双疏铝合金表面的水/油润滑摩擦学性能

doi:10.3901/JME.2016.11.115

机械工程学报 ›› 2016, Vol. 52 ›› Issue (11): 115-120.doi: 10.3901/JME.2016.11.115

双疏铝合金表面的水/油润滑摩擦学性能

连峰, 王增勇, 张会臣

大连海事大学交通运输装备与海洋工程学院大连 116026

出版日期:2016-06-05 发布日期:2016-06-05
作者简介:连峰,女,1965年出生,博士,教授。主要从事表面改性技术研究。 E-mail：lianfeng1357@163.com
基金资助:
辽宁省工业攻关计划(2012220006)、国家自然科学基金(51275064)和中央高校基本科研业务费专项资金(3132014303)资助项目

Tribological Performance of Amphiphobic Aluminum Alloy Surface under Water/Oil Lubrication

LIAN Feng, WANG Zengyong, ZHANG Huicheng

College of Transportation Equipments and Ocean Engineering, Dalian Maritime University, Dalian 116026

Online:2016-06-05 Published:2016-06-05

摘要/Abstract

摘要： 利用激光加工在5083船用铝合金表面构建间距为100 μm的点阵和网格微结构,将SiO₂纳米粒子涂覆在微结构上构建微纳结构,制备出双疏铝合金表面。采用接触角测量仪测量其表面接触角和滚动角,采用多功能摩擦磨损试验机探讨其在水润滑和油润滑条件下的摩擦学性能。结果表明,网格表面的超疏水/疏油性能比点阵表面更强,水接触角达到159.9 º,对十六烷的接触角达到147.0 º。随表面疏水和疏油性能的提高,摩擦因数减小,磨痕深度变浅,宽度变窄。油润滑条件下的摩擦因数显著小于水润滑条件下的,且波动性更小,磨痕也更浅更窄。水润滑条件下,点阵表面的摩擦因数大于网格表面;而油润滑条件下,点阵表面的摩擦因数小于网格表面。

关键词: 超疏水, 疏油, 水润滑, 油润滑

Abstract: Laser processing is used to build dot and grid micro-structures with spacing of 100 μm on 5083 warship aluminum alloy surface, and the nano-SiO2 powders are coated on the micro-structures to build micro-nano structures for the amphiphobic aluminum alloy surface. The contact angles and roll angles are measured by contact angle measurement. Tribological performance is evaluated by CETR Universal Micro-Tribometer in water and oil lubrication. The results show that the grid surface has the stronger superhydrophobic/oleophobic performance than that of dot, the water contact angle is as high as 159.9 °and the hexadecane contact angle is as high as 147.0 °. With the improvement of the hydrophobic/oleophobic performance, the friction coefficient decreases, the depth of the grinding crack becomes shallower and the width gets narrower. The friction coefficient under oil lubrication is significantly smaller than that of water lubrication, and the grinding crack is shallower and narrower. The friction coefficient of the dot surface is greater than that of the grid surface under water lubrication, while the friction coefficient of the dot surface is smaller than that of the grid surface under oil lubrication.

Key words: oil lubrication, oleophobic, superhydrophobic, water lubrication

中图分类号:

TH117

连峰, 王增勇, 张会臣. 双疏铝合金表面的水/油润滑摩擦学性能[J]. 机械工程学报, 2016, 52(11): 115-120.

LIAN Feng, WANG Zengyong, ZHANG Huicheng. Tribological Performance of Amphiphobic Aluminum Alloy Surface under Water/Oil Lubrication[J]. Journal of Mechanical Engineering, 2016, 52(11): 115-120.

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双疏铝合金表面的水/油润滑摩擦学性能

Tribological Performance of Amphiphobic Aluminum Alloy Surface under Water/Oil Lubrication

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