发明名称 |
Method of preparing powders for hard materials |
摘要 |
According to the invention there is now provided a simple method of preparing a powder containing WC and cobalt and/or nickel. APT-powder and a powder of a basic salt of cobalt and/or nickel are mixed in water or in mixed solvents. The suspension is stirred to react at temperatures ranging from room temperature to the boiling point of the solution whereby a precipitate is formed, which precipitate is filtered off, dried and finally reduced to a metallic powder. |
申请公布号 |
EP0686704(A1) |
申请公布日期 |
1995.12.13 |
申请号 |
EP19950850105 |
申请日期 |
1995.06.09 |
申请人 |
SANDVIK AKTIEBOLAG |
发明人 |
MUHAMMED, MAMOUN;WAHLBERG, SVERKER;GRENTHE, INGMAR |
分类号 |
B22F9/20;B22F1/00;B22F9/22;C22C1/05 |
主分类号 |
B22F9/20 |
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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