Effect of Direction of Motion on Fretting Corrosion Behaviour

2021 IEEE 66th Holm Conference on Electrical Contacts (HLM) Pub Date : 2021-10-24 DOI:10.1109/HLM51431.2021.9671220

Haomiao Yuan, Dirk Hilmert, Abhay Shukla, Jian Song

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Abstract

The vibrations in the system cause the micro-motions along different directions between the mating members of the electric connectors resulting in the fretting wear, which in turn cause the failure of connector due to fretting corrosion. A lot of work is available on fretting corrosion due to sliding motion along the insertion direction axis. However, the study of influence of motion in the directions perpendicular to the insertion direction on the fretting corrosion is not yet available. The micro-motions in the directions other than the insertion direction can also be a critical factor. Moreover, the motions in different directions result in the pitching and yawing apart from the sliding between mating components of connector. The aim of this study is to compare the effect of relative motion along the three perpendicular axes on the fretting wear and corrosion behaviour so as to identify the influence of the direction of motion. For this purpose, the test apparatus has been modified to enable the motion along the perpendicular axes along with consideration of effect of connector housing and wire.

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运动方向对微动腐蚀行为的影响

系统振动引起电连接器配合件之间沿不同方向的微运动，导致微动磨损，进而导致微动腐蚀导致连接器失效。由于沿插入方向轴的滑动运动，对微动腐蚀进行了大量的研究。然而，垂直于插入方向的运动对微动腐蚀的影响尚未得到研究。在插入方向以外的其他方向上的微运动也是一个关键因素。此外，不同方向的运动除了导致连接器配合部件之间的滑动外，还会产生俯仰和偏航。本研究的目的是比较沿三个垂直轴的相对运动对微动磨损和腐蚀行为的影响，以确定运动方向的影响。为此，在考虑连接器外壳和导线影响的情况下，对测试装置进行了改进，使其能够沿垂直轴运动。

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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2021 IEEE 66th Holm Conference on Electrical Contacts (HLM)

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