发明名称 |
Process for manufacturing metal parts by free forging and drop forging in a press |
摘要 |
The process for manufacturing parts of revolution which are made from a high-density metal with great regularity of reproducibility, especially as regards the homogeneity of the matter. It consists in carrying out the following steps: forging in three dimensions by successive upsetting and drawing-out operations carried out in three perpendicular directions; closed-die forging; and recrystallisation heat treatment. Application to the manufacture of hollow-charged coatings made of tantalum.
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申请公布号 |
US5615465(A) |
申请公布日期 |
1997.04.01 |
申请号 |
US19930098201 |
申请日期 |
1993.05.07 |
申请人 |
COMMISSARIAT A L'ENERGIE ATOMIQUE;THOMSON-BRANDT ARMEMENTS |
发明人 |
BROUSSOUX, DOMINIQUE;COLLARD, JEAN;DAUMAS, MARIE-THERESE |
分类号 |
B21J5/00;B21K21/10;C21D9/16;C22F1/00;C22F1/08;(IPC1-7):B21K23/00 |
主分类号 |
B21J5/00 |
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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