FULLY INFILTRATED ROTARY DRILL BIT
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United States of America Patent
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Issued Date -
Nov 19, 2015
app pub date -
May 13, 2015
filing date -
May 13, 2014
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Abstract
A fully infiltrated rotary drill bit having a bit body that includes at least one particle-matrix composite material having a particle material composition and a binder material having a binder material composition that differs from the particle material composition. The particle material composition has a particle material melting temperature and the binder material composition has a binder melting temperature that is lower than the particle material melting temperature.
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