发明授权
US06103391A Titanium product with mega-crystal grains separated near the surface and its manufacture 失效
具有巨晶晶粒的钛产品在表面附近分离并制造

  • 专利标题: Titanium product with mega-crystal grains separated near the surface and its manufacture
  • 专利标题(中): 具有巨晶晶粒的钛产品在表面附近分离并制造
  • 申请号: US160838
    申请日: 1998-09-25
  • 公开(公告)号: US06103391A
    公开(公告)日: 2000-08-15
  • 发明人: Ryuta Hirayama
  • 申请人: Ryuta Hirayama
  • 专利权人: Hirayama; Ryuta
  • 当前专利权人: Hirayama; Ryuta
  • 优先权: JPX9-276689 19970925
  • 主分类号: C22F1/00
  • IPC分类号: C22F1/00 B32B15/01 C22C14/00 C22F1/18
Titanium product with mega-crystal grains separated near the surface and
its manufacture
摘要:
The present invention seeks to provide a titanium product applicable to construction material, daily necessities, cutlery and a trowel which has an excellent decorative effect or an excellent smoothing ability in smoothing the kneaded material surface and a manufacture method thereof. The titanium product according to the present invention has crystal grains including twins of 100 .mu.m or larger separated on or near a partial or the entire surface.
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