Analysis of Micro-Elastohydrodynamic Lubrication and Prediction of Surface Fatigue Damage in Micropitting Tests on Helical Gears
Analysis of Micro-Elastohydrodynamic Lubrication and Prediction of Surface Fatigue Damage in Micropitting Tests on Helical Gears
复制标题
斜齿轮微点蚀试验中的微弹流润滑分析及表面疲劳损伤预测
DOI：
10.1115/1.4007693
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发表时间：
2013
期刊：
影响因子：
--
通讯作者：
Evans H
中科院分区：
文献类型：
--
作者：
Evans H
本文介绍了微弹流润滑（micro-EHL）建模的齿轮齿接触微点腐蚀试验与接触疲劳和损伤累积分析的表面所涉及的结果。齿面轮廓获得从对斜齿试验齿轮和微观弹流模拟进行对应的表面，实际上在啮合周期中接触。平面应变疲劳和损伤累积分析表明，预测的损伤集中在靠近齿面，这支持了微点蚀产生的疲劳在粗糙接触水平的观点。通过两种替代工艺（生成磨削和成形磨削）精磨齿轮的微点蚀性能的比较表明，3D“波度”可能是解释其不同微点蚀行为的重要因素。
The paper describes results obtained from the micro-elastohydrodynamic lubrication (micro-EHL) modeling of the gear tooth contacts used in micropitting tests together with a contact fatigue and damage accumulation analysis of the surfaces involved. Tooth surface profiles were acquired from pairs of helical test gears and micro-EHL simulations were performed corresponding to surfaces that actually came into contact during the meshing cycle. Plane strain fatigue and damage accumulation analysis shows that the predicted damage is concentrated close to the tooth surfaces and this supports the view that micropitting arises from fatigue at the asperity contact level. A comparison of the micropitting performance of gears finish-ground by two alternative processes (generation-grinding and form-grinding) suggests that 3D “waviness” may be an important factor in explaining their different micropitting behavior.
使用微分偏转法耦合解决弹流动力学线接触问题
DOI：
10.1243/0954406001523920
发表时间：
2000
期刊：
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
影响因子：
--
作者：
T. G. Hughes;C. Elcoate;H. P. Evans
通讯作者：
H. P. Evans
使用新颖的耦合微分偏转法对粗糙表面进行瞬态弹流动力学分析
DOI：
10.1243/1350650011543574
发表时间：
2001
期刊：
Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology
影响因子：
--
作者：
C. Elcoate;H. P. Evans;T. G. Hughes;R. W. Snidle
通讯作者：
R. W. Snidle