| 申请日期 | 2025-07-02 | 申请号 | JP2000336452 |
| 公开（公告）号 | JP4494616B2 | 公开（公告）日 | 2010-06-30 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | Kitagawa Iron Works Co Ltd Inc154901 | ||
| 简介 | PROBLEM TO BE SOLVED : To obtain cast iron containing fine graphite and having high damping capacity without using a die nor adding Ti. SOLUTION : The cast iron having high vibration damping capacity has a composition containing, by weight, 2.8 to 3.8% C, 1.0 to 2.7% Si, 0.3 to 2.0% Mn, =-Si%/2+4, 0.5% Mn and 0.004 to 0.020% rare earth elements, and the balance substantially Fe. | ||
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