发明名称 |
Process for preparing articles by powder metallurgy, and articles obtained thereby. |
摘要 |
<p>The method consists mainly in: a - the production of an electrically conducting positive mould of the article to be obtained in a low melting point material; b - the deposition of a layer of metal on the positive mould by electrolysis to make a hollow negative mould (1) of the article; c - the removal (by melting) of the low melting point positive mould from the negative mould (1); d - filling the negative mould (1) with a metal powder (2), raising the density of the metal powder and outgassing it; e - closing the filled negative mould (1) under vacuum; f - carrying out a hot isostatic compression of the filled negative mould (1) by means of a compression fluid; g - removal of the filled negative mould (1) from the isostatic press (3) and removal of the negative mould (1) from the article obtained in this way.</p> |
申请公布号 |
EP0306098(A2) |
申请公布日期 |
1989.03.08 |
申请号 |
EP19880201849 |
申请日期 |
1988.08.30 |
申请人 |
"NATIONAL FORGE EUROPE" N.V. |
发明人 |
BUEKENHOUT, LOUIS |
分类号 |
B22F3/12 |
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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