发明名称 |
METHOD OF MANUFACTURING METAL PRODUCT HAVING NANO-CRYSTALLIZED SURFACE LAYER PART |
摘要 |
<p>A method of production of a metallic product with a nanocrystallized surface layer comprising subjecting a surface layer of a metallic product to ultrasonic impact treatment by one or more ultrasonic indenters vibrating in a plurality of directions, then subjecting the surface layer subjected to the ultrasonic impact treatment to heat treatment at a low temperature to cause precipitation of nanocrystals.</p> |
申请公布号 |
EP1577401(B1) |
申请公布日期 |
2012.07.04 |
申请号 |
EP20030772830 |
申请日期 |
2003.11.17 |
申请人 |
NIPPON STEEL CORPORATION |
发明人 |
ISHIKAWA, TADASHI;NAKASHIMA, KIYOTAKA;NOSE, TETSURO;TOMINAGA, TOMONORI;HIGO, YAKICHI;TAKASHIMA, KAZUKI |
分类号 |
C22F1/02;C22F3/00;C21D1/04;C21D7/00;C21D7/04;C22C1/00;C22F1/00;C22F1/06;C22F1/18 |
主分类号 |
C22F1/02 |
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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