A composite body for cutting tools that includes a ductile phase; a plurality of carbide particles dispersed the ductile phase; and a plurality of nanotubes integrated into the composite body is disclosed. Methods of making such composite bodies and drill bits formed of such material are also disclosed.
申请公布号
EP1923154(A2)
申请公布日期
2008.05.21
申请号
EP20070120685
申请日期
2007.11.14
申请人
SMITH INTERNATIONAL, INC.
发明人
ZHANG, YOUHE;ZHAN, GUODONG;SHENG, XIAYANG;LOCKSTEDT, ALAN W.;SHEN, YUELIN;DENG, HONG;GRIFFO, ANTHONY;KESHAVAN, MADAPUSI K.