发明授权
US5561829A Method of producing structural metal matrix composite products from a
blend of powders
失效
从粉末混合物生产结构金属基复合材料产品的方法
- 专利标题: Method of producing structural metal matrix composite products from a blend of powders
- 专利标题(中): 从粉末混合物生产结构金属基复合材料产品的方法
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申请号: US430107申请日: 1995-04-27
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公开(公告)号: US5561829A公开(公告)日: 1996-10-01
- 发明人: Ralph R. Sawtell , Warren H. Hunt, Jr. , Thomas J. Rodjom , Erik J. Hilinski , John H. Milsom
- 申请人: Ralph R. Sawtell , Warren H. Hunt, Jr. , Thomas J. Rodjom , Erik J. Hilinski , John H. Milsom
- 申请人地址: PA Pittsburgh
- 专利权人: Aluminum Company of America
- 当前专利权人: Aluminum Company of America
- 当前专利权人地址: PA Pittsburgh
- 主分类号: C22C1/05
- IPC分类号: C22C1/05 ; C22C32/00 ; B22F1/02
摘要:
A method of preparing a metal alloy product from a powder blend. The method comprising: (a) cold pressing a blend to form a compact, the metal blend comprising a metal powder phase and at least one reinforcement phase having a hardness greater than the metal phase; (b) heating the compact to form a preheated compact; and (c) hot working the heated compact. In a preferred method, the powder metal blend comprises 50 to 90 vol. % of an aluminum alloy powder and 10 to 50 vol. % of silicon carbide; the heating of the compact perforated in a nitrogen atmosphere to form a preheated compact; and the extruded hot compact is hot worked. Hot working may take the form of forging, rolling, upset forging, exuding, compacting or other processes known in the art.
公开/授权文献
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