| 发明名称 |
Nickel-chromium heating element alloy having improved operating life |
| 摘要 |
The addition of about 0.33 weight percent of hafnium to a nickel-chromium heating element alloy having a nominal composition of 20 weight percent chromium, 1.4 weight percent silicon, balance essentially nickel, results in an improved operating life of the alloy.
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| 申请公布号 |
US4118224(A) |
申请公布日期 |
1978.10.03 |
| 申请号 |
US19760747777 |
申请日期 |
1976.12.06 |
| 申请人 |
WILBUR B. DRIVER COMPANY |
发明人 |
WANG, TEH PO;STARR, CARROL DEAN |
| 分类号 |
C22C19/05;H05B3/12;(IPC1-7):C22C19/05 |
主分类号 |
C22C19/05 |
| 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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