发明名称 |
CEMENTED CARBIDE ARTICLE AND METHOD FOR MAKING SAME |
摘要 |
The present invention relates to a cemented carbide article comprising a core of metal carbide grains and a binder selected from cobalt, nickel, iron and alloys containing one or more of these metals and a surface layer defining an outer surface for the article, the surface layer comprising 5 to 25 weight percent of tungsten and 0.1 to 5 weight percent carbon, the balance of the surface layer comprising a metal or alloy selected from the binder metals and alloys and the surface layer being substantially free of carbide grains as determined by optical microscopy or SEM. A method for the production of a cemented carbide article is also provided. |
申请公布号 |
EP2665571(A1) |
申请公布日期 |
2013.11.27 |
申请号 |
EP20120700556 |
申请日期 |
2012.01.17 |
申请人 |
ELEMENT SIX GMBH |
发明人 |
KONYASHIN, IGOR YURIEVICH;RIES, BERND HEINRICH;LACHMANN, FRANK FRIEDRICH |
分类号 |
B22F7/00;B23B27/02;B23B27/14;C22C29/00;C22C29/02;C22C29/06;C22C29/08 |
主分类号 |
B22F7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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