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材料工程  2018, Vol. 46 Issue (5): 86-91    DOI: 10.11868/j.issn.1001-4381.2017.000954
  研究论文 本期目录 | 过刊浏览 | 高级检索 |
激光构筑槽棱与网格状结构超疏水耐腐蚀表面研究
李晶1, 赵世才1, 杜锋2, 范凤玉1, 潘理达1, 于化东1
1. 长春理工大学 机电工程学院, 长春 130022;
2. 陆军装甲兵学院 士官学校, 长春 130117
Fabrication of Groove and Grid Structure Surface with Superhydrophobicity and Corrosion Resistance by Laser
LI Jing1, ZHAO Shi-cai1, DU Feng2, FAN Feng-yu1, PAN Li-da1, YU Hua-dong1
1. College of Mechanical and Electric Engineering, Changchun University of Science and Technology, Changchun 130022, China;
2. Army Academy of Amored Forces, Changchun 130117, China
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摘要 采用激光加工方法在铝合金表面构筑了一种展现超疏水耐腐蚀特性的槽棱和网格状结构。采用扫描电子显微镜(SEM)、激光共聚焦显微镜(LSCM)、X射线衍射仪(XRD)、X射线能谱仪(EDS)、接触角测量仪和电化学工作站表征材料表面的特征和特性。结果表明:由激光烧蚀形成的槽棱和网格状结构均展现出槽、坑、鳞片和颗粒等复杂形貌和复合结构特征;线间距为200μm的网格状结构的疏水性最好,静态接触角达到154.9°,滚动角接近7°。通过Tafel曲线及其拟合结果分析表明,激光加工处理使两种结构表面均展现出更好的耐腐蚀性能,其中线间距为100μm的网格状结构的耐腐蚀性最好。
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李晶
赵世才
杜锋
范凤玉
潘理达
于化东
关键词 激光加工槽棱和网格超疏水耐腐蚀    
Abstract:With the method of laser processing, the groove and grid structure were constructed on the surface of aluminum alloy which showed the properties of superhydrophobicity and corrosion resistance. The features of the material surfaces were characterized by using scanning electron microscope (SEM), laser scanning confocal microscopy (LSCM), X-ray diffractometer (XRD), energy dispersive spectrometer (EDS), water contact angle measurements and polarization curves measurements, respectively. The results indicate that the groove and grid structure, which are formed by alternating ablation, show grooves, granular bumps and a pit texture and other composite structures and morphologies; the grid structure under the line spacing of 200μm shows excellent hydrophobic properties, and the static contact angle can reach up to 154.9° and the sliding angle is 7°. The analysis on Tafel curve and the curve's fitting results show that the method of laser processing make the groove and grid structure a better corrosion resistance, and the grid structure under the line spacing of 100μm is the best among in these structures.
Key wordslaser processing    groove and grid    superhydrophobicity    corrosion resistance
收稿日期: 2017-07-25      出版日期: 2018-05-16
中图分类号:  TG174  
通讯作者: 李晶(1975-),女,副教授,博士,研究方向为金属表面功能特性,联系地址:吉林省长春市卫星路7089号长春理工大学机电工程学院(130022),E-mail:ji2015edu@163.com     E-mail: ji2015edu@163.com
引用本文:   
李晶, 赵世才, 杜锋, 范凤玉, 潘理达, 于化东. 激光构筑槽棱与网格状结构超疏水耐腐蚀表面研究[J]. 材料工程, 2018, 46(5): 86-91.
LI Jing, ZHAO Shi-cai, DU Feng, FAN Feng-yu, PAN Li-da, YU Hua-dong. Fabrication of Groove and Grid Structure Surface with Superhydrophobicity and Corrosion Resistance by Laser. Journal of Materials Engineering, 2018, 46(5): 86-91.
链接本文:  
http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2017.000954      或      http://jme.biam.ac.cn/CN/Y2018/V46/I5/86
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