铝合金电刷镀与激光微加工耦合制备超疏水表面及其特性

中国机械工程

铝合金电刷镀与激光微加工耦合制备超疏水表面及其特性

李晶1;赵言辉1;于化东1;杜锋2;弯艳玲1

1.长春理工大学机电工程学院，长春，130022
2.装甲兵技术学院机械工程系，长春，130117

出版日期:2017-01-10 发布日期:2017-01-04
基金资助:
国家自然科学基金资助项目(51505039);
吉林省科技发展计划资助项目(20150204018GX);
吉林省高校科学技术研究资助项目(22215096);
中国博士后科学基金资助项目(2014M551145);
长春理工大学青年科学基金资助项目(2021000522)

Fabrication and Properties of Superhydrophobic Surface on Aluminum Alloys Substrates by Brush Plating and Laser Processing Technology

LI Jing1;ZHAO Yanhui1;YU Huadong1;DU Feng2;WAN Yanling1

1.College of Mechanical and Electric Engineering, Changchun University of Science and Technology, Changchun,130022
2. Department of Mechanical Engineering,Changchun Institute of Engineering, Changchun,130117

Online:2017-01-10 Published:2017-01-04

摘要/Abstract

摘要： 通过电刷镀与激光微加工技术相耦合的方法，在铝合金表面制备出一种微观尺度凸包与沟槽相互排列的特殊结构。未经任何疏水修饰的情况下，得到了一种低黏附性的超疏水表面，其静态接触角达到156°，滚动角约为4.8°，并且表面在滚动性方面表现出各向（平行沟槽方向和垂直沟槽方向）异性。所制备的表面对高温环境具有较好的稳定性，低温条件下也保持在接近138°较大接触角的疏水状态，且在抗结冰方面表现出优异的性能。通过3.5 %（质量分数）NaCl溶液的Tafel曲线测量发现，基体被耦合方法处理后腐蚀阻抗平均提高3个数量级。

关键词: 超疏水, 电刷镀, 激光微加工, 低黏附, 耐腐蚀性

Abstract: A superhydrophobic surface on aluminum alloys substrates was fabricated by brush plating and laser processing technology. The special microstructure surface was clearly uniformly covered by many convex hull and grooves arrangement. It is found that the sample surface has low adhesion performance without any chemical modified. The water contact angle of the fabricated surface is up to 156° and sliding angle is about 4.8°. In addition, the superhydrophobic surface has anisotropy (the direction of vertical groove and parallel groove) in sliding. The studies of the stability properties of superhydrophobic surface under different temperature environments show that, the contact angle of the superhydrophobic surface may also reaches 138° under the low temperature conditions. It has shown excellent antiicing performance. The corrosion inhibition property of superhydrophobic coating in 3.5% NaCl solution is examined by Tafel curve measurement, and results show that, the special surface structure of aluminum alloy corrosion resistant value improves 3 orders of magnitude.

Key words: superhydrophobic, brush plating, laser processing, low adhesion, corrosion resistance

中图分类号:

TG174

李晶, 赵言辉, 于化东, 杜锋, 弯艳玲. 铝合金电刷镀与激光微加工耦合制备超疏水表面及其特性[J]. 中国机械工程.

LI Jing, ZHAO Yanhui, YU Huadong, DU Feng, WAN Yanling. Fabrication and Properties of Superhydrophobic Surface on Aluminum Alloys Substrates by Brush Plating and Laser Processing Technology[J]. China Mechanical Engineering.

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