HIGH THERMAL CONDUCTIVITY HARDFACING FOR DRILLING APPLICATIONS
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United States of America Patent
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Issued Date -
Nov 4, 2010
app pub date -
Apr 29, 2009
filing date -
Apr 29, 2009
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Abandoned
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Abstract
A high thermal conductivity hardmetal composition comprising tungsten carbide in a nickel based matrix binder is disclosed. The hardmetal has at least 50 wt % tungsten carbide, the tungsten carbide being composed of at least 50 vol % of spherical particles. The binder material is composed of at least 98.5 wt % of components selected from the group consisting of nickel, boron, and silica, and the binder flux of boron plus silica content ranges from between 3.5 to 10.0 wt % of the binder material.
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