氮气辅助热处理对制冷机械外壳材料组织与性能的影响

发布时间：2018-06-23 17:04

  本文选题：氮气辅助热处理 + 制冷机械外壳　； 参考：《现代制造工程》2017年08期

【摘要】：分别采用常规热处理和氮气辅助热处理对制冷机械外壳材料进行了退火处理,并进行了材料的显微组织、耐磨损性能和阻尼性能的测试与分析。结果表明,与常规热处理相比,氮气辅助热处理显著改善了材料的耐磨损性能和阻尼性能;使材料的25℃和150℃磨损体积分别减小65%、77%,25℃阻尼性能增加84%;随着频率从0.2Hz提高到1.0Hz,材料的阻尼性能从84%降至35%。
[Abstract]:The shell materials of refrigeration machinery were annealed by conventional heat treatment and nitrogen assisted heat treatment, and the microstructure, wear resistance and damping properties of the materials were tested and analyzed. The results show that compared with conventional heat treatment, nitrogen assisted heat treatment has significantly improved the wear resistance and damping properties of the materials. The wear volume at 25 鈩，

本文编号：2057794