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Polycrystalline diamond compact including a substrate having a raised interfacial surface bonded to a polycrystalline diamond table, and applications therefor
Polycrystalline diamond compact including a substrate having a raised interfacial surface bonded to a polycrystalline diamond table, and applications therefor
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机译:多晶金刚石复合片,包括具有结合到多晶金刚石台上的凸起的界面的基底,及其应用
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摘要
A polycrystalline diamond compact (“PDC”) comprises a substrate including an interfacial surface having a raised region. In an embodiment, a PDC comprises a substrate including an interfacial surface having a generally cylindrical raised region and a peripheral region extending about the generally cylindrical raised region. The generally cylindrical raised region extends to a height above the peripheral region of about 450 μm or less. The PDC includes a PCD table bonded to the interfacial surface of the substrate. The PCD table includes an upper surface and at least one peripheral surface, and includes a plurality of bonded diamond grains defining interstitial regions. At least a portion of the interstitial regions includes a metallic constituent therein.
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