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研究了 45钢低温盐浴渗铬工艺 ,分析了渗铬层的金相组织和相结构 ,测量了渗层厚度、渗层硬度及铬浓度分布 ,并进行了渗铬层的耐磨试验。结果表明 ,45钢在较低温度盐浴可获得良好的渗铬层及优异的耐磨性。
The microstructure and phase structure of the chromizing layer were analyzed. The thickness of the diffusion layer, the hardness of the diffusion layer and the distribution of chromium concentration were measured. The wear resistance of the chromizing layer was also tested. The results show that, 45 steel in the lower temperature salt bath to obtain a good chromizing layer and excellent wear resistance.