发明名称 |
Valve and manufacturing method thereof |
摘要 |
<p>A valve which is cobalt-free excellent in wear resistance and seizure resistance manufactured by forming valve seats (4,5) for a valve disc (2) and a valve body (3) with a nickel base alloy in which silicide particles or boride particles of small particle size are finely dispersed, and the valve seat (4,5) is bonded to the valve disc (2) or the valve body (3) by way of an insert material (20) comprising a nickel base alloy of a lower melting point by transient liquid phase diffusion bonding. <IMAGE></p> |
申请公布号 |
EP1584851(A3) |
申请公布日期 |
2005.12.07 |
申请号 |
EP20050015277 |
申请日期 |
2002.11.13 |
申请人 |
HITACHI, LTD. |
发明人 |
CHIGASAKI, MITSUO;MATSUSHITA, SHIZUO;KUNIYA, JIRO;KIYOTOKI, YOSHIHISA;TAKESHIMA, KIKUO;SAKAMOTO, AKIRA;CHIBA, YOSHITERU |
分类号 |
G21D1/00;B22F5/00;B22F7/06;C22C1/05;C22C19/05;C22C38/12;C22C38/32;C22C38/34;F16K3/12;F16K25/00;(IPC1-7):F16K3/12 |
主分类号 |
G21D1/00 |
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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