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1.发明授权MANUFACTURING METHOD OF AN EDM CUTTABLE, HIGH CBN CONTENT SOLID PCBN COMPACT 有权用于生产可切割电火花整体PCBN PRESS NERD高CBN含量
公开(公告)号：EP2613900B1
公开(公告)日：2016-03-23
申请号：EP11824136.3
申请日：2011-09-08
申请人： Element Six Limited
发明人： BAO, Yahua , HORMAN, Scott , YAO, Xian , LIU, Qingyuan
IPC分类号： B23B27/16 , B23B27/14 , C04B35/63 , C04B35/5831 , C04B35/645 , B01J3/06 , B23H7/02 , B24D3/06
CPC分类号： B24D3/06 , B01J3/062 , B01J2203/066 , B23B2222/14 , B23B2222/41 , B23B2226/125 , B23H7/02 , C04B35/5831 , C04B35/6303 , C04B35/645 , C04B2235/3217 , C04B2235/3813 , C04B2235/3817 , C04B2235/3843 , C04B2235/3847 , C04B2235/3856 , C04B2235/3865 , C04B2235/3886 , C04B2235/5436 , C04B2235/5445 , C04B2235/5463 , C04B2235/723 , C04B2235/80 , C04B2235/95
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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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3.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：EP2613900A2
公开(公告)日：2013-07-17
申请号：EP11824136.3
申请日：2011-09-08
申请人： Element Six Limited
发明人： BAO, Yahua , HORMAN, Scott , YAO, Xian , LIU, Qingyuan
CPC分类号： B24D3/06 , B01J3/062 , B01J2203/066 , B23B2222/14 , B23B2222/41 , B23B2226/125 , B23H7/02 , C04B35/5831 , C04B35/6303 , C04B35/645 , C04B2235/3217 , C04B2235/3813 , C04B2235/3817 , C04B2235/3843 , C04B2235/3847 , C04B2235/3856 , C04B2235/3865 , C04B2235/3886 , C04B2235/5436 , C04B2235/5445 , C04B2235/5463 , C04B2235/723 , C04B2235/80 , C04B2235/95
摘要： The present disclosure relates to cubic boron nitride (cBN) cutting elements that have high cBN content and that are cuttable by electric discharge machining (EDM). A cutting element according to an embodiment includes a self-sintered polycrystalline cubic boron nitride (PCBN) compact, having a first phase of cubic boron nitride (cBN) particles and a ceramic binder phase with titanium compounds. The first phase occupies greater than 80% by volume of the self-sintered PCBN compact. The self-sintered PCBN compact has an electrical conductivity sufficient to be cuttable by electrical discharge machining.
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