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公开(公告)号：US3816085A
公开(公告)日：1974-06-11
申请号：US11101971
申请日：1971-01-29
Applicant: MEGADIAMOND CORP
Inventor： HALL H
IPC: C04B35/52 , B01J3/06 , B24D3/00 , C01B31/06 , C09K3/14 , E21B10/56 , E21B10/567 , H01B1/02 , B24D3/02
CPC classification number: E21B10/567 , B01J3/06 , B01J3/062 , B01J2203/062 , B01J2203/0655 , B01J2203/0685 , C09K3/1418
Abstract: Diamond-nondiamond carbon polycrystalline composites particularly useful as abrasives are made by sintering diamond particles at temperatures above about 1440*K but at pressures below which diamond is stable or metastable with respect to its conversion to graphite.
Abstract translation: 金刚石非金刚石碳多晶复合材料特别用作研磨剂是通过在高于约1440°K的温度下烧结金刚石颗粒制备的，但是在低于该值的金刚石相对于其转化为石墨的情况下是稳定的或亚稳态的。
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2.发明授权Method of making a unitary polycrystalline diamond composite and diamond composite produced thereby 失效制造单体多晶金刚石复合材料的方法和生产的金刚石复合材料
公开(公告)号：US3829544A
公开(公告)日：1974-08-13
申请号：US34678173
申请日：1973-04-02
Applicant: MEGADIAMOND CORP
Inventor： HALL H
CPC classification number: B01J3/062 , B01J2203/062 , B01J2203/0655 , B01J2203/0685
Abstract: A method of making unitary polycrystalline diamond composite by sintering a body of diamond particles at a temperature between about 1100*-3900*K and at a pressure ranging up to about 170 kilobars depending on the temperature.
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