Microwave sintered tungsten carbide insert featuring thermally stable diamond or grit diamond reinforcement
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United States of America Patent
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Nov 13, 2001
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app pub date -
Sep 18, 1998
filing date -
Sep 18, 1998
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Abstract
The present disclosure sets out a method and apparatus for forming an insert body. The insert body is preferably made of hard particles of tungsten carbide commingled with particles of a binding metal alloy primarily made of cobalt. The finished component typically is a right cylinder of tungsten carbide and cobalt based alloy. It incorporates in it a diamond region which is formed of diamond particles and cobalt also. The geometry of the diamond region is preferably a sphere or a cylinder and has a curvilinear bottom face to distribute stress for structural integrity.
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