发明名称 |
Method of nitriding steel utilizing fluoriding |
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.
|
申请公布号 |
US5254181(A) |
申请公布日期 |
1993.10.19 |
申请号 |
US19910727614 |
申请日期 |
1991.07.10 |
申请人 |
DAIDOUSANSO CO., LTD. |
发明人 |
YOSHINO, AKIRA;TAHARA, MASAKI;SENBOKUYA, HARUO;KITANO, KENZO;MINATO, TERUO |
分类号 |
C23C8/34;(IPC1-7):C23C8/34 |
主分类号 |
C23C8/34 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|