Friction properties of polyacrylamide hydrogel particle/HDPE composite under water lubrication
Friction properties of polyacrylamide hydrogel particle/HDPE composite under water lubrication
复制标题
聚丙烯酰胺水凝胶颗粒/HDPE复合材料的水润滑摩擦性能
DOI：
10.1016/j.polymer.2019.121703
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发表时间：
2019-10-10
期刊：
影响因子：
4.6
通讯作者：
Yuan, Chengqing
中科院分区：
文献类型：
--
作者：
Wang, Chaobao;Bai, Xiuqin;Yuan, Chengqing
为了将软材料的水化润滑应用于重载工程领域，制备了聚丙烯酰胺（PAAm）水凝胶颗粒/高密度聚乙烯（HDPE）复合材料。对它们的力学性能、浸润表面形貌、润湿性、摩擦性能和润滑机理进行了实验研究和分析。结果表明，PAAm水凝胶颗粒在复合材料中起到了重要的润滑和减摩作用，其中质量分数为1%的PAAm水凝胶颗粒复合材料的摩擦性能上级其他不同质量分数的复合材料。本研究表明，该复合材料既具有HDPE的高力学性能，又具有PAAm水凝胶颗粒的优异水合润滑性能。这一发现为改善水润滑材料的摩擦性能提供了一种新的途径，有利于工程实际应用。
In order to apply the hydration lubrication of soft material in heavy load engineering fields, a series of polyacrylamide (PAAm) hydrogel particle/high-density polyethylene (HDPE) composites were prepared. Their mechanical property, soaking surface morphology, wettability, friction property and lubrication mechanism were experimentally obtained and analyzed. The results show that PAAm hydrogel particles played an important role in the lubrication and antifriction of composites, and the friction properties of 1 wt% PAAm hydrogel particle composite were superior to others of different concentrations. The present study suggests that the composite possesses both the high mechanical properties of HDPE and the excellent hydration lubrication of PAAm hydrogel particles. This finding will provide a novel approach for improving friction properties of water-lubricated materials and are conducive to practical application in engineering fields.