基本信息:
- 专利标题： Method for producing refractory metal parts of high hardness
- 专利标题（中）：生产高硬度耐火材料零件的方法
- 申请号：EP89103180.9 申请日：1989-02-23
- 公开(公告)号：EP0331010A3 公开(公告)日：1990-03-28
- 发明人： Patrician, Thomas J. , Sylvester, Vito P.
- 申请人： GTE Products Corporation
- 申请人地址： 100 West 10th Street Wilmington, DE 19801 US
- 专利权人： GTE Products Corporation
- 当前专利权人： GTE Products Corporation
- 当前专利权人地址： 100 West 10th Street Wilmington, DE 19801 US
- 代理机构： Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
- 优先权： US161809 19880229
- 主分类号： B22F3/14
- IPC分类号： B22F3/14 ; B22F3/04
摘要：
A method is disclosed for producing a high hardness refractory metal part, the method comprising hot isostatic pressing a refractory metal part having a density greater than about 98% of the theoretical density in the presence of a pressurizing gas having an atomic size great enough to strain the lattice of the refractory metal at a pressure to exceed the yield strength of the metal to result in the densification of the part to a density of greater than about 98% of the theoretical density. The part is then rapidly cooled. The resulting part has a hardness approaching the hardness of mechanically worked material.
公开/授权文献:
- EP0331010A2 Method for producing refractory metal parts of high hardness 公开/授权日：1989-09-06
IPC结构图谱:
| B | 作业；运输 |
| --B22 | 铸造；粉末冶金 |
| ----B22F | 金属粉末的加工；由金属粉末制造制品；金属粉末的制造 |
| ------B22F3/00 | 由金属粉末制造工件或制品，其特点为用压实或烧结的方法；所用的专用设备 |
| --------B22F3/12 | .用压实和烧结两种方法 |
| ----------B22F3/14 | ..同时的 |