发明名称 |
VERFAHREN ZUM HERSTELLUNG EINES SINTERKARBIDKÖRPERS |
摘要 |
As there is disclosed a cemented carbide body comprising WC with an average grain size of <10 mum in a binder phase. In the cemented carbide body the WC grains can be classified in at least two groups in which a group of smaller grains has a maximum grain size amax and a group of larger grains has a minimum grain size bmin and each group contains at least 10 % of the total amount of WC grains. According to the invention bmin-amax>0.5 mum and the difference in grain size within each group is >1 mum. |
申请公布号 |
DE69706864(D1) |
申请公布日期 |
2001.10.25 |
申请号 |
DE1997606864 |
申请日期 |
1997.07.08 |
申请人 |
SANDVIK AB (PUBL), SANDVIKEN |
发明人 |
OESTLUND, AKE;WALDENSTROEM, MATS;ALM, OVE |
分类号 |
B23B27/14;B22F1/00;B23P15/28;C22C1/05;C22C29/08;C23C30/00;(IPC1-7):C22C29/08 |
主分类号 |
B23B27/14 |
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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