齿轮接触疲劳理论研究进展

doi:10.3901/JME.2022.03.095

摘要/Abstract

摘要： 随着航空、风电、重载车辆等装备对齿轮传动功率密度、承载能力、疲劳寿命要求的提高，以微点蚀、点蚀、深层齿面断裂等多种形式存在的齿轮接触疲劳失效成为限制现代齿轮及装备服役性能与可靠性的重要瓶颈。通过调研国内外相关研究现状，描述了齿轮接触疲劳失效模式，归纳了现有齿轮接触疲劳理论与寿命预测方法，介绍了连续损伤理论、微结构力学理论在齿轮接触疲劳研究中的作用，辨识了影响齿轮接触疲劳性能的轮齿界面状态、硬化层与残余应力、材料缺陷等结构-工况-材料要素体系，强调了齿面时变滑滚下宏微观形貌-润滑耦合热弹塑接触机理、粗糙齿面疲劳-棘轮-磨损多源损伤机理、多尺度齿轮材料损伤与性能退化、齿轮抗疲劳制造中的表面完整性及其演化机理等科学问题，总结了超精加工、涂层、喷丸等对提高齿轮接触疲劳性能的影响，为进一步理解齿轮接触疲劳失效机理、形成高性能齿轮抗疲劳设计制造方法提供了参考。

关键词: 齿轮接触疲劳, 表面完整性, 轮齿界面, 损伤演化, 残余应力

Abstract: The continuing improvement on the power density, loading capacity and fatigue life of gear transmissions used in industrial machineries such as in the aerospace, wind turbine and heavy-duty vehicle fields, inevitably places greater demands on the gear contact fatigue failure issues, which exist with various modes including micropitting, pitting and tooth flank fracture and become an important bottleneck limiting their performance. The state of the art of gear contact fatigue studies are reviewed, the fundamental gear contact fatigue modes and the existing fatigue theories including life prediction approaches are summarized. The roles of the continuous damage theory and the micro-structure mechanics on the gear contact fatigue study are introduced. Some improving treatments including superfinishing, coatings and shot peening are investigated. This review provides essential guidance for the further understanding of gear contact fatigue and the realization of gear anti-fatigue design and manufacturing.

Key words: gear contact fatigue, surface integrity, gear mesh interface, damage evolution, residual stress

中图分类号:

TH132

刘怀举, 张博宇, 朱才朝, 魏沛堂. 齿轮接触疲劳理论研究进展[J]. 机械工程学报, 2022, 58(3): 95-120.

LIU Huaiju, ZHANG Boyu, ZHU Caichao, WEI Peitang. State of Art of Gear Contact Fatigue Theories[J]. Journal of Mechanical Engineering, 2022, 58(3): 95-120.

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