发明名称 |
Sintered composite body comprising cemented carbide and cBN grains |
摘要 |
<p>The present invention relates to a sintered composite body comprising cemented carbide and cBN grains, wherein the cBN grains are dispersed in a cemented carbide matrix. Said body further comprises a cBN depleted zone extending from the surface of the body and 50-400 µm towards the core of the body and the mean cBN grain size outside the depleted zone is 1-20 µm and the cBN content outside the depleted zone is 0.3-4 wt%.</p> |
申请公布号 |
EP2641675(A1) |
申请公布日期 |
2013.09.25 |
申请号 |
EP20120160972 |
申请日期 |
2012.03.23 |
申请人 |
SANDVIK INTELLECTUAL PROPERTY AB |
发明人 |
YIN, LEI;HIRSCH, ALEXANDER;CUI, YI |
分类号 |
B22F7/06;B22F7/08;B23B27/02;B23B27/14;C22C29/08 |
主分类号 |
B22F7/06 |
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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