钢材的氮化处理包括气体氮化、盐浴氮化、等离子体氮化等工艺,用于提高钢材耐磨性和疲劳强度等的性能。文章介绍了等离子氮化处理的概况、工艺原理及实际应用,同时描述了该技术最近的发展动向。 Nitriding treatment of steel, including gas nitriding, salt bath nitriding, plasma nitriding and other processes, used to improve the wear resistance of steel and fatigue strength and other properties. This paper introduces the general situation, process principle and practical application of plasma nitriding, and describes the recent developments of the technology.