Influence of micro groove on the tribological properties of PDMS friction pairs

2021 International Conference on Artificial Intelligence and Electromechanical Automation (AIEA) Pub Date : 2021-05-01 DOI:10.1109/AIEA53260.2021.00018

L. Meng, J. Ding, Ying-jie Shi

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Abstract

In this study, the effect of the surface micro grooves on friction pairs was investigated. The material of the Polydimethylsiloxane (PDMS) was used and two sets of different friction pairs, PDMS-STEEL and PDMS-PDMS, were prepared. The experimental results indicated that the width of the surface groove on the surface of the friction pairs improved the tribological properties. The friction coefficient decreased with the increase in the groove width. The depth effect of the micro groove was related to the pairing conditions. For the PDMS-STEEL friction pairs, the increasing depth of the micro groove deteriorated the friction situation. For the PDMS-PDMS friction pairs, the influence on friction behavior was not obvious. Meanwhile, when the ratio of the width to depth of the micro groove was 0.05, for the PDMS-STEEL friction pairs, the tribological properties were the best. While for the PDMS-PDMS one, the tribological behaviors were improved similarly under both kinds of the ratio values of 0.3 and 0.05.

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微槽对PDMS摩擦副摩擦学性能的影响

研究了表面微槽对摩擦副的影响。以聚二甲基硅氧烷(PDMS)为材料，制备了PDMS- steel和PDMS-PDMS两组不同的摩擦副。实验结果表明，摩擦副表面沟槽的宽度提高了摩擦副的摩擦学性能。摩擦系数随槽宽的增大而减小。微槽的深度效应与配对条件有关。对于PDMS-STEEL摩擦副，微槽深度的增加使摩擦情况恶化。对于PDMS-PDMS摩擦副，对摩擦行为的影响不明显。同时，当微槽宽深比为0.05时，PDMS-STEEL摩擦副的摩擦学性能最好。而对于PDMS-PDMS复合材料，在0.3和0.05两种比例下，其摩擦学性能得到了相似的改善。

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

2021 International Conference on Artificial Intelligence and Electromechanical Automation (AIEA)

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