发明名称 |
CEMENT CARBIDE BODY FOR ROCK DRILLING, MINERAL CUTTING AND HIGHWAY ENGINEERING |
摘要 |
The invention relates to a coated cemented carbide body for rock drilling having a substrate containing at least one metal carbide and a binder metal and an at least partly covering coating comprising at least one diamond- or cBN- layer applied by CVD- or PVD-technique. The cemented carbide body has a core of cemented carbide containing eta-phase surrounded by a surface zone of cemented carbide free of eta-phase. <IMAGE> |
申请公布号 |
SE9002136(D0) |
申请公布日期 |
1990.06.15 |
申请号 |
SE19900002136 |
申请日期 |
1990.06.15 |
申请人 |
SANDVIK AB |
发明人 |
S *EDERYD |
分类号 |
C22C29/08;C23C14/06;C23C16/26;C23C16/27;C23C16/30;C23C16/34 |
主分类号 |
C22C29/08 |
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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