A metal matrix composite article is described that includes a metal component, a ceramic component, and a lubricious component. The metal matrix composite article has a first surface and a second surface. The lubricious component is present in an amount that is highest at the first surface and is lowest at the second surface. The ceramic component is present in an amount that is highest at the first surface and is lowest at the second surface. The metal component is present in an amount that is highest at the second surface and is lowest at the first surface. In some cases, the metal matrix composite article is a wear plate for a fifth wheel hitch.
Some embodiments provide methods and systems for casting articles. One example of a method includes providing and positioning a thermal blanket within a mold cavity and then introducing a molten material into the mold cavity and into contact with the thermal blanket. The method allows the molten material to remain in a molten state during a dwell time that extends from the introduction of the molten material at least until the mold cavity is filled. In another example, a method of using a thermal blanket includes keeping a molten material in a molten state during a dwell time extending from first introduction of the molten material until pressurization. Systems including a variety of mold types, one or more thermal blankets, and in some cases preforms and/or inserts are also provided. Also described is a novel thermal blanket and method of manufacturing the same.
B22D 27/04 - Action sur la température du métal, p. ex. par chauffage ou refroidissement du moule
B22D 17/00 - Coulée sous pression ou moulage par injection, c.-à-d. moulage en introduisant le métal dans le moule sous haute pression
B22D 19/00 - Coulée dans, sur, ou autour d'objets formant partie intégrante du produit final
B22D 19/02 - Coulée dans, sur, ou autour d'objets formant partie intégrante du produit final pour fabriquer des pièces renforcées
B22D 19/08 - Coulée dans, sur, ou autour d'objets formant partie intégrante du produit final pour établir des garnitures ou revêtements, p. ex. de métal antifriction
B22D 19/14 - Coulée dans, sur, ou autour d'objets formant partie intégrante du produit final les objets ayant la forme de filaments ou de particules
C04B 30/02 - Compositions pour pierre artificielle, ne contenant pas de liants contenant des matières fibreuses
B22D 17/20 - AccessoiresCoulée sous pression ou moulage par injection, c.-à-d. moulage en introduisant le métal dans le moule sous haute pression Parties constitutives
B22D 17/22 - Moules métalliquesPlaques de moulesSupports de moulesÉquipement de refroidissement des moulesAccessoires pour l'extraction et l'éjection des pièces hors du moule
C04B 111/00 - Fonction, propriétés ou utilisation des mortiers, du béton ou de la pierre artificielle
A structural component with at least two side members has a support structure that includes a partition with multiple curved portions forming cells. The partition connects to the side members and extends between the side members at least partially along straight lines. The partition may extend along one or more straight lines from one side member to the other. One structural component is a container with a wall about the internal support structure. The container cells may be formed with a core structure. The core can include a permeable storage material and may be retained after formation, or may be removed. In some cases the container wall has generally planar surfaces, which may include surface undulations. Core structures are also provided for forming structural components. Formation can include casting a material about a core structure within a mold to form a partition extending between two or more sides.
A metal matrix composite article that includes at least first and second regions, first and second reinforcement materials, a metal matrix composite material occupying the second region of the body and comprising a metal matrix material and the second reinforcement component, a preform positioned in the first region of the body and infiltrated by at least the metal matrix material of the metal matrix composite material. The article further includes a transition region located proximate an outer surface of the preform that includes a distribution of the second reinforcement component comprising a density increasing according to a second gradient in a direction toward the outer surface of the preform.
A metal matrix composite article that includes at least first and second regions, first and second reinforcement materials, a metal matrix composite material occupying the second region of the body and comprising a metal matrix material and the second reinforcement component, a preform positioned in the first region of the body and infiltrated by at least the metal matrix material of the metal matrix composite material. The article further includes a transition region located proximate an outer surface of the preform that includes a distribution of the second reinforcement component comprising a density increasing according to a second gradient in a direction toward the outer surface of the preform.
B32B 5/14 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par une couche différant en certains endroits du fait de sa constitution ou de sa structure physique, p. ex. plus dense superficiellement
B29C 70/88 - Façonnage de matières composites, c.-à-d. de matières plastiques comprenant des renforcements, des matières de remplissage ou des parties préformées, p. ex. des inserts caractérisées principalement par des propriétés spécifiques, p. ex. électriquement conductrices ou renforcées localement
F16D 65/12 - DisquesTambours pour freins à disques
B22D 19/02 - Coulée dans, sur, ou autour d'objets formant partie intégrante du produit final pour fabriquer des pièces renforcées
B22D 19/14 - Coulée dans, sur, ou autour d'objets formant partie intégrante du produit final les objets ayant la forme de filaments ou de particules
C22C 47/12 - Imprégnation ou coulée sous une pression mécanique
B22F 3/22 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet pour la fabrication de pièces par coulée en moule poreux ou absorbant, c.-à-d. par coulée d'une suspension de poudre métallique dans un moule poreux, d'une façon analogue au coulage de la barbotine
C22C 32/00 - Alliages non ferreux contenant entre 5 et 50% en poids d'oxydes, de carbures, de borures, de nitrures, de siliciures ou d'autres composés métalliques, p. ex. oxynitrures, sulfures, qu'ils soient soient ajoutés comme tels ou formés in situ
A structural component having an internal support structure extending between outer wall portions of the component with one or more compartments included within the support structure. The support structure has support members including internal walls positioned between and/or defined by the compartments. At least one support member connects between the outer wall portions of the component to enhance the structural integrity of the component. The structural component, including the internal support, are cast from a molten material, and in some cases the support members of the internal support structure are formed with a rectilinear configuration. In some cases the cast structural component is a container and the one or more compartments are configured to store a fluid, such as a gas or a liquid. One or more preforms can be used to form a container and may be retained or eliminated from the container after casting.
B29C 39/10 - Moulage par coulée, c.-à-d. en introduisant la matière à mouler dans un moule ou entre des surfaces enveloppantes sans pression significative de moulageAppareils à cet effet pour la fabrication d'objets de longueur définie, c.-à-d. d'objets séparés en incorporant des parties ou des couches préformées, p. ex. coulée autour d'inserts ou sur des objets à recouvrir
7.
CORE STRUCTURED COMPONENTS, CONTAINERS, AND METHODS OF CASTING
. A container having one or more compartments therewithin, wherein an internal support structure extends through the compartments. The internal support structure is configured for enhancing the structural integrity of the container. Each compartment is defined at least in part by a preform. One or more preforms are assembled into a casting insert for forming the container. The casting insert includes one or more flow paths. A molten material is introduced about the insert, including into the one or more flow paths. The solidified molten material defines the external walls and the internal support structure of the container. The preform defining the compartment within the container can be retained therewithin or can be eliminated therefrom. The compartments within the container are in fluid communications, and an opening through an external wall of the container is configured for regulating fluid communications thereacross.
A metal matrix composite article is described that includes a metal component, a ceramic component, and a lubricious component. The metal matrix composite article has a first surface and a second surface. The lubricious component is present in an amount that is highest at the first surface and is lowest at the second surface. The ceramic component is present in an amount that is highest at the first surface and is lowest at the second surface. The metal component is present in an amount that is highest at the second surface and is lowest at the first surface. In some cases, the metal matrix composite article is a wear plate for a fifth wheel hitch.
A fifth wheel hitch (100), comprising: a hitch bearing plate (10) having an upper surface (12); and a wear plate (16a, 16b) secured to the upper surface (12); wherein the wear plate (16a, 16b) comprises a metal comprises a ceramic component and a lubricious component, wherein the: wear plate (16a, 16b) has a first surface (22), and a second surface (24) wherein the first surface is an exposed surface and the second surface faces the upper surface, wherein the lubricious component has a total volume fraction that is highest at the first surface and is lowest at the second surface, wherein the ceramic component has a total volume fraction that is highest at the first surface and is lowest, at the second surface, and wherein the metal component has a total volume fraction that is highest at the second surface and is lowest at the first surface.
Embodiments provide methods, apparatuses and systems for depositing a thermal insulator coating onto a desired surface of a mold cavity or insert or preform. Embodiments also provide casting methods using a thermal insulator coating.
Some embodiments provide methods and systems for casting articles. One example of a method includes providing and positioning a thermal blanket within a mold cavity and then introducing a molten material into the mold cavity and into contact with the thermal blanket. The method allows the molten material to remain in a molten state during a dwell time that extends from the introduction of the molten material at least until the mold cavity is filled. In another example, a method of using a thermal blanket includes keeping a molten material in a molten state during a dwell time extending from first introduction of the molten material until pressurization. Systems including a variety of mold types, one or more thermal blankets, and in some cases preforms and/or inserts are also provided. Also described is a novel thermal blanket and method of manufacturing the same.
B22D 27/04 - Action sur la température du métal, p. ex. par chauffage ou refroidissement du moule
B22D 17/00 - Coulée sous pression ou moulage par injection, c.-à-d. moulage en introduisant le métal dans le moule sous haute pression
B22D 19/00 - Coulée dans, sur, ou autour d'objets formant partie intégrante du produit final
B22D 19/02 - Coulée dans, sur, ou autour d'objets formant partie intégrante du produit final pour fabriquer des pièces renforcées
B22D 19/08 - Coulée dans, sur, ou autour d'objets formant partie intégrante du produit final pour établir des garnitures ou revêtements, p. ex. de métal antifriction
B22D 19/14 - Coulée dans, sur, ou autour d'objets formant partie intégrante du produit final les objets ayant la forme de filaments ou de particules
C04B 30/02 - Compositions pour pierre artificielle, ne contenant pas de liants contenant des matières fibreuses
C04B 111/00 - Fonction, propriétés ou utilisation des mortiers, du béton ou de la pierre artificielle
Some embodiments provide methods and systems for casting articles. One example of a method includes providing and positioning a thermal blanket within a mold cavity and then introducing a molten material into the mold cavity and into contact with the thermal blanket. The method allows the molten material to remain in a molten state during a dwell time that extends from the introduction of the molten material at least until the mold cavity is filled. In another example, a method of using a thermal blanket includes keeping a molten material in a molten state during a dwell time extending from first introduction of the molten material until pressurization. Systems including a variety of mold types, one or more thermal blankets, and in some cases preforms and/or inserts are also provided. Also described is a novel thermal blanket and method of manufacturing the same.
B22D 19/08 - Coulée dans, sur, ou autour d'objets formant partie intégrante du produit final pour établir des garnitures ou revêtements, p. ex. de métal antifriction
B22D 19/14 - Coulée dans, sur, ou autour d'objets formant partie intégrante du produit final les objets ayant la forme de filaments ou de particules
B22C 9/12 - Traitement des moules ou noyaux, p. ex. séchage, étuvage
B22D 17/00 - Coulée sous pression ou moulage par injection, c.-à-d. moulage en introduisant le métal dans le moule sous haute pression
C04B 30/02 - Compositions pour pierre artificielle, ne contenant pas de liants contenant des matières fibreuses
B22D 27/04 - Action sur la température du métal, p. ex. par chauffage ou refroidissement du moule
B22C 3/00 - Emploi de compositions spécifiées pour revêtir les surfaces des moules, noyaux ou modèles
In some cases a composite cutting blade includes one or more cutting segments along a periphery of a hub segment. According to an example, the hub segment and the one or more cutting segments can comprise the same or different porous material. A metallurgical bond between the one or more cutting segments and the hub segment is created by a metal which infiltrates the porous material of both segments. The one or more cutting segments also include a cutting material which at least partially defines a cutting edge and/or a cutting surface of each cutting segment extending along the periphery of the composite blade.
B23D 61/04 - Lames de scies circulaires à dents de scies rapportées
B23D 61/18 - Outils particuliers pour scier, p. ex. fil coupant comportant des dents de scie, lames de scie ou fil à scier comportant des diamants ou d'autres particules abrasives disposés individuellement dans des positions choisies
B28D 1/24 - Travail de la pierre ou des matériaux analogues p. ex. briques, béton, non prévu ailleursMachines, dispositifs, outils à cet effet par découpage, p. ex. exécution d'entailles au moyen de disques de découpage
B28D 1/04 - Travail de la pierre ou des matériaux analogues p. ex. briques, béton, non prévu ailleursMachines, dispositifs, outils à cet effet par sciage avec des lames de scie circulaires ou des disques de scie
Provided are novel devices and methods for making a variable density preform, the methods comprising obtaining a slurry comprising a reinforcement particle component and a liquid component; obtaining a die cavity having at least one inlet opening and at least one exit opening defining at least one die cavity flow path therebetween directed toward the exit opening, the at least one exit opening suitably sized or configured to provide for exit of the at least one liquid component while impeding or blocking exit of the at least one reinforcement particle component; and introducing the slurry under pressure, and for a sufficient time period, through the inlet orifice into the die cavity flow path to provide for a decreasing pressure gradient along the flow path direction, to provide for a variable density of the at least one particle component, the particle density increasing in the at least one flow path direction.
B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet
B29C 45/14 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet en incorporant des parties ou des couches préformées, p. ex. moulage par injection autour d'inserts ou sur des objets à recouvrir
B28B 19/00 - Machines ou méthodes pour appliquer le matériau sur des surfaces pour former une couche permanente sur ces dernières
B22C 9/08 - Parties concernant l'alimentation en métal liquide, p. ex. attaques circulatoires, filtres
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