N系列矿山凿岩硬质合金的试生产

Trial Production of N-series Cemented Carbides for Drilling Tools

简要地介绍了以镍基合金为粘结相的新型矿山凿岩硬质合金的制造工艺、制品性能以及使用效果考核情况。试生产结果表明，这一新产品的开发是比较成功的。在此基础上对有关问题进行了分析并指出今后的努力和改进方向。

Production technology, properties of products and application effects of a new type of cemented carbide with Ni-base binder for drilling tools are introduced briefly.Trial production shows that the development of the new type of cemented carbide is more successful.Moreover,relative problems are discussed and improvement direction is presenied.