发明名称 |
Pretreatment of a metal matrix composite for hot isostatic pressing |
摘要 |
<p>The present invention provides a method for fabricating a metal matrix composite having high specific strength and stable performance and capable of fabricating at low cost, the method comprising heating a preform of metal matrix with reinforcing fiber to the temperature (f,g), which is below the high temperature region (At), of the plastic deformation temperature of the metal matrix in a pressure vessel having an initial processing pressure (a,b) and keeping for a predetermined time for a preparative treatment before the step of hot-isostatic-pressing the preform by keeping at a high temperature region (At) capable of HIP treatment and of diffusing welding temperature of the metal matrix in a pressure vessel; for instance, in case metal matrix is titan or titan alloy, the preparative treatment is conducted at a preparative treatment temperature of about 300 DEG C to 700 DEG C and at a pressure in the pressure vessel of about 30 to 100kg/cm<2>. <IMAGE></p> |
申请公布号 |
EP1306459(A2) |
申请公布日期 |
2003.05.02 |
申请号 |
EP20020024455 |
申请日期 |
2002.10.29 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
YAMADA, TAKESHI;KONO, AKIRA |
分类号 |
B22F3/12;C22C47/00;C22C47/06;C22C47/16;C22C47/18;C22C47/20;C22C49/11;C22C101/14;(IPC1-7):C22C47/00 |
主分类号 |
B22F3/12 |
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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