发明名称 |
Double Sintered Thermally Stable Polycrystalline Diamond Cutting Elements |
摘要 |
Embodiments of the invention include a polycrystalline diamond compact comprising a plurality of double-sintered polycrystalline diamond segments. The polycrystalline diamond segments are configured to remain thermally stable at a first temperature. The polycrystalline diamond segments are positioned upon and bonded to a transition layer of single-sintered polycrystalline diamond that is configured to remain thermally stable at a second temperature lower than the first temperature. The transition layer is positioned upon and bonded to a substrate. Embodiments of the invention have improved thermally stability, resulting in fewer defects during manufacturing and improved longevity in use.
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申请公布号 |
US2010242375(A1) |
申请公布日期 |
2010.09.30 |
申请号 |
US20100750526 |
申请日期 |
2010.03.30 |
申请人 |
HALL DAVID R;CROCKETT RONALD B;FOX JOSEPH R;TAMANG ASHOK |
发明人 |
HALL DAVID R.;CROCKETT RONALD B.;FOX JOSEPH R.;TAMANG ASHOK |
分类号 |
E21B10/46;B24D3/00;E21B10/567 |
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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