英语词典
High speed steel samples were ion nitrided in a tube reactor with an auxiliary heating furnace. The change of nitriding layer thickness, surface hardness and impact strength of the sample with H 2/ N 2 ratio, temperature and time were studied.
用外加热方式在管状反应室中对高速钢试样进行离子氮化,对氮化层的厚度变化、表面硬度及冲击韧性随H2/N2、渗氮温度及时间的变化进行研究。
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