发明名称 |
HIGH PRESSURE SINTERING WITH CARBON ADDITIVES |
摘要 |
A method for forming a cutting element that includes sintering a mixture comprising carbide particles, a sp2-containing or sp2-convertible carbon additive, and a metallic binder at a first processing condition having a pressure of greater than about 100,000 psi to form a sintered object is disclosed. A method for forming a cutting element that includes sintering a mixture comprising diamond particles and a sp2- containing carbon additive at a first processing condition having a pressure of greater than about 100,000 psi to form a polycrystalline diamond layer is also disclosed, as well as cutting elements having diamond grains non-uniformly distributed therethrough. |
申请公布号 |
WO2010053736(A3) |
申请公布日期 |
2010.07.22 |
申请号 |
WO2009US62060 |
申请日期 |
2009.10.26 |
申请人 |
SMITH INTERNATIONAL, INC.;YONG, ZHOU;XIA, SIKE;STEWART, MICHAEL;VISINTAINER, CARLO |
发明人 |
YONG, ZHOU;XIA, SIKE;STEWART, MICHAEL;VISINTAINER, CARLO |
分类号 |
E21B10/46;B22F7/08;E21B10/50 |
主分类号 |
E21B10/46 |
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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