发明名称 Matrix powder for matrix body fixed cutter bits
摘要 A matrix powder for forming a matrix bit body, the matrix powder essentially consisting of a plurality of carbide particles having a particle size distribution of ±20% of a median particle size; and a plurality of metal binder particles is disclosed.
申请公布号 US8211203(B2) 申请公布日期 2012.07.03
申请号 US20080189992 申请日期 2008.08.12
申请人 SHENG XIAYANG;LOCKSTEDT ALAN W.;LOCKWOOD GREGORY T.;SMITH INTERNATIONAL, INC. 发明人 SHENG XIAYANG;LOCKSTEDT ALAN W.;LOCKWOOD GREGORY T.
分类号 B22F1/00 主分类号 B22F1/00
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