发明名称 High-strength, high-toughness matrix bit bodies
摘要 A new composition for forming a matrix body which includes spherical sintered tungsten carbide and an infiltration binder including one or more metals or alloys is disclosed. In some embodiments, the composition may include a Group VIIIB metal selected from one of Ni, Co, Fe, and alloys thereof. Moreover, the composition may also include cast tungsten carbide. In addition, the composition may also include carburized tungsten carbide.
申请公布号 US2004060742(A1) 申请公布日期 2004.04.01
申请号 US20030464873 申请日期 2003.06.18
申请人 KEMBAIYAN KUMAR T.;OLDHAM THOMAS W. 发明人 KEMBAIYAN KUMAR T.;OLDHAM THOMAS W.
分类号 C22C1/05;C22C29/08;C22C32/00;E21B10/46;(IPC1-7):E21B10/36 主分类号 C22C1/05
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