镍基超疏水表面的制备及其在海洋腐蚀防护中的应用
Fabrication of Nickel-base Super-hydrophobic Surface and Its Application to Marine Corrosion Protection
摘 要
采用电化学沉积-表面修饰两步法在金属铜表面制备了镍基仿荷叶超疏水表面，采用扫描电子显微镜、X-射线衍射、X-射线光电子能谱、接触角测量仪等测试手段表征了所制备膜层的微观形貌、组成及润湿性，并基于Cassie模型理论分析了表面的润湿性与微观形貌间的相关性。在此基础上，采用电化学测试手段评价了所制备镍基超疏水膜在3.5% NaCl溶液中的腐蚀防护性能。结果表明：镍基超疏水膜可有效抑制金属基体的腐蚀过程，并提出了相应的腐蚀防护机制。
腐蚀
仿生超疏水表面
电化学沉积
marine environment
corrosion
super-hydrophobic surface
electrochemical deposition
Abstract
Nickel-base super-hydrophobic layer was fabricated on copper surface with two-step procedure of electrodeposition and surface modification. The micro-morphology, composition and wettability of the as-fabricated layer were characterized with scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy and water contact angle meter as well. The relationship between micro-morphology and wettability was studied based on the Cassie model. The corrosion protection performance of super-hydrophobic surface was evaluated with polarization curve. It was proven that the as-fabricated super-hydrophobic surface could effectively protect the underlying copper. The corrosion protection mechanism of super-hydrophobic surface was proposed based on the electrochemical measurement results.
中图分类号 TG174 DOI 10.11973/fsyfh-201709008
所属栏目 试验研究
基金项目 国家重点基础研究发展计划（2014CB643304）；国家自然科学基金项目（41576079）
收稿日期 2016/12/26
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引用该论文: LI Tianping,WANG Peng,ZHANG Dun. Fabrication of Nickel-base Super-hydrophobic Surface and Its Application to Marine Corrosion Protection[J]. Corrosion & Protection, 2017, 38(9): 697
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