发明名称 |
Pack composition for borocarburizing ferrous substrates |
摘要 |
A pack composition is disclosed for case hardening a ferrous metal to initially diffuse carbon into the surface thereof and subsequently diffuse boron into the surface. The pack composition comprises a boron material and a carburizing compound with the last named compound including a barium carbonate, a calcium carbonate and a hardwood charcoal and coke mixture.
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申请公布号 |
US4533403(A) |
申请公布日期 |
1985.08.06 |
申请号 |
US19840651386 |
申请日期 |
1984.09.17 |
申请人 |
DRESSER INDUSTRIES, INC. |
发明人 |
AVES, JR., WILLIAM L.;AVES, GARY A. |
分类号 |
C23C8/78;(IPC1-7):C21D1/06 |
主分类号 |
C23C8/78 |
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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