POLYCRYSTALLINE DIAMOND (PCD) MATERIALS
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United States of America Patent
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Issued Date -
Nov 11, 2010
app pub date -
Feb 5, 2008
filing date -
Feb 5, 2007
priority date (Note) -
Abandoned
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Abstract
The invention is for a polycrystalline diamond material comprising a first phase of bonded diamond particles and a second phase interspersed through the first phase. The second phase contains vanadium in the form of the metal or vanadium carbide or vanadium tungsten carbide or two or more of these forms and may be present in the polycrystalline diamond material in the range 1 to 8 percent by mass of the material.
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