发明名称 |
Aluminum or aluminum alloy extrudeing die |
摘要 |
There is disclosed an aluminum or aluminum alloy extruding die, which comprises Co-group alloy, Ni-group alloy, Cr-group alloy or like high temperature wear-resistant alloy coating applied by thermal spraying on a required die surface portion having been formed in the shape of a rough surface having surface roughness Rz of 5 mum or more. Preferably, after application of the alloy coating, the die is held at a temperature in the range from 500 to 800° C. for a predetermined period of time or the alloy coating surface is so roughened as to have surface roughness Rz of 10 mum or less.
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申请公布号 |
US2002189318(A1) |
申请公布日期 |
2002.12.19 |
申请号 |
US20020117864 |
申请日期 |
2002.04.04 |
申请人 |
KASHIWAZAKI KAZUHISA;YAMAGUCHI HIROKAZU;SHOJI RYO;KAKINOKI TOSHIYUKI |
发明人 |
KASHIWAZAKI KAZUHISA;YAMAGUCHI HIROKAZU;SHOJI RYO;KAKINOKI TOSHIYUKI |
分类号 |
B21C25/00;B21C25/02;B21C25/10;C22C19/05;C22C19/07;C23C4/02;C23C4/06;C23C4/18;(IPC1-7):B21C3/00 |
主分类号 |
B21C25/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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