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论述了微动损伤的概念及对其研究的必要性。对微动损伤研究的两个主要部分即微动损伤的基础研究和防护方法的发展过程进行了论述，尤其对当前的研究现状及所取得的成果做了重点阐述，并说明了一些尚待研究的问题。从微动机理研究、微动件结构参数控制、微动疲劳寿命估算、工业应用、防护等几个方面概述了微动损伤研究的发展趋势。
The concept of fretting damage and the necessity of its research are discussed. The two main parts of the study of fretting damage, namely, the basic research of fretting damage and the developing process of the protective method are discussed. In particular, the current research status and the achievements made are highlighted, and some studies are still to be done The problem. The development trend of fretting damage research is summarized from the aspects of fretting mechanism, control of fretting structure parameters, fretting fatigue life estimation, industrial application and protection.