聚乙烯吡咯烷酮作为水基润滑添加剂摩擦学性能的研究
Tribology Properties of the Aqueous Solution of Polyvinylpyrrolidone
DOI: 10.12677/MS.2014.43016, PDF, HTML,  被引量 下载: 2,844  浏览: 11,525  国家自然科学基金支持
作者: 屠婷婷, 王伟旭, 万 勇：青岛理工大学机械工程学院，青岛；蒲吉斌：中国科学院兰州化学物理研究所固体润滑国家重点实验室，兰州
关键词: 聚乙烯吡咯烷酮；水基润滑液；减摩性能；Polyvinylpyrrolidone； Water-Based Lubricants； Anti-Friction Performance
摘要: 绿色、经济和安全的水基润滑技术一直是摩擦学中一个重要的研究内容。本文中我们利用微摩擦磨损试验机及四球试验机评价了聚乙烯吡咯烷酮作为水基润滑添加剂在钢钢摩擦副中的摩擦学性能，采用扫描电子显微镜及能量色散光谱仪表征了磨痕的表面形貌，并对摩擦磨损机制进行了分析。结果表明：在去离子水中加入少量的聚乙烯吡咯烷酮就可显著改善水的摩擦学性能，并且随着聚乙烯吡咯烷酮在水中浓度的增大，减摩性能得到进一步提高。这主要是由于聚乙烯吡咯烷酮在表面吸附形成的润滑膜起到了减摩效果。
Abstract: Green, economical and safe water-based lubricant technology has always been the ultimate goal in tribological research. In the paper, the tribologial performance of aqueous solution containing polyvinylpyrrolidone (PVP) has been studied by using micro friction and wear tester and four-ball machine. The lubricating mechanisms of PVP in water solution were analyzed by SEM and EDS. When used as an additive in water, PVP showed lower friction. With the increase of concentration in water, friction-reducing performance was improved. This is mainly due to lubrication film formed by adsorption of the PVP molecule on the surface.
文章引用：屠婷婷, 王伟旭, 万勇, 蒲吉斌. 聚乙烯吡咯烷酮作为水基润滑添加剂摩擦学性能的研究[J]. 材料科学, 2014, 4(3): 103-110. http://dx.doi.org/10.12677/MS.2014.43016

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