Simulation of fretting wear evolution for fatigue endurance limit estimation of assemblies
Simulation of fretting wear evolution for fatigue endurance limit estimation of assemblies
复制标题
微动磨损演化模拟,用于估计组件的疲劳耐久极限
DOI:
10.1016/j.wear.2014.04.013
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发表时间:
2014
期刊:
影响因子:
5
通讯作者:
M. Prölß
中科院分区:
文献类型:
--
作者:
B. Zeise;R. Liebich;M. Prölß
This work concerns the review of fretting-simulation models developed at the Technical University of Berlin (TUB). The presented concept aims to predict the fatigue strength of assemblies subject to fretting corrosion. For such problems it is assumed that a local fatigue strength calculation has to take into account the redistribution of loads due to wear and hence has to be applied to the worn surface.A novel comprehensive modelling approach is presented for simulating the complex fretting wear process of assemblies including both abrasion and the corrosion, accumulation and transport of the produced debris during dynamic loading. Characteristic of the considered press-fitted-shrink is the debris being trapped in the contact area which leads to a three body problem. The numerical frame does not require geometrical updates since the debris layer in this three body problem is represented implicitly by its influence on the local interference and on the local friction coefficient in the finite element-based stress model.The results of the simulation provide information to assess the critical instant for crack initiation during the redistribution of stresses.
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DOI:
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发表时间:
1981
期刊:
影响因子:
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作者:
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2002
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Journal of Engineering Tribology
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