发明名称 |
COATED, OXIDATION RESISTANT, PORUS ABRASIVE DIAMOND COMPACTS |
摘要 |
Disclosed is an improved polycrystalline compact of self-bonded diamond particles having a network of interconnected empty pores dispersed throughout. The improved porous polycrystalline diamond compact possesses enhanced oxidation resistance and comprises all of the exterior surfaces of the porous compact being enveloped with a continuous coating which is effective under metal bond fabrication conditions so that oxidation of the diamond in the compact does not exceed a threshold level whereat loss of diamond properties of the compact occurs. Metal bond fabrication conditions comprehend an atmosphere containing oxygen or water vapor. Metal coatings are preferred, especially in coating thicknesses in excess of about 8 microns, and applied by a chemical vapor deposition process. |
申请公布号 |
AU7714187(A) |
申请公布日期 |
1988.04.21 |
申请号 |
AU19870077141 |
申请日期 |
1987.08.14 |
申请人 |
GENERAL ELECTRIC CO., |
发明人 |
PAUL DONALD GIGL;BONNIE MAR HAMMERSLEY;DAVID EARL SLUTZ |
分类号 |
B24D3/00;B24D3/10;B24D3/34;C04B41/52;C04B41/89;C09K3/14;C22C26/00;C23C16/06;C23C16/32;C23C16/34 |
主分类号 |
B24D3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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