| 发明名称 |
FORMED PRODUCT AND METHOD FOR PRODUCTION THEREOF |
| 摘要 |
<p>A formed product, characterized in that it is produced by using, as a material, a steel having a superfine structure comprising ferrite grains having an average grain diameter of 3 mum or less and by a method comprising only a forming step and including none of refining steps; and a method for producing the above formed product with ease. The formed product contains no alloying element and has been subjected to no refining step, and has been imparted with high strength and high toughness by the above superfine structure.</p> |
| 申请公布号 |
WO2004035851(A1) |
申请公布日期 |
2004.04.29 |
| 申请号 |
WO2003JP13309 |
申请日期 |
2003.10.17 |
| 申请人 |
NATIONAL INSTITUTE FOR MATERIALS SCIENCE;TORIZUKA, SHIRO;NAGAI, KOTOBU;MURAMATSU, EIJIRO;SUZUKI, YOSHIYUKI |
发明人 |
TORIZUKA, SHIRO;NAGAI, KOTOBU;MURAMATSU, EIJIRO;SUZUKI, YOSHIYUKI |
| 分类号 |
B21K1/46;B21J1/04;C22C38/00;C22C38/02;C22C38/04;C22C38/06;F16B35/00;F16B35/04;(IPC1-7):C22C38/00 |
主分类号 |
B21K1/46 |
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