The invention provides for an ultra hard or hard composite material comprising a primary ultra hard or hard particulate material and at least one secondary ultra hard or hard particulate material dispersed in a matrix material. The primary ultra hard or hard particulate material has a thermal expansion coefficient lower than that of the matrix material and the at least one secondary ultra hard or hard particulate material has a thermal expansion coefficient greater than that of the matrix material.
申请公布号
WO2010073198(A3)
申请公布日期
2010.10.14
申请号
WO2009IB55836
申请日期
2009.12.18
申请人
ELEMENT SIX (PRODUCTION) (PTY) LTD;CAN, ANTIONETTE;DAVIES, GEOFFREY, JOHN;MYBURGH, JOHANNES, LODEWIKUS