发明申请
US20130168156A1 DIAMOND ENHANCED INSERT WITH FINE AND ULTRAFINE MICROSTRUCTURE OF PCD WORKING SURFACE RESISTING CRACK FORMATION
审中-公开
金刚石增强插件与PCD工作表面电阻裂纹形成的精细和超微结构
- 专利标题： DIAMOND ENHANCED INSERT WITH FINE AND ULTRAFINE MICROSTRUCTURE OF PCD WORKING SURFACE RESISTING CRACK FORMATION
- 专利标题（中）： 金刚石增强插件与PCD工作表面电阻裂纹形成的精细和超微结构
-
申请号： US13719340申请日： 2012-12-19
-
公开(公告)号： US20130168156A1公开(公告)日： 2013-07-04
- 发明人: Yi Fang , Yahua Bao , Scott L. Horman , Daniel J. Belnap
- 申请人： Smith International, Inc.
- 申请人地址： US TX Houston
- 专利权人： SMITH INTERNATIONAL, INC.
- 当前专利权人： SMITH INTERNATIONAL, INC.
- 当前专利权人地址： US TX Houston
- 主分类号： E21B10/46
- IPC分类号： E21B10/46
摘要：
An insert for a drill bit may include a metallic carbide body; an outer layer of polycrystalline diamond material on the uppermost end of the insert, wherein the polycrystalline diamond material comprises: a plurality of interconnected diamond grains; a plurality of additive grains; a binder material; wherein the average additive grain size is smaller than the average diamond grain size.
信息查询
