According to the present invention there is now provided a cemented carbide drill/endmill blank consisting of a core and a surrounding tube with improved technological properties. The difference in Co-content between the core and tube is 1-10 wt.% units and the cubic carbide content is 8-20 wt.% in the tube and 0.5-2 wt.% in the core. The invention also relates to the method of making said cemented carbide drill/end mill blank.
申请公布号
DE69724652(T2)
申请公布日期
2004.03.25
申请号
DE1997624652T
申请日期
1997.12.18
申请人
SANDVIK AB (PUBL), SANDVIKEN
发明人
FOSTER, STEPHEN;MCCARTY, GARY;GREARSON, ALISTAIR;OUCHTERLONY, HELENE