发明授权
- 专利标题: method of making cemented carbide tool
- 专利标题(中): 硬质合金刀具的制造方法
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申请号: US09812217申请日: 2001-03-19
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公开(公告)号: US06638474B2公开(公告)日: 2003-10-28
- 发明人: Yixiong Liu , Donald A. Botbyl , George P. Grab , Mark S. Greenfield
- 申请人: Yixiong Liu , Donald A. Botbyl , George P. Grab , Mark S. Greenfield
- 主分类号: B22F312
- IPC分类号: B22F312
摘要:
A coated cemented carbide tool, and a method for making the same, wherein the as-sintered substrate is formed by sintering in an atmosphere having at least a partial pressure and for a part of the time a nitrogen partial pressure.
公开/授权文献
- US20010041107A1 Cemented carbide tool and method of making 公开/授权日:2001-11-15
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