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研究了减温阀门气体渗氮工艺，分析了渗氮温度、渗氮时间对其力学性能的影响。并进行了寿命对比实际考核，结果表明，所制定的工艺路线完全满足技术条件要求，寿命提高３～６ 倍。
The gas nitriding process was studied, and the influence of nitriding temperature and nitriding time on its mechanical properties was analyzed. And the actual life comparison test results show that the formulation of the process line to fully meet the technical requirements, life expectancy increased by 3 to 6 times.