发明名称 HARDMETALLKROPP FOR BERGBORRNING MED BINDEFASGRADIENT OCH SETT ATT FRAMSTELLA DENSAMMA
摘要 The present invention relates to a cemented carbide body, preferably for rock drilling, mineral cutting and wear parts, in which the content of binder phase in the surface is lower than the nominal one and in the centre higher than the nominal one. In the centre there is a zone having a uniform content of binder phase. The WC grain size is uniform throughout the body.
申请公布号 SE456428(B) 申请公布日期 1988.10.03
申请号 SE19860002146 申请日期 1986.05.12
申请人 SANTRADE LTD 发明人 U * FISCHER;T * HARTZELL;J * AKERMAN
分类号 B22F3/24;B22F5/12;C22C1/05;C22C29/08;C23C8/20;C23C30/00;(IPC1-7):C22C29/08 主分类号 B22F3/24
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