发明授权
- 专利标题: Metallurgical products improved by deformation processing and method thereof
- 专利标题(中): 通过变形加工改进的冶金产品及其方法
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申请号: US542460申请日: 1990-06-22
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公开(公告)号: US5154780A公开(公告)日: 1992-10-13
- 发明人: M. K. Premkumar
- 申请人: M. K. Premkumar
- 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: B21C23/00
- IPC分类号: B21C23/00 ; B22F1/00 ; B22F3/20 ; C22C21/00 ; C22F1/04
摘要:
This invention is characterized by working which improves metal formability. This is contrary to the usual result of working metals, where formability decreases during working.
公开/授权文献
- US5629117A Electrophotosensitive material 公开/授权日:1997-05-13
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