| 发明名称 |
FERROUS MATERIAL AND METHOD OF MANUFACTURING THE SAME |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a material for machine structural use capable of manufacturing a machine part which combines cold working property and strength and which is also excellent in strength properties in a high temperature use environment without necessarily containing a high concentration of C and an alloy element in a steel. <P>SOLUTION: The ferrous material containing 8-11 at.% of N in its part or entirety and having a hard phase of Hv 700 or higher hardness is formed by nitriding a ferrous material constituted of Fe and unavoidable impurities. <P>COPYRIGHT: (C)2012,JPO&INPIT |
| 申请公布号 |
JP2011241470(A) |
申请公布日期 |
2011.12.01 |
| 申请号 |
JP20100117429 |
申请日期 |
2010.05.21 |
| 申请人 |
JFE STEEL CORP;UNIV OF TSUKUBA |
发明人 |
IWAMOTO TAKASHI;UEI SEISHI;KIMURA HIDETO;KOYANO YU |
| 分类号 |
C23C8/26;C21D1/06;C21D6/00;C22C38/00;C23C8/38;C23C8/50 |
主分类号 |
C23C8/26 |
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