Titanium carbide modified hardfacing for use on bearing surfaces of earth boring bits
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United States of America Patent
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Aug 13, 1991
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N/A
app pub date -
Feb 8, 1990
filing date -
Feb 8, 1990
priority date (Note) -
Expired
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Abstract
An improved hardfacing composition and method are shown for use in manufacturing an earth boring bit. The hardfacing composition is formed by combining titanium carbide with a hard-metal alloy of the iron or cobalt family. The hardfacing composition is then applied to the friction bearing surface of the rock bit.
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