表面形貌对滚动接触疲劳寿命的影响
发布时间：2018-11-15 18:11
【摘要】：基于国内外研究现状,以滚动轴承为研究对象,将滚子与滚道等效为点接触模型,研究了干摩擦条件下,表面形貌对滚动接触疲劳寿命的影响。建立了Zeretsky寿命模型,分析了表面均方根值、峰度及偏度、纹理特性对次表面应力分布和滚动接触疲劳寿命的影响。结果表明:均方根值增加,次表面高应力区将靠近表面,滚动接触疲劳寿命降低;峰度增加将导致滚动接触疲劳寿命降低;纹理可使滚动疲劳寿命降低。
[Abstract]:Based on the present research situation at home and abroad, the roller and raceway are equivalent to point contact model, and the effect of surface morphology on rolling contact fatigue life under dry friction is studied. The Zeretsky life model is established, and the effects of the root mean square value, kurtosis and skewness of surface, texture characteristics on the distribution of subsurface stress and rolling contact fatigue life are analyzed. The results show that with the increase of root mean square value, the high stress region of the subsurface will close to the surface, and the rolling contact fatigue life will decrease, while the rolling contact fatigue life will decrease with the increase of kurtosis, and the rolling fatigue life will be decreased with the texture.
【作者单位】： 太原理工大学机械工程学院;
【基金】：国家高技术研究发展计划(863计划)(2012AA062001)
【分类号】：TH117.1;TH133.33
本文编号：2334060
[Abstract]:Based on the present research situation at home and abroad, the roller and raceway are equivalent to point contact model, and the effect of surface morphology on rolling contact fatigue life under dry friction is studied. The Zeretsky life model is established, and the effects of the root mean square value, kurtosis and skewness of surface, texture characteristics on the distribution of subsurface stress and rolling contact fatigue life are analyzed. The results show that with the increase of root mean square value, the high stress region of the subsurface will close to the surface, and the rolling contact fatigue life will decrease, while the rolling contact fatigue life will decrease with the increase of kurtosis, and the rolling fatigue life will be decreased with the texture.
【作者单位】： 太原理工大学机械工程学院;
【基金】：国家高技术研究发展计划(863计划)(2012AA062001)
【分类号】：TH117.1;TH133.33
【相似文献】
相关期刊论文 前4条
1 郭伟;曹宏瑞;何正嘉;;近年滚动接触疲劳的确定性研究寿命模型综述[J];应用力学学报;2014年04期
2 张军,吴宗泽;预加应力对滚动接触疲劳强度的影响[J];清华大学学报(自然科学版);1986年06期
3 祁海;张培志;郭方全;;氮化硅轴承球滚动接触疲劳性能的研究现状[J];机械工程材料;2014年06期
4 ;[J];;年期
相关硕士学位论文 前4条
1 陈冬冬;基于声发射的轴承滚动接触疲劳在线检测[D];燕山大学;2015年
2 秦奋起;微观粗糙表面的数值模拟及其对滚动接触疲劳寿命的影响[D];哈尔滨工业大学;2015年
3 裴桃林;基于声发射的轴承滚动接触疲劳量化诊断技术研究[D];燕山大学;2016年
4 卢丽鹃;1070钢滚动接触疲劳启裂、扩展机制及数值模拟研究[D];浙江工业大学;2014年
，本文编号：2334060
本文链接：https://www.wllwen.com/jixiegongchenglunwen/2334060.html
