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1.发明公开FINE POLYCRYSTALLINE DIAMOND COMPACT WITH A GRAIN GROWTH INHIBITOR LAYER BETWEEN DIAMOND AND SUBSTRATE 审中-公开FINE聚晶金刚石复合片具有晶粒生长延缓剂涂层之间金刚石和基质
公开(公告)号：EP2747882A1
公开(公告)日：2014-07-02
申请号：EP12825006.5
申请日：2012-08-23
申请人： Element Six Limited
发明人： BAO, Yahua , HORMAN, Scott L.
IPC分类号： B01J3/06 , C30B29/04 , C01B31/06 , B24D3/10 , B23B27/20 , B23B7/02 , E21B10/46 , E21B10/567 , E21B10/573
CPC分类号： B24D99/005 , B22F3/14 , B22F7/06 , B22F2005/001 , B24D18/0009 , C22C26/00 , E21B10/46 , E21B10/55
摘要： Polycrystalline diamond compacts for cutting tools and rock drilling tools, and more particularly to very fine polycrystalline diamond compacts with a grain growth inhibitor layer and reduced abnormal grain growth. A method of fabricating such polycrystalline diamond material includes placing a powder layer of nano-sized grain growth inhibitor particles next to a mixture of diamond particles having an average particle size of about 1 micron or less and sintering at high pressure and high temperature to create a polycrystalline structure of sintered diamond grains. The sintered diamond grains have an average size of about 1 micron or less.
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公开(公告)号：EP2747882B1
公开(公告)日：2020-04-08
申请号：EP12825006.5
申请日：2012-08-23
申请人： Element Six Limited
发明人： BAO, Yahua , HORMAN, Scott L.
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