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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:多晶金刚石复合材料,包括具有凸起表面的粘结在多晶金刚石表上的基质,其应用
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摘要
In various embodiments, 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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