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.