Patent ID: 7807099
Filing Date: 2010-10-05
Classification: B22D,B22F,C22C,E21B

Abstract:
1. A method of forming an earth-boring tool, the method comprising: providing a silicon carbide material comprising between about one percent by weight (1.0 wt %) and about five percent by weight (5.0 wt %) aluminum, less than about one percent by weight (1.0 wt %) boron, and between about one percent by weight (1.0 wt %) and about four percent by weight (4.0 wt %) carbon; consolidating the silicon carbide material to form at least one compact; breaking apart the at least one compact to form a plurality of silicon carbide particles; providing a bit body comprising: providing a shank that is configured for attachment to a drill string; and attaching the shank to the bit body.