发明授权
- 专利标题: Method of nitriding steel utilizing fluoriding
- 专利标题(中): 利用氟化氮渗氮方法
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申请号: US727614申请日: 1991-07-10
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公开(公告)号: US5254181A公开(公告)日: 1993-10-19
- 发明人: Akira Yoshino , Masaki Tahara , Haruo Senbokuya , Kenzo Kitano , Teruo Minato
- 申请人: Akira Yoshino , Masaki Tahara , Haruo Senbokuya , Kenzo Kitano , Teruo Minato
- 申请人地址: JPX Osaka
- 专利权人: Daidousanso Co., Ltd.
- 当前专利权人: Daidousanso Co., Ltd.
- 当前专利权人地址: JPX Osaka
- 优先权: JPX1-177660 19890610
- 主分类号: C23C8/34
- IPC分类号: C23C8/34
摘要:
This invention relates to a method for forming a uniform, deep nitride layer on and in steel works at low cost, wherein a steel work is fluorided in heated condition in an atmosphere of a mixed gas composed of fluorine gas and inert gas and, then, nitrided in heated condition in an atmosphere of nitriding gas.
公开/授权文献
- US5779619A Centrifugal separator 公开/授权日:1998-07-14
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