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 WO2009129492(A2) 申请公布日期 2009.10.22
申请号 WO2009US41014 申请日期 2009.04.17
申请人 SMITH INTERNATIONAL, INC.;SHENG, XIAYANG;LOCKSTEDT, ALAN, W.;LOCKWOOD, GREGORY, T. 发明人 SHENG, XIAYANG;LOCKSTEDT, ALAN, W.;LOCKWOOD, GREGORY, T.
分类号 C01B31/34;B22F1/00;B22F7/08;C01G41/00;E21B10/08;E21B10/46 主分类号 C01B31/34
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