Finite element analysis of electrical contact fretting wear in 10 % RH air considering the dynamic evolution of debris

IF 5.3 1区工程技术 Q1 ENGINEERING, MECHANICAL

Wear Pub Date : 2025-05-15 DOI:10.1016/j.wear.2025.206128

Lihua Chen , Zhichao Chen , Tengfei Ding , Haoqun Li

引用次数: 0

Abstract

Fretting wear between the electrical contact interfaces generates debris, which affects surface's wear profile and connecter's Electrical Contact Resistance (ECR). A novel method is proposed to simulate the debris generation and dynamic evolution. Combining the conversion method with energy dissipation wear model, a finite element model in 10 % relative humidity (RH) air is developed and validated to analyze the influence of debris dynamic evolution on wear profile and ECR values. Based on the present method and models, the relation of oxidation area to contact area is established and a prediction formula for ECR is proposed at 10 % RH air environmental condition, which can effectively calculate the ECR values for different loading conditions.

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考虑碎屑动态演化的10% RH空气中电接触微动磨损有限元分析

电接触界面之间的微动磨损会产生碎屑，影响表面的磨损情况和连接器的电接触电阻（ECR）。提出了一种新的岩屑生成与动态演化模拟方法。将该转换方法与耗能磨损模型相结合，建立了10%相对湿度（RH）空气条件下的有限元模型并进行了验证，分析了碎屑动态演化对磨损廓形和ECR值的影响。在此基础上，建立了氧化面积与接触面积的关系，提出了10% RH空气环境条件下ECR的预测公式，可以有效地计算出不同负载条件下的ECR值。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Wear 工程技术-材料科学：综合

CiteScore

8.80

自引率

8.00%

发文量

280

审稿时长

47 days

期刊介绍： Wear journal is dedicated to the advancement of basic and applied knowledge concerning the nature of wear of materials. Broadly, topics of interest range from development of fundamental understanding of the mechanisms of wear to innovative solutions to practical engineering problems. Authors of experimental studies are expected to comment on the repeatability of the data, and whenever possible, conduct multiple measurements under similar testing conditions. Further, Wear embraces the highest standards of professional ethics, and the detection of matching content, either in written or graphical form, from other publications by the current authors or by others, may result in rejection.