| 摘要: |
| 齿轮的强度和使用寿命是制约我国汽车及其他高端机电装备国产化的重要因素。根据近年来国际上高强度汽车齿轮研究与应用成果表明，表面强化技术已经成为实现高强度齿轮的疲劳极限、疲劳耐久寿命和最佳摩擦因数等高性能要求的核心技术。尤其是对齿轮主要材料中合金成分影响和齿轮弯曲疲劳和接触疲劳破损机理的研究、开发齿轮的汽车齿轮渗碳和碳氮共渗等热处理新技术、以及强力喷丸、微粒喷丸、复合喷丸、磷酸锰转化涂层、二硫化钼与微粒子复合喷涂等表面强化等新技术都越来越受到到国内外的重视。文中根据表面强化技术的最新研究现状，重点论述了齿轮在应用中经常出现的主要损伤形式以及最新的防止损伤的一些表面强化新技术，阐述了这些新技术的表面强化机理和应用效果；同时分析了高强度齿轮表面强化技术面临的问题和发展趋势。 |
| 关键词: 高强度齿轮 疲劳强度 疲劳寿命 表面强化技术 强化机理 |
| DOI：10.11933/j.issn.1007-9289.20161013003 |
| 分类号: |
| 基金项目: |
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| Research Status and Development Trend on Strengthening Technology of High Strength Automobile Gear Surface |
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CHEN Yong1, ZANG Li-bin1, JU Dong-ying2, JIA Sen1
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1.School of Mechanical Engineering, Hebei University of Technology, Tianjin 300130;2.Apex Institute of Technology, Saitama Institute of Technology, Fukaya 3690293, Japan
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| Abstract: |
| Strength and lifetime of gears are an important factor which restricts the localization of China's automobile and other high-tech electromechanical equipment. According to the recent research and application of high strength gear in the world manufacturing field, the surface strengthening technology has become the core technology to realize the fatigue life, fatigue endurance lifetime and optimum friction coefficient and other high performance requirements. In particular, the research of the impacts technologies have been paid more and more attention at home and abroad, such as alloy component on gear materials, mechanisms of gear bending fatigue and contact fatigue damage, development of new heat treatment methods include with automobile gear carburization, carbonitriding, power shot peening, micro shot peening, composite shot peening, surface chemical manganese phosphate coating, MoS2 and micro particle composite coating technologies and so on. Therefore, according to the latest research status of surface strengthening technology, this paper focuses on the main forms of damage which often occurred during gear application and latest anti-damage surface strength technology, the reinforcement mechanism and the application of the new-type strengthening technology to prevent the damage of the surface. In addition, the problems and development trend of surface strengthening technology for high strength gear are also analyzed in this paper. |
| Key words: high strength gear fatigue strength fatigue life surface strengthening technology strengthening mechanism |
