Cemented Tungsten Carbide-Based Material and Method for Making the Same
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United States of America Patent
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Issued Date -
Apr 29, 2010
app pub date -
Apr 27, 2009
filing date -
Oct 23, 2008
priority date (Note) -
Abandoned
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Abstract
A cemented tungsten carbide-based material includes: a cemented tungsten carbide substrate having a chromized layer that contains a tungsten carbide and a chromium carbide; and a diamond film formed on said chromized layer. A method for making the cemented tungsten carbide-based material involves subjecting a cemented tungsten carbide substrate to chromization so as to form the cemented tungsten carbide substrate with a chromized layer that contains a tungsten carbide and a chromium carbide; and forming a diamond film on the chromized layer.
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