| 发明名称 |
METHOD MAKING FERROSILICON ALLOY |
| 摘要 |
Method for producing tough non-friable, non-disintegrating ferrosilicon by the addition of copper to the ferrosilicon in the molten state and controlling the cooling rate of the resultant casting in accordance with the copper content and the calcium and aluminum contents of the casting.
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| 申请公布号 |
US3660081(A) |
申请公布日期 |
1972.05.02 |
| 申请号 |
US19700005766 |
申请日期 |
1970.01.26 |
| 申请人 |
UNION CARBIDE CORP. |
发明人 |
JOHN W. FARRELL;WILLIAM D. FORGENG |
| 分类号 |
C22C35/00;(IPC1-7):C22C39/44;C22C39/54 |
主分类号 |
C22C35/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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