发明名称 |
Carburizing method |
摘要 |
A method of carburizing a metal workpiece and a carburizing apparatus in which the workpiece, generally of steel, is introduced into an annealing oven and subjected to a high temperature in the presence of a carbon-containing gas mixture as a result of which the workpiece is hardened. According to the invention, one or more of the carbon-containing gas components of the mixture effective upon the surface of the work-piece, can be periodically and impulsively injected into the gas mixture for sudden increases in carbon potential followed by longer diffusion phase.
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申请公布号 |
US4472209(A) |
申请公布日期 |
1984.09.18 |
申请号 |
US19810309477 |
申请日期 |
1981.10.07 |
申请人 |
LINDE AKTIENGESELLSCHAFT;XAVER FENDT & CO. |
发明人 |
LAENGERICH, KARLHEINZ;DANZER, WOLFGANG;CONRAD, RUEDIGER |
分类号 |
C23C8/06;C23C8/22;(IPC1-7):C21D1/00 |
主分类号 |
C23C8/06 |
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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