文中研究了在不同切削速度下一次碳化物对高速钢工具耐磨性的影响。
The tool lifes for D601 are equivalent to that for M2. The effect of primary carbides on the wear resistance of HSS tools at different speeds was discussed.
本试验结果还说明，在一些磨损条件下，高速钢中一次碳化物对耐磨性的影响不是主要的，基体性能可以起到更大的作用。
It may also be inferred that under certain wear conditions, it is not primary carbides but matrix properties which play major role in the wear resistance of HSS.
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