Composite polycrystalline diamond
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United States of America Patent
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-
Jun 25, 1985
Grant Date -
N/A
app pub date -
Apr 16, 1984
filing date -
Apr 16, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A composite material is described which includes a mixture of individual diamond crystals and pieces of precemented carbide. The mixture is heated and pressurized to create intercrystalline bonds between the diamond crystals and chemical bonds between the diamond crystals and the precemented carbide pieces. The resulting composite polycrystalline diamond body exhibits excellent wear characteristics and impact resistance.
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