发明名称 |
Shaft of laser nitride-hardened surface on titanium |
摘要 |
A process for producing a crack-free, laser nitride-hardened layer on a titanium substrate, the process including preheating the substrate, melting a small area of substrate with a laser, and shrouding the melted area with a gas mixture having a maximum critical amount of nitrogen not greater than 85%. A crack-free pump shaft so hardened to Rockwell 52 C is produced.
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申请公布号 |
US5330587(A) |
申请公布日期 |
1994.07.19 |
申请号 |
US19930041078 |
申请日期 |
1993.04.01 |
申请人 |
INGERSOLL-RAND COMPANY |
发明人 |
GAVIGAN, WILLIAM J.;SNYDER, CRAIG L.;TUFANO, FRANK J.;MILLER, RONALD S. |
分类号 |
B23K35/32;B23K35/38;C22F1/18;C22F3/00;C23C8/24;(IPC1-7):C22C14/00 |
主分类号 |
B23K35/32 |
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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