In an aluminum alloy composite material including an aluminum alloy matrix and a reinforcing material such as fibers, whisker or particles, intermetallic compounds made of Al and at least one selected from a group of Fe, Ni, Co, Cr, Cu, Mn, Mo, V, W, Ta, Nb, Ti and Zr are finely dispersed in the mat
In an aluminum alloy composite material including an aluminum alloy matrix and a reinforcing material such as fibers, whisker or particles, intermetallic compounds made of Al and at least one selected from a group of Fe, Ni, Co, Cr, Cu, Mn, Mo, V, W, Ta, Nb, Ti and Zr are finely dispersed in the matrix existing among reinforcing material elements so as to maintain rigidity of the matrix alloy necessary to support the reinforcing material elements at high temperature. Optimum shapes and volumetric density of such intermetallic compounds are experimentally obtained.
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An aluminum alloy material including a local portion reinforced to form a composite material comprising a matrix of an aluminum alloy, a reinforcing material of short fibers, whiskers or particles, and intermetallic compounds made of Al and at least one metallic element selected from the group consi
An aluminum alloy material including a local portion reinforced to form a composite material comprising a matrix of an aluminum alloy, a reinforcing material of short fibers, whiskers or particles, and intermetallic compounds made of Al and at least one metallic element selected from the group consisting of Fe, Ni, Co, Cr, Cu, Mn, Mo, V, W, Ta, Nb, Ti and Zr as finely dispersed in the matrix at 5-70% by volume, said aluminum alloy material having been manufactured by forming a porous body of a mixture of said reinforcing material and a powder of said selected metallic element or elements, placing said porous body in a molding cavity of a casting mold, charging a molten body of said aluminum alloy into said molding cavity, and infiltrating a pan of said molten body of said aluminum alloy into said porous body.
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이 특허를 인용한 특허 (19)
Qin Cai-Dong,HKX ; Ng Dickon Hang Leung,HKX, Aluminum metal matrix composite materials reinforced by intermetallic compounds and alumina whiskers.
Bell James Alexander Evert,CAX ; Rohatgi Pradeep Kumar ; Stephenson Thomas Francis,CAX ; Warner Anthony Edward Moline,CAX, Cast-alumina metal matrix composites.
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