发明名称 |
ROTORE DI TURBINA A VAPORE AVENTE SALDATURE GRADATE |
摘要 |
<p>This invention provides stream turbine components, such as rotor disc, which include a ring member comprising a low alloy ferrous base metal having less than about 6 wt. % alloy ingredients and a ferrous graded layer disposed on the ring member which includes a plurality of layered weldments having an increasing weight percentage of a layering metal containing Cr. Disposed on the graded layer of this invention is a Cr-containing steeple alloy disposed on the graded layer for optimizing a life extending property of the steeple region of the turbine component.</p> |
申请公布号 |
ITMI912069(A1) |
申请公布日期 |
1992.02.15 |
申请号 |
IT1991MI02069 |
申请日期 |
1991.07.26 |
申请人 |
WESTINGHOUSE ELECTRIC CORPORATION ORA CBS CORPORAT |
发明人 |
JAMES CHRISTOPHER BELLOWS;RUDOLPH KOUBEK III |
分类号 |
B23K9/04;B23K35/00;C21D9/28;F01D;F01D5/00;F01D5/06;F01D25/00 |
主分类号 |
B23K9/04 |
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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