发明授权
- 专利标题: Fine grained cemented carbide with refined structure
- 专利标题(中): 精细结构的细粒硬质合金
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申请号: US12129963申请日: 2008-05-30
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公开(公告)号: US07938878B2公开(公告)日: 2011-05-10
- 发明人: Susanne Norgren , Alexandra Kusoffsky , Alistair Grearson
- 申请人: Susanne Norgren , Alexandra Kusoffsky , Alistair Grearson
- 申请人地址: SE Sandviken
- 专利权人: Sandvik Intellectual Property AB
- 当前专利权人: Sandvik Intellectual Property AB
- 当前专利权人地址: SE Sandviken
- 代理机构: Drinker Biddle & Reath LLP
- 优先权: SE0701320 20070601; SE0701449 20070615
- 主分类号: C22C9/08
- IPC分类号: C22C9/08
摘要:
The present invention relates to a fine grained WC-Co cemented carbide. By adding an extremely small amount of Ti, V, Zr, Ta or Nb alone or in combinations, a grain refined cemented carbide structure with less abnormal WC-grains has been obtained.
公开/授权文献
- US20080314200A1 FINE GRAINED CEMENTED CARBIDE WITH REFINED STRUCTURE 公开/授权日:2008-12-25
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