The present invention relates to a method for producing a high-strength and high-thermal-conductivity additively-manufactured body of an iron-based alloy with a laser-powder bed fusion, the method including: using an iron-based alloy powder having a Ms point of higher than 220° C., a C content of 0.40 mass % or less, a Cr content of 7 mass % or less, and a Fe content of 90 mass % or more; and performing manufacturing at a laser power P (W), a scanning speed v (mm/s), and a laser spot diameter σ (mm) at which an energy density per area EA is 3 J/mm2 or more when the energy density per area EA is defined as EA=P/(v·σ).
Provided is a magnetic wire material containing an alloy containing 40 mass % or more and 50 mass % or less of Ni, with the balance being Fe and unavoidable impurities, in which in a cross section of the wire material along an axial direction thereof, a proportion of a crystal structure in which an angle difference between the axial direction and a <111> direction is 10° or less is 20% or more.
C21D 9/52 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for wiresHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for strips
C22C 19/03 - Alloys based on nickel or cobalt based on nickel
C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
C22C 38/08 - Ferrous alloys, e.g. steel alloys containing nickel
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
The present invention relates to a negative electrode material powder for a lithium ion battery, which contains a Si-containing granulated body that contains a Si-based powder and a carbon material, wherein: the average primary particle diameter of the Si-based powder is 0.1 μm or more; the average secondary particle diameter of the Si-containing granulated body is 2 μm or more; the surface of the Si-based powder is covered with the carbon material and the Si-based powder is bonded with the carbon material; and the value represented by the formula (58.1 × average primary particle diameter (μm) + 5.6 × carbon amount (mass%)) of the Si-based powder is more than 15.
The present invention relates to a ferritic stainless steel containing: C≤0.03 mass %; Si≤0.05 mass %; 0.30 mass %≤Mn≤1.00 mass %; P≤0.05 mass %; S≤0.05 mass %; Cu≤0.10 mass %; 20.0 mass %≤Cr≤25.0 mass %; V≤0.10 mass %; Co≤0.10 mass %; Al≤0.10 mass %; 0.01 mass %≤Ti≤0.30 mass %; N≤0.03 mass %; 0.05 mass %≤La≤0.30 mass %; and Ni≤2.00 mass %; and at least one selected from the group consisting of 0.10 mass %≤W≤2.00 mass % and 0.10 mass %≤Mo≤2.00 mass %, with a balance being Fe and unavoidable impurities.
06 - Common metals and ores; objects made of metal
Goods & Services
Iron and steel; Alloys of common metal; Welding wire; Rods of metal for welding; Metal wire for laminated object modeling; Metal wire for additive manufacturing
06 - Common metals and ores; objects made of metal
Goods & Services
Iron and steel; Alloys of common metal; Welding wire; Rods of metal for welding; Metal wire for laminated object modeling; Metal wire for additive manufacturing
The present invention relates to a rare-earth bonded magnet compound, the compound including: a rare-earth magnet powder that includes a coarse powder and a fine powder; and a resin binder, in which the rare-earth bonded magnet compound is obtained by kneading the rare-earth magnet powder and the resin binder, the rare-earth magnet powder is obtained by mixing the coarse powder and the fine powder, the coarse powder has a D50 of 240 μm or more and less than 380 μm, the fine powder has a D50 of 35 μm or less, and the rare-earth magnet powder has a D90/D10, which is a ratio of D90 to D10 in a particle size distribution of the entire rare-earth magnet powder, of 28 or more and 37 or less.
H01F 1/059 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
B22F 1/052 - Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
B22F 3/22 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor for producing castings from a slip
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
12.
AUSTENITIC STAINLESS STEEL AND HYDROGEN RESISTANT MEMBER
The present invention relates to an austenitic stainless steel, consisting of: C≤0.10 mass %, Si≤0.50 mass %, 3.0 mass %≤Mn≤8.0 mass %, P≤0.30 mass %, S≤0.30 mass %, 7.0 mass %≤Ni≤12.0 mass %, 18.0 mass %≤Cr ≤28.0 mass %, 1.0 mass %≤Mo≤3.0 mass %, 0.03 mass %≤V≤0.50 mass %, 0.0003 mass %≤B≤0.0300 mass %, 0.0001 mass %≤Ca≤0.0300 mass %, 0.35 mass %≤N≤0.80 mass %, and 0.001 mass %≤Co≤1.00 mass %, and optionally, W≤2.0 mass %, Zr≤0.20 mass %, and Ta≤0.50 mass %, with a balance being Fe and unavoidable impurities, and having a number density of coarse alloy carbonitrides of 3×105 pieces/mm2 or less.
The present invention relates to a lithium ion battery negative electrode active material that includes an Si phase, an Si—Zr compound phase, an Si—X compound phase, and an Sn—Cu compound phase, X being at least one element selected from the group that consists of Fe, Ni, Co, Mn, Ti, V, and Cr, the Sn—Cu compound phase fraction of the whole being 0.1-18 mass %, and the Si phase fraction being 10-90 mass %.
The present invention relates to a ferritic free-cutting stainless steel consisting of: C≤0.02 mass %, Si≤0.50 mass %, 0.20≤Mn≤1.00 mass %, P≤0.05 mass %, 0.20≤S≤0.70 mass %, Cu≤1.5 mass %, Ni≤1.5 mass %, 10.0≤Cr≤20.0 mass %, Mo≤2.0 mass %, 0.30≤Al≤1.00 mass % O≤0.010 mass %, N≤0.030 mass %, and optionally at least one selected from the group consisting of: B≤0.0100 mass %, Mg≤0.0100 mass %, and Ca≤0.0100 mass %, with a balance being Fe and unavoidable impurities, in which the following three expressions are satisfied: ([Cr]+[Mo]+1.5[Si]+4[Al])/([Ni]+0.5[Mn]+30[C]+30[N])≥7, 900([C]+[N])+170[Si]+450[P]+12[Cr]+30[Mo]+10[Al]≤300, and 0.285≤[Mn]/[S]≤1.5, where [X] represents a content (mass %) of an element X.
C21D 9/52 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for wiresHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for strips
The present invention relates to an electrode material for lithium ion battery, containing: a graphite powder; and a Si alloy composite powder, in which the Si alloy composite powder has an average particle diameter of 5 μm or less and contains Si particles, Si—X compound particles (X=Fe, Ni, Cr, Co, Mn, Zr, or Ti), and at least one of Sn—Y compound particles and Al—Y compound particles (Y=Cu, Fe, Ni, Cr, Co, Mn, Zr, or Ti), a proportion of the Si particles in the Si alloy composite powder is 30 mass % to 95 mass %, and a coverage of the Si alloy composite powder on a surface of graphite particles is 5% or more.
H01B 1/04 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of carbon-silicon compounds, carbon, or silicon
The present invention relates to a method for producing an RFeB-based magnet, the method including: a base material preparation step of preparing a base material made of a sintered body of an RFeB-based alloy or a hot-deformed body of the RFeB-based alloy; an adhesion substance preparation step of preparing an adhesion substance containing an RHdCu alloy that includes Cu and a heavy rare earth element RHd to be diffused and that has a content of Cu of 20 mass % or more and 40 mass % or less; an adhesion step of adhering the adhesion substance to a surface of the base material; and a heating step of heating the base material to which the adhesion substance has been adhered to a predetermined temperature at which the heavy rare earth element RHd to be diffused is diffused into the base material through a grain boundary of the base material.
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
The present invention relates to a steel material including: 0.23 mass %≤C≤0.39 mass %; 0.03 mass %≤V≤0.30 mass %; 6.60 mass %≤Mn+Cr≤7.40 mass %; Mn/Cr≤0.150; Mn≥0.60 mass %; Cr≤6.60 mass %; Cu+Ni≤0.84 mass %; 0.01 mass %≤Si≤0.40 mass %; 2.00 mass %≤Mo≤3.50 mass %; 0.001 mass %≤Al≤0.080 mass %; and 0.003 mass %≤N≤0.040 mass %, with the balance being Fe and unavoidable impurities.
The present invention relates to a melting equipment including: two direct-current arc furnaces each including two or more graphite electrodes; a power supply unit including four or more power supply devices; a connection switching unit configured to selectively connect each of the power supply devices to each of the direct-current arc furnaces; and a power supply control unit configured to control power supply from each of the power supply devices to each of the direct-current arc furnaces, in which power supply to only any one of the two direct-current arc furnaces and simultaneous power supply to both direct-current arc furnaces are selectable, and during the simultaneous power supply, power is supplied exceeding 50% of capacities of all the power supply devices to any one of the direct-current arc furnaces.
F27B 3/08 - Hearth-type furnaces, e.g. of reverberatory typeElectric arc furnaces heated electrically, e.g. electric arc furnaces, with or without any other source of heat
The present invention relates to a negative electrode material powder for a lithium ion battery, the negative electrode material powder containing Si, Sn, element X (X=Fe, Ni, Cr, Zr, and Ti), and element Y (Y=Cu, Fe, Ni, Cr, Co, Mn, Zr, and Ti), and including a Si phase, a SiX compound phase, and a SnY compound phase which are independently present in a state of being separated from each other with a phase ratio represented by a[Si]-b[SiX]-c[SnY] (a+b+c=100, 10≤a≤95, 1≤b≤90, and 0.07≤c≤50), wherein average particle diameters mdSi, mdSiX, and mdSnY in the respective phases all fall within the range of 0.1-50 μm, and the proportions of mdSi/mdSiX and mdSi/mdSnY all fall within the range of 0.1-5.0.
The present invention relates to a resistor including a Ni-based alloy that consists of 15.0 mass %≤Cr≤25.0 mass %, 1.0 mass %≤Al≤4.0 mass %, 1.0 mass %≤Cu≤3.0 mass %, 0 mass %≤Si≤1.5 mass %, and 0 mass %≤Mn≤1.5 mass %, with the balance being Ni and inevitable impurities, in which the resistor has a Vickers hardness at 20° C. of 160 Hv or more and 230 Hv or less, a volume resistivity at 20° C. of 125 μΩ·cm or more and 150 μΩ·cm or less, and a temperature coefficient of resistance at 20° C. to 155° C. of −50 ppm/° C. or more and 10 ppm/° C. or less, and relates to a manufacturing method thereof.
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
21.
LITHIUM-ION BATTERY NEGATIVE ELECTRODE ACTIVE MATERIAL
The present invention relates to a lithium-ion battery negative electrode active material that is a Si-based granulated body in which a Si-based powder and an electroconductive material are bonded using a binder, the Si-based powder containing a Si phase, and the Si-based granulated body having a carbon coating on a surface thereof.
The present invention relates to a soft magnetic material including: in tens of mass %, 47%≤Ni≤49%; 0.4%≤Mn≤0.7%; 0.1%≤Si≤0.3%; and 0.01%≤Al≤0.04%, with the balance being Fe and unavoidable impurities, in which a region having a crystal orientation within 10° from a <100> orientation occupies 20% or more on a surface of the soft magnetic material.
C22C 38/08 - Ferrous alloys, e.g. steel alloys containing nickel
C21D 8/12 - Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
23.
MARTENSITIC STAINLESS STEEL FOR HYDROGEN GAS ENVIRONMENT AND MANUFACTURING METHOD THEREFOR
Disclosed is a martensitic stainless steel for a hydrogen gas environment, having a composition consisting of: 0.02 mass %≤C≤0.30 mass %, Si≤1.50 mass %, Mn≤1.50 mass %, P≤0.150 mass %, S≤0.150 mass %, 8.0 mass %≤Cr≤22.0 mass %, 1.0 mass %≤Ni≤6.0 mass %, 0.01 mass %≤Nb≤1.0 mass %, and N≤0.12 mass %, and optionally at least one selected from the group consisting of: Cu≤6.00 mass %, Mo≤3.00 mass %, V≤1.50 mass %, and B≤0.0500 mass %, with the balance being Fe and inevitable impurities; having: a crystal grain size number of prior austenite grains of 2.0 or more, an amount of retained austenite of 40 vol % or less, a tensile strength of 1,500 MPa or less, and satisfying DH2(0.7)/Dair≥0.8.
C21D 9/52 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for wiresHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for strips
C21D 1/18 - HardeningQuenching with or without subsequent tempering
The present invention relates to an austenitic stainless steel for high-pressure hydrogen gas or liquid hydrogen, having a composition consisting of: C≤0.20 mass %, 0.10 mass %≤ Si≤1.00 mass %, 0.10 mass %≤Mn≤2.0 mass %, P≤0.050 mass %, S≤0.050 mass %, 2.0 mass %≤Cu<4.0 mass %, 8.0 mass %≤ Ni≤11.5 mass %, 17.0 mass %
The purpose of the present invention is to provide a high strength bolt having excellent quenching crack resistance and fatigue characteristics. The present invention is capable of providing a high strength bolt which has a tempered martensite structure, has a composition containing 0.36-0.45 mass% of carbon (C), 1.75-2.00 mass% of silicon (Si), 0.90-1.30 mass% of chromium (Cr), 0.15-0.50 mass% of manganese (Mn) and 1.50-2.00 mass% of molybdenum (Mo) and containing a total of 0.015 mass% or less of phosphorus (P) and sulfur (S) as impurities, with the remainder comprising iron (Fe) and unavoidable impurities, and in which the areal percentage of ferrite is 3.00% or less in a region up to 100 μm in the depth direction from a surface of a thread part.
The present invention relates to a steel material containing: 0.19 mass %≤C≤0.31 mass %; 0.010 mass %≤V≤0.180 mass %; Mn≤1.50 mass %; 5.60 mass %≤Cr≤6.60 mass %; Cu+Ni≤0.84 mass %; 0.60 mass %≤Si≤1.40 mass %; 0.60 mass %≤Mo≤2.00 mass %; 0.001 mass %≤Al≤0.080 mass %; and 0.003 mass %≤N≤0.040 mass %, with a balance being Fe and unavoidable impurities, in which the contents of Mn and Cr satisfy Mn/Cr>0.150.
An electromagnetic wave absorber evaluation apparatus including: a housing in which the electromagnetic wave absorber is allowed to be arranged, the housing being made of a conductive material with inner dimensions of a width a, a height b, and a length L, as b
Disclosed is a martensitic stainless steel material for a hydrogen gas environment, having a composition consisting of: 0.03 mass %≤C≤1.20 mass %, Si≤1.00 mass %, Mn≤1.50 mass %, P≤0.060 mass %, S≤0.250 mass %, Cu≤0.50 mass %, 8.0 mass %≤Cr≤22.0 mass %, Ni≤1.00 mass %, and N≤0.40 mass %, and optionally at least one selected from the group consisting of: Mo≤3.00 mass %, V≤1.50 mass %, Nb≤1.00 mass %, Pb≤0.30 mass %, and B≤0.0500 mass %, with the balance being Fe and inevitable impurities; having: a content of a precipitate of 1.50 mass % or more, a crystal grain size number of prior austenite grains of 2.0 or more, a metal structure including a martensite structure, a tensile strength of 1,800 MPa or less, and satisfying DH2(0.7)/Dair≥0.8.
The present invention relates to a steel material for carbonitriding treatment, containing: C, Si, Mn, P, S, Cu, Ni, Cr, Mo, Al, and N with a balance being Fe and inevitable impurities, satisfying Expression 1 of 0.6 to 1.4 and Expression 2 of >560 when subjected to carbonitriding, Expression 1: Surface C concentration (mass %)+12/14×Surface N concentration (mass %), and Expression 2: 129.7805×[Cr (mass %)]−76.9797×[Cr (mass %)]2+339.3375×[Surface N concentration (mass %)]−539.345×[Surface N concentration (mass %)]2+181.4983×[Cr (mass %)]×[Surface N concentration (mass %)]+437.6799, and providing a carbonitrided steel material having a hardness of 560 HV or more at a portion from a surface thereof to a depth of 0.05 mm when subjected to a tempering treatment at 500° C. after the carbonitriding.
The present invention relates to a nanocrystalline soft magnetic material in which Fe—Si crystal grains having an average grain diameter of 20 nm or less are dispersed in an amorphous matrix phase, the nanocrystalline soft magnetic material including: an alloy composition including, in terms of at %, Si: 14.0% to 18.0%, B: 6.0% to 10.0%, Nb: 1.0% to 5.0%, Cu: 0.5% to 1.5%, and C: more than 0.40% to 1.0%, with the balance being Fe and unavoidable impurities, in which the nanocrystalline soft magnetic material has a coercive force Hc of 1.0 A/m or less and a saturation magnetic flux density Bs of larger than 1.0 T.
The present invention addresses the problem of providing an electromagnetic wave-absorbing composition comprising a thermoplastic resin or a thermoplastic elastomer, wherein the composition has electromagnetic wave-absorbing capability and can suppress an increased fluidity during heating. This electromagnetic wave-absorbing composition is characterized by comprising component (A) that is at least one compound selected from thermoplastic resins and thermoplastic elastomers and component (B) that is Fe-Cr-Si soft magnetic metal powder at a mass ratio (component (A)/component (B)) in the range of 5/95-80/20, further comprising component (C) that is at least one compound selected from phosphite compounds and phosphate compounds at an amount of 0.02-1.4 parts by mass relative to 100 parts by mass of the total of said components (A) and (B), and having an electromagnetic wave absorption energy P at 79 GHz of 5 kW/m3 or more.
C08L 101/00 - Compositions of unspecified macromolecular compounds
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 1/052 - Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
The present invention relates to a negative electrode material powder for a lithium-ion battery, the negative electrode material powder comprising a Si-containing granulated body that includes a Si phase, a Si compound phase, and a Sn compound phase, of which the primary particles are aggregated, and arbitrarily and selectively contains a binder within the range of 0-2.0 mass%. The average grain diameter (d50) of the primary particles forming the Si-containing granulated body is within the range of 0.1-10.0 μm. The average grain diameter (d50) of the primary particles is less than 1/3 of, and greater than 1/200 of, the average grain diameter (d50) of the Si-containing granulated body.
H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 1/052 - Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
The present invention relates to a ferritic free-cutting stainless steel material having a component composition contains: in terms of mass %, 10.0%≤Cr≤25.0%, 0.2%≤Mn≤2.0%, 0.30%≤Al≤2.50%, 0.02%≤Si≤0.60%, and 0.10%≤S≤0.45%, and further two or more selected from the group consisting of: 0.03%≤Pb≤0.40%, 0.03%≤Bi≤0.40%, and 0.01%≤Te≤0.10%, with a balance being Fe and unavoidable impurities. The component composition satisfies: 900([C]+[N])+170[Si]+12[Cr]+30[Mo]+10[Al]≤300, and ([Cr]+[Mo]+1.5[Si]+4[Al])/([Ni]+0.5[Mn]+30[C]+30[N])≥7. The ferritic free-cutting stainless steel material contains sulfides having a circle equivalent diameter of 1.5 μm or more, and the sulfides have an average circle equivalent diameter of 3.0 to 15.0 μm, an average aspect ratio of 2.5 or less, and an area ratio of 0.5 to 2.0%, and the maximum value of Vickers hardness of 170 HV or less.
C21D 8/06 - Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
C21D 9/52 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for wiresHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for strips
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
The present invention relates to a steel material including: 0.25 mass %≤C≤0.37 mass %; 0.08 mass %≤V≤0.28 mass %; 6.60 mass %≤Mn+Cr≤7.40 mass %; Mn/Cr≤0.150; Mn≥0.60 mass %; Cr≤6.60 mass %; Cu+Ni≤0.84 mass %; 0.40 mass %≤Si≤0.90 mass %; 0.60 mass %≤Mo≤2.00 mass %; 0.001 mass %≤Al≤0.080 mass %; and 0.003 mass %≤N≤0.040 mass %, with the balance being Fe and unavoidable impurities.
A Si alloy powder including: a Si phase; a SiX compound phase; and at least one selected from the group consisting of a SnY compound phase and a AlY compound phase, in which the element X comprises at least one element selected from the group consisting of Fe, Ni, Cr, Co, Mn, Zr, and Ti, the Si alloy powder has an average particle diameter of 50 μm or less, and an amount of the Si phase in an entire Si alloy is 30 mass % to 95 mass %.
The present invention relates to a negative electrode active material which contains Si particles, first particles and second particles, wherein: the volume expansion ratio of the first particles due to Li absorption is 0-80%; and the volume expansion ratio of the second particles due to Li absorption is 100-300%.
A Si alloy powder for a negative electrode, the Si alloy powder including: a Si phase; a SiX compound phase; and at least one selected from the group consisting of a SnY compound phase and a AlY compound phase, in which the element Y in the SnY compound phase and the AlY compound phase includes at least one element selected from the group consisting of Cu, Fe, Ni, Cr, Co, Mn, Zr, and Ti, the Si alloy powder has an average particle diameter of 30 μm or less, and an amount of the Si phase in an entire Si alloy is 30 mass % to 95 mass %.
H01B 1/04 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of carbon-silicon compounds, carbon, or silicon
Provided is a ferrite-based stainless steel welding wire that has excellent oxidation resistance properties and high temperature strength. This ferrite-based stainless steel welding wire has a composition containing, in mass %, 0.001-0.050% of C, 0.01-2.00% of Si, 0.01-1.50% of Mn, 0.030% or less of P, 0.010% or less of S, 16.0-25.0% of Cr, 0.001-0.150% of Ti, 0.020% or less of O, and 0.05% or less of N, further containing at least one selected from 0.01-1.80% of Nb, 0.01-3.60% of Mo, and 0.01-3.60% of W, and satisfying formulae (1), (2), and (3), with a balance being Fe and unavoidable impurities. Formula (1): [Nb]+[Mo]+[W]+0.25[Si]≥2.2, formula (2): [Mo]+[W]≤3.6, formula (3): [Ti]+[Al]≤0.15, where [ ] in the formulae represents the content in mass % of the element indicated in [ ].
The present invention relates to a welding wire including a solid wire of metal that has a tensile strength of 800 MPa or more, in which the welding wire has a cast of 300 mm or more and a helix of 20.0 mm or less. The welding wire may include a coating layer including Cu or a Cu alloy on an outer periphery of the solid wire.
B23K 35/02 - Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
B23K 35/30 - Selection of soldering or welding materials proper with the principal constituent melting at less than 1550°C
B23K 35/22 - Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
44.
WIRE ROD FOR FORMING MOLTEN METAL, AND WELDING PRODUCT
This wire rod for forming a molten metal is composed of Ti, or a Ti alloy, has an oxygen-enriched layer on a surface thereof, and contains a metal compound having at least one metal selected from the group consisting of an alkali metal and an alkaline earth metal such that the total mass of the alkali metal and/or alkaline earth metal is set to 0.002-0.050 mass % with respect to the total mass of the wire rod. Cracks filled with the metal compound are formed on the surface, and the area proportion of the cracks is 4-25%.
The present invention relates to a ferritic stainless steel welding wire, including, in terms of mass %: C: ≤0.050%; Si: ≤1.00%; Mn: 2.50% to 5.00%; P: ≤0.040%; S: ≤0.010%; Cu: ≤0.50%; Ni: 0.01% to 1.00%; Cr: 12.0% to 20.0%; Mo: ≤0.50%; Ti: 0.20% to 2.00%; Nb: 0.10% to 0.80%; Al: 0.020% to 0.200%; Mg: ≤0.020%; O: ≤0.020%; and N: 0.001% to 0.050%, with the balance being Fe and unavoidable impurities, and having a Ni equivalent represented by Equation (1) of 1.0 to 3.0, Ni equivalent=[Ni]+0.5×[Mn]+30×[C]+30×([N]−0.06) Equation (1), in Equation (1), [X] represents a content (mass %) of an element X, and relates to a welded part.
The present invention relates to a non-magnetic austenitic stainless steel material having a component composition containing, in terms of mass percent, C: <0.10%, Si: <0.3%, Mn: more than 4.5% to less than 10.0%, P: <0.05%, S: <0.0020%, Ni: 9.0% to 15.0%, Cr: 17.0% to 25.0%, Mo: 3.0% to 7.0%, and N: 0.3% to 0.6%, with the balance being Fe and unavoidable impurities; satisfying (40[N]+1.2[Cr]+0.07exp(0.3[Ni]+0.3[Cu]))×1.5[Mo]{circumflex over ( )}(−0.18)≤60, in which [M] represents a content of an element M in terms of mass %; having an austenite single phase structure; having a critical pitting temperature of 50° C. or higher; and having a 0.2% proof stress of 970 MPa or more.
C22C 38/42 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
C22C 38/44 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
C22C 38/46 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
C22C 38/48 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
C22C 38/50 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
C22C 38/52 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
C22C 38/54 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
C21D 9/08 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for tubular bodies or pipes
The present invention relates to a steel for a mold including: on % by mass basis, 0.55%≤C≤0.70%; 0.30%≤Si≤0.60%; 0.55%≤Mn≤1.2%; 5.7%≤Cr≤6.9%; 1.2%≤Mo+W/2≤1.6%; 0.55%≤V≤0.79%; and 0.005%≤N≤0.1%, with the remainder being Fe and inevitable impurities including, Al≤0.020%, Ni≤0.20%, S≤0.0015%, and Cu≤0.10%, and satisfying P1≥24 and 4.9≤P2≤7.3, P1 and P2 being a value obtained based on the following formula (1) and (2), respectively, P1=45−13.6[Si]−7.0([Mo]+[W]/2)−12.9[Ni] (1), P2=7.4[V]+15.8[N]+38.6[Al] (2) in which [M] represents a content of an element M in % by mass basis, and relates to a mold including the steel for a mold.
C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
C22C 38/42 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
C22C 38/44 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
C22C 38/46 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
C22C 38/48 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
C22C 38/52 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
49.
SOFT MAGNETIC MEMBER AND INTERMEDIATE THEREFOR, METHODS RESPECTIVELY FOR PRODUCING SAID MEMBER AND SAID INTERMEDIATE, AND ALLOY FOR SOFT MAGNETIC MEMBER
An alloy for an Fe—Co-based soft-magnetic member, includes an alloy composition including, in terms of mass %, from 5.00% to 25.00% of Co, from 0.10% to 2.00% of Si, and from 0.10% to 2.00% of Al, provided that a total content of Si and Al is from 1.00% to 3.00%, with the balance being Fe and unavoidable impurities.
C22C 38/10 - Ferrous alloys, e.g. steel alloys containing cobalt
C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
H01F 1/147 - Alloys characterised by their composition
C21D 9/46 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for sheet metals
H01F 1/16 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets
C21D 8/02 - Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
50.
Austenitic stainless steel and hydrogen resistant member
The present invention relates to a motor core production method including: a preparation step of preparing a laminate of electromagnetic steel sheets each processed into a predetermined shape; a first heating step of heating the laminate at an atmospheric temperature of 500° C. to 800° C. in an atmospheric gas comprising at least one kind selected from the group consisting of a low oxidizing gas and a reducing gas, and having a dew point of −20° C. or lower; and a second heating step of soaking the laminate at 1,000° C. to 1,200° C. in a vacuum of 100 Pa or less after the first heating step, and a heat treatment device for performing the production method.
C21D 9/52 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for wiresHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for strips
C22C 38/34 - Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
C22C 38/52 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
C22C 38/50 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
C22C 38/48 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
C22C 38/44 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
C22C 38/42 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
The present invention relates to a steel material containing, in terms of mass %: 0.30%≤C≤0.45%, 0.10%≤Si≤1.00%, 0.60%≤Mn≤1.20%, 0.20%≤Cr≤0.70%, 0.30%≤V≤0.47%, Ti≤0.015%, P≤0.100%, and S≤0.080%, with the balance being Fe and inevitable impurities, and has a P0 value defined by P0=P0′×V/P1, satisfying P0≥0.30, here, P0′=Mn+0.49Cu+0.89Ni+0.40Cr−0.30Si, and P1=C+0.07Si+0.16Mn+0.61P+0.19Cu+0.17Ni+0.2Cr+V, in the formulae, each element symbol indicates a content of each element in units of mass %.
A seal member includes a γ′ precipitation-hardening alloy, in which the γ′ precipitation-hardening alloy has a component composition of, in mass %: Ni: from 40 to 62%; Cr: from 13 to 20%; Ti: from 1.5 to 2.8%; Al: from 1.0 to 2.0% (provided that Ti/Al: 2.0 or less); Nb: 2.0% or less; Ta: 2.0% or less (provided that Nb+Ta: from 0.2 to 2.0%); B: from 0.001 to 0.010%; W: 3.0% or less; and Mo: 2.0% or less (provided that Mo+(1/2)W: from 1.0 to 2.5%), and optionally, C: 0.08% or less; Si: 1.0% or less; Mn: 1.0% or less; P: 0.02% or less; and S: 0.01% or less, with the balance being Fe and inevitable impurities, and in which the seal member has a hardness of 250 Hv or more, and includes a cold-rolled microstructure obtained by a cold rolling.
The present invention relates to a Fe-based alloy for melt-solidification-shaping containing: 0.05 mass %≤C≤0.25 mass %, 0.01 mass %≤Si≤2.0 mass %, 0.05 mass %≤Mn≤2.5 mass %, 2.5 mass %≤Ni≤9.0 mass %, 0.1 mass %≤Cr≤8.0 mass %, and 0.005 mass %≤N≤0.200 mass %, with the balance being Fe and unavoidable impurities, and satisfying: 11.5<15C+Mn+0.5Cr+Ni<20.
An Fe-based alloy for melting-solidification shaping including, in mass %: 18.0≤Co<25.0; 12.0≤Mo+W/2≤20.0; 0.2≤Mn≤5.0; 0.5≤Ni≤10.0; and 0≤Si≤1.0, with the balance being Fe and unavoidable impurities, and satisfying the following expressions (1) and (2) when [M] represents a content of an element M expressed in mass % basis, 58≤[Co]+3([Mo]+[W]/2)≤95 (1), A/B≥1.6 (2) where A=[Co]+[Ni]+3[Mn], and B=[Mo]+[W]/2+[Si], in which when the Fe-based alloy includes no Mo, the expressions (1) and (2) are calculated using [Mo]=0, when the Fe-based alloy includes no Si, the expression (2) is calculated using [Si]=0, and when the Fe-based alloy includes no W, the expressions (1) and (2) are calculated using [W]=0.
The present invention pertains to an electrode material for lithium-ion batteries, in which: graphite powder and an Si alloy composite powder are mixed; the Si alloy composite powder has an average particle diameter of 5 μm or less, and contains Si particles, Si-X compound particles (X=Fe, Ni, Cr, Co, Mn, Zr, Ti), and at least one of Sn-Y compound particles (Y=Cu, Fe, Ni, Cr, Co, Mn, Zr, Ti) and Al-Y compound particles; the proportion of the Si particles in the Si alloy composite powder is 30-95 mass%; and, the coverage of the surface of the graphite particles by the Si alloy composite powder is 5% or greater.
The present invention relates to a negative electrode material powder for a lithium ion battery, the negative electrode material powder containing Si, Sn, element X (X=Fe, Ni, Cr, Zr, and Ti), and element Y (Y=Cu, Fe, Ni, Cr, Co, Mn, Zr, and Ti), and including a Si phase, a SiX compound phase, and a SnY compound phase which are independently present in a state of being separated from each other with a phase ratio represented by a[Si]-b[SiX]-c[SnY] (a+b+c=100, 10≤a≤95, 1≤b≤90, and 0.07≤c≤50), wherein average particle diameters mdSi, mdSiX, and mdSnY in the respective phases all fall within the range of 0.1-50 μm, and the proportions of mdSi/mdSiX and mdSi/mdSnY all fall within the range of 0.1-5.0.
The present invention relates to a Co-based alloy product including a polycrystal of a Co-based alloy, the Co-based alloy including: 0.001 mass %≤C<0.100 mass %; 9.0 mass %≤Cr<20.0 mass %; 2.0 mass %≤Al<5.0 mass %; 13.0 mass %≤W<20.0 mass %; and 39.0 mass %≤Ni<55.0 mass %, with the balance being Co and unavoidable impurities, in which the Co-based alloy product comprises segregated cells formed inside a crystal grain of the polycrystal, the segregated cells have an average size of 1 μm or larger and 100 μm or smaller, and the segregated cells contain Al and Cr, and a method for producing the Co-based alloy product.
The present invention relates to a hard particle powder for a sintered body, the powder including, in terms of mass %, 0.01≤C≤1.0, 2.5≤Si≤3.3, 0.1≤Ni≤20.0, 5.0≤Cr≤15.0, and 35.0≤Mo≤45.0, with the balance being Fe and inevitable impurities, in which the powder before performing sintering comprises an alloy phase comprising a hexagonal crystal structure of C14 type Laves phase.
B22F 1/052 - Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
C22C 30/00 - Alloys containing less than 50% by weight of each constituent
The present invention relates to a lithium ion battery negative electrode active material that includes an Si phase, an Si-Zr compound phase, an Si-X compound phase, and an Sn-Cu compound phase, X being at least one element selected from the group that consists of Fe, Ni, Co, Mn, Ti, V, and Cr, the Sn-Cu compound phase fraction of the whole being 0.1–18 mass%, and the Si phase fraction being 10–90 mass%.
A powder material includes metal particles including an iron alloy and having an average particle diameter of 10 μm or larger and 500 μm or smaller, and nanoparticles including a metal or a metal compound and having undergone no surface treatment with an organic substance.
C21D 9/00 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
The present invention relates to a steel material including, in mass %: 0.310≤C≤0.410; 0.001≤Si≤0.35; 0.45≤V≤0.70; Cr≤6.00; 6.25≤Mn+Cr; Mn/Cr≤0.155; Cu+Ni≤0.84; 0.002≤P≤0.030; 0.0003≤S≤0.0060; P+5S≤0.040; 2.03
In the present invention, through use of a steel material for carbonitriding containing C, Si, Mn, P, S, Cu, Ni, Cr, Mo, Al, and N, the remainder comprising Fe and unavoidable impurities, and whereby, by carbonitriding of the steel material, a carbonitrided steel material is obtained that satisfies the expression "surface C concentration (mass%) + 12/14 × surface N concentration (mass%) = 0.6 to 1.4" and satisfies the expression "129.7805 × [Cr (mass%)] – 76.9797 × [Cr (mass%)]2+ 339.3375 × [surface N concentration (mass%)] – 539.345 × [surface N concentration (mass%)]2 + 181.4983 × [Cr (mass%)] × [surface N concentration (mass%)] + 437.6799 > 560," and in which the hardness in the portion extending to a depth of 0.05 mm from the surface is 560 HV or greater when the steel material is tempered at 500°C after the carbonitriding, it is possible to provide a steel material for carbonitriding that has high surface fatigue strength and adequately high high-temperature temper hardness, and a carbonitrided steel material that is obtained by carbonitriding the same.
A powder material includes: an atomized powder of an Ni-based alloy containing inclusions, in which a number of particles of the contained inclusions is 100 particles or less per 10,000 particles of the atomized powder. The Ni-based alloy may include at least one additive element selected from Al, Ti and Nb, and the inclusions include at least one of oxide and carbonitride of the additive element.
This untempered steel for crankshafts is mainly iron (Fe) but contains 0.37–0.43 mass% of carbon (C), 0.15–0.35 mass% of silicon (Si), 0.90–1.30 mass% of manganese (Mn), 0.08–0.15 mass% of vanadium (V), no more than 0.030 mass% of phosphorus (P), no more than 0.300 mass% of copper (Cu), no more than 0.30 mass% of nickel (Ni), and no more than 0.35 mass% of chromium (Cr). The untempered steel also contains 0.010–0.035 mass% and 0.02–0.05 mass%, respectively, of the machinability-improving elements sulfur (S) and bismuth (Bi) and, as a result, has high fatigue strength and yield strength and excellent machinability.
The present invention relates to a powder material including metal particles, in which in a mass basis cumulative particle size distribution, the metal particles have a 10% particle diameter d10 of less than 16 μm and a 90% particle diameter d90 of more than 35 μm and when a specific energy obtained as a value yielded by dividing a flow energy measured as an energy acting on a blade spiraling upward in the powder material by a mass of the powder material is normalized with a bulk density of the powder material, a resulting value is less than 0.47 mJ·ml/g2 and relates to a producing method for the same.
B22F 1/052 - Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
73.
WIRE ROD FOR FORMING MOLTEN METAL, AND WELDING PRODUCT
This wire rod for forming a molten metal is composed of Ti, or a Ti alloy, has an oxygen-enriched layer on a surface thereof, and contains a metal compound having at least one metal selected from the group consisting of an alkali metal and an alkaline earth metal such that the total mass of the alkali metal and/or alkaline earth metal is set to 0.002-0.050 mass% with respect to the total mass of the wire rod. Cracks filled with the metal compound are formed on the surface, and the area proportion of the cracks is 4-25%.
Provided is a ferrite-based stainless steel welding wire that has excellent oxidation resistance properties and high temperature strength. This ferrite-based stainless steel welding wire has a compositional makeup containing, in mass%, 0.001-0.050% of C, 0.01-2.00% of Si, 0.01-1.50% of Mn, not more than 0.030% of P, not more than 0.010% of S, 16.0-25.0% of Cr, 0.001-0.150% of Ti, not more than 0.020% of O, and not more than 0.05% of N, further containing at least one selected from 0.01-1.80% of Nb, 0.01-3.60% of Mo, and 0.01-3.60% of W, and satisfying formula (1), formula (2), and formula (3), the remaining portion being Fe and unavoidable impurities. Formula (1): [Nb]+[Mo]+[W]+0.25[Si] ≥2.2, formula (2): [Mo]+[W]≤3.6, formula (3): [Ti]+[Al]≤0.15, wherein each [ ] in the formulae represents the contained mass% of the element indicated in [ ].
The present invention relates to a steel for a mold, including 0.070≤C≤0.130 mass %, 0.01≤Si≤0.60 mass %, 0.02≤Mn≤0.60 mass %, 0.003≤P≤0.150 mass %, 0.005≤Cu≤1.50 mass %, 0.005≤Ni≤0.80 mass %, 7.50≤Cr≤8.40 mass %, 0.70≤Mo≤1.20 mass %, 0.01≤V≤0.30 mass %, 0.010≤Al≤0.120 mass %, and 0.015≤N≤0.095 mass %, with the balance being Fe and unavoidable impurities. The steel for a mold according to the present invention satisfies all of 6 properties of SA property, tempering hardness, residual stress, machinability, impact value and corrosion resistance.
A high surface-pressure resistant component includes a steel having a composition containing, in mass %, 0.17-0.23% of C, 0.80-1.00% of Si, 0.65-1.00% of Mn, 0.030% or less of P, 0.030% or less of S, 0.01-1.00% of Cu, 0.01-3.00% of Ni, and 0.80-1.00% of Cr, with the remainder being Fe and unavoidable impurities, in which the surface layer C concentration of a carburized and quenched layer is 0.70-0.80% in mass %.
06 - Common metals and ores; objects made of metal
Goods & Services
Iron and steel; unwrought or semi-wrought high speed tool steel in the form of bars, blocks, plates
81.
SOFT MAGNETIC MEMBER AND INTERMEDIATE THEREOF, METHODS RESPECTIVELY FOR PRODUCING SAID MEMBER AND SAID INTERMEDIATE, AND ALLOY FOR SOFT MAGNETIC MEMBER
A soft magnetic member according to the present invention is characterized by having an alloy composition comprising, in % by mass, 5.00 to 25.00% of Co, 0.10 to 2.00% of Si, 0.10 to 2.00% of Al (wherein the total amount of Si and Al is 1.00 to 3.00%), and a remainder made up by Fe and unavoidable impurities, and having an average crystal grain diameter of 40 μm or more and a core loss of 150 W/kg of less at 1.5 T and 1 kHz. The soft magnetic member can be manufactured by recrystallization induced by a working strain introduced by a cold working and a thermal treatment of the working strain. The present invention can provide: an alloy for an Fe-Co-based soft magnetic member, in which the amount of Co to be added to Fe is controlled and another element is added and thereby has excellent manufacturability without deteriorating the cold workability thereof, and which can satisfy magnetic properties required for use as a soft magnetic member; a soft magnetic member; an intermediate for the soft magnetic member; and methods respectively for producing the soft magnetic member and the intermediate.
The present invention relates to an Ni-based alloy which is excellent in terms of wear resistance and high-temperature corrosion resistance and which includes 0.3≤C≤1.0 mass %, 36.0≤Cr≤50.0 mass %, and 3.0≤Al≤7.0 mass %, with the balance being Ni and unavoidable impurities, and relates to an Ni-based alloy product made of the Ni-based alloy according to the present invention, and methods for producing the Ni-based alloy product.
C22C 19/05 - Alloys based on nickel or cobalt based on nickel with chromium
C22C 1/04 - Making non-ferrous alloys by powder metallurgy
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
The present invention relates to a metal powder including 0.1≤C≤0.4 mass %, 0.005≤Si≤1.5 mass %, 0.3≤Mn≤8.0 mass %, 2.0≤Cr≤15.0 mass %, 2.0≤Ni≤10.0 mass %, 0.1≤Mo≤3.0 mass %, 0.1≤V≤2.0 mass %, 0.010≤N≤0.200 mass %, and 0.01≤Al≤4.0 mass %, with the balance being Fe and unavoidable impurities, and satisfying the following expression (1), 10<15[C]+[Mn]+0.5[Cr]+[Ni]<20 (1), in which [C], [Mn], [Cr] and [Ni] respectively represent the contents of C, Mn, Cr and Ni by mass %.
The present invention provides a seal member capable of maintaining functionality, even in usage environments of approximately 900°C, while avoiding excess addition of Co. The present invention is a seal member comprising a γ' precipitation hardened alloy. The present invention has a constituent composition containing, in terms of mass %, 40 to 62% of Ni, 13 to 20% of Cr, 1.5 to 2.8% of Ti, 1.0 to 2.0% of Al (Ti/Al being 2.0 or less), 2.0% or less of Nb, 2.0% or less of Ta (0.2 to 2.0% of Nb + Ta), 0.001 to 0.010% of B, 3.0% or less of W, and 2.0% or less of Mo (1.0 to 2.5% of Mo + (1/2)W), the remainder being Fe and unavoidable impurities, displays a hardness of 250 Hv, and is characterized by comprising a cold rolled structure which has been cold rolled.
C22C 19/05 - Alloys based on nickel or cobalt based on nickel with chromium
C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
The present invention relates to a steel for mold, containing: 0.28 mass %≤C≤0.65 mass %, 0.01 mass %≤Si≤0.30 mass %, 1.5 mass %≤Mn≤3.0 mass %, 0.5 mass %≤Cr≤1.4 mass %, 1.9 mass %≤Mo+W/2≤4.0 mass %, 0.2 mass %≤V≤1.0 mass %, and 0.01≤N≤0.10 mass %, with the balance being Fe and inevitable impurities, in which, in a state after quenching and tempering, the steel has: a (Mo, W) carbide having a diameter of 0.2 μm or less being in an amount of 1.2 mass % or more, a ratio (mass ratio) of the amount of the (Mo, W) carbide to an amount of a Cr carbide being 11 or more, and a hardness change of 15 HRC or less.
Provided is a powder material which contains: metal particles P1 that are formed from an iron-based alloy and that have an average particle diameter of 10 μm to 500 μm; and nanoparticles P2 that are formed from a metal or a metal compound and that are not surface-treated by an organic substance. The powder material has the high fluidity of a powder material, and is affected to a lesser extent by the presence of an organic substance.
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
B33Y 70/00 - Materials specially adapted for additive manufacturing
88.
SINTERED MAGNET AND METHOD FOR PRODUCING SINTERED MAGNET
The present invention relates to a sintered magnet including a main phase including an R2T14B compound, in which the element R is a rare earth element, and the element T is Fe or includes Fe and Co with which a part of Fe is substituted, and a grain boundary phase which is present at a grain boundary triple junction and contains a rare earth element including a heavy rare earth element, Cu and the element T, in which a content of the rare earth element in the grain boundary phase as a whole is 55 mass % or more, and a Cu-rich region containing 8 mass % or more of Cu accounts for 9 vol % or more of the grain boundary phase.
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
This powder material comprises an atomized powder of a Ni-based alloy containing inclusions, wherein the number of inclusion particles contained is not more than 100 per 10,000 particles of the atomized powder. This layered shaped article comprises a Ni-based alloy containing inclusions, wherein the number of inclusions contained in a cross-section is not more than 100/mm2. This powder material production method is for producing the powder material by a gas atomization method using an inert gas.
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B22F 3/16 - Both compacting and sintering in successive or repeated steps
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
C22C 19/05 - Alloys based on nickel or cobalt based on nickel with chromium
B33Y 80/00 - Products made by additive manufacturing
An electromagnetic valve used in a fuel system, in which at least a portion of a member constituting an magnetic circuit in an electromagnetic drive unit includes 0.15-0.45 mass % (inclusive) Ni, 0.65-1.0 mass % (inclusive) Al, 9.2-10.3 mass % (inclusive) Cr, and 0.90-1.6 mass % (inclusive) Mo, and the remainder comprises an alloy material comprising Fe and unavoidable impurities. The alloy material may further include 0.05-0.15 mass % (inclusive) Pb.
a, which satisfies 0.04≤a≤0.32, and in which, when an X-ray diffraction profile is measured on a surface of the target material, a diffraction peak intensity attributed to a single metal phase of Mo is not detected.
The present invention relates to a negative electrode active material for a lithium-ion battery, containing a Si phase, a Si—Zr compound phase, and a Sn—X compound phase in which X is at least one element selected from the group consisting of Cu, Ti, Co, Fe, Ni, and Zr, the Sn—X compound phase has a proportion of 0.1 mass % to 18 mass % to the whole, and the Si phase has a proportion of 10 mass % to 80 mass % to the whole.
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
B22F 3/16 - Both compacting and sintering in successive or repeated steps
B22F 3/24 - After-treatment of workpieces or articles
C22C 28/00 - Alloys based on a metal not provided for in groups
The present invention relates to a steel for a mold, having a composition containing, in mass %, 0.045≤C≤0.090, 0.01≤Si≤0.50, 0.10≤Mn≤0.60, 0.80≤Ni≤1.10, 6.60≤Cr≤8.60, 0.01≤Mo≤0.70, 0.001≤V≤0.200, 0.007≤Al≤0.150, and 0.0002≤N≤0.0500, with the balance being Fe and unavoidable impurities.
A component for a hot-dip metal plating bath includes a base material and a thermal spray coating disposed to cover a surface of the base material. The base material includes ferritic stainless steel that contains: C: 0.10% to 0.50% by mass; Si: 0.01% to 4.00% by mass; Mn: 0.10% by mass to 3.00% by mass; Cr: 15.0% to 30.0% by mass; a total of Nb, V, Ti, and Ta: 0.9% by mass to 5.0% by mass; and a balance of Fe and unavoidable impurities. The ferritic stainless steel includes a microstructure that includes a ferrite phase as a main phase and a crystallized carbide, an area fraction of a Nb carbide, a Ti carbide, a V carbide, a Ta carbide, and a composite carbide thereof to the crystallized carbide of 30% or more. The hot-dip metal plating bath contains 50% by mass or more of Al.
A high surface-pressure resistant component according to the present invention comprises a steel having a composition containing, in mass%, 0.17-0.23% of C, 0.80-1.00% of Si, 0.65-1.00% of Mn, 0.030% or less of P, 0.030% or less of S, 0.01-1.00% of Cu, 0.01-3.00% of Ni, and 0.80-1.00% of Cr, with the remainder being Fe and unavoidable impurities, wherein the surface layer C concentration of a carburized and quenched layer is 0.70-0.80% in mass%.
A rolling-sliding member that is high in hardness and continues to have a passivation film reliably even after being subjected to a process that does not require any processing for removal of scale, etc., as well as a rolling bearing using the same and a method for manufacturing the rolling-sliding member.
F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
C21D 9/40 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for ringsHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for bearing races
C22C 38/54 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
The present invention relates to an R-T-B-based sintered magnet including: a rare earth element R; a metal element T which is Fe, or includes Fe and Co with which a part of Fe is substituted; boron; and a boride forming element M which is a metal element other than rare earth elements and the metal element T and forms a boride, in which the R-T-B-based sintered magnet includes: a main phase which includes a crystal grain of an R-T-B-based alloy; and a boride phase which includes a compound phase based on the boride of the boride forming element M, and is generated on a preferential growth plane of the crystal grain of the main phase.
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
C22C 38/16 - Ferrous alloys, e.g. steel alloys containing copper
C22C 38/10 - Ferrous alloys, e.g. steel alloys containing cobalt
