Life Prediction of One Way Clutch for Case Hardened Steel Under Contact Fatigue with Elastic–Plastic Loading Using Continuum Damage Mechanics

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-07-30 DOI:10.1007/s40997-024-00797-4

Karan A. Dutt, Shashikant J. Joshi, Dhaval B. Shah, Shashikant B. Soni, Deepak Prajapati

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Abstract

One Way Clutch (OWC) is a machinery component widely used in mechanical industries for transmitting a large amount of torque in one direction while running freely in the reverse. Load reversal in OWC results in highly stressed contact regions and damage leading to fatigue wear initiated from subsurface microcracks. A linear elastic–plastic material model is utilized to capture the effects of microplasticity for case hardening steel in conjunction with continuum damage mechanics. The damage evolution material parameters for case hardening steel are derived using a torsion fatigue curve generated by empirical relationships. A 2D representative volume element (RVE) is considered to predict fatigue lives using damage coupled finite element analysis. The microstructure randomness of the material volume is taken into account by Voronoi tessellation. Fatigue lives and their dispersions are observed to follow the Weibull distribution. The simulation results of this study show a good correlation with experimental results. The influence of residual stress distribution and case hardening depth on fatigue lives is also studied.

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利用连续破坏力学预测接触疲劳弹塑性载荷下表面硬化钢单向离合器的寿命

单向离合器（OWC）是一种广泛应用于机械行业的机械部件，用于在单向传递大扭矩的同时，反向自由运转。单向离合器中的载荷反转会导致接触区域高度受力，并由表面下的微裂纹引发疲劳磨损。利用线性弹塑性材料模型，结合连续损伤力学，捕捉壳体硬化钢的微塑性效应。壳体硬化钢的损伤演化材料参数是通过经验关系生成的扭转疲劳曲线得出的。采用损伤耦合有限元分析法，考虑用二维代表体积元素（RVE）预测疲劳寿命。材料体积的微观结构随机性通过 Voronoi tessellation 得到了考虑。据观察，疲劳寿命及其离散性遵循 Weibull 分布。该研究的模拟结果与实验结果具有良好的相关性。此外，还研究了残余应力分布和表面硬化深度对疲劳寿命的影响。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.