MS  >> Vol. 7 No. 2 (March 2017)

    等离子喷涂制备疏水涂层的防腐性能研究
    Study on Hydrophobic Coating Prepared by Plasma-Spraying Anticorrosion Performance

  • 全文下载: PDF(746KB) HTML   XML   PP.189-195   DOI: 10.12677/MS.2017.72024  
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作者:  

杨 亮,曹 阳:海南大学材料与化工学院,海南 海口

关键词:
防腐疏水等离子喷涂静态接触角阻抗谱Anticorrosion Resistance Hydrophobic Plasma Spraying Technology Static Contact Angle Im-pedance Spectroscopy

摘要:

本论文的目的是在Q235基底上制备具有好的疏水性及优秀防腐性的Al2O3和TiO2复合涂层。采用等离子喷涂技术在Q235基底上先喷NiFe中间过度层然后制备Al2O3和TiO2复合涂层并通过扫描电子显微镜、接触角测量仪、盐雾腐蚀箱和电化学工作站测量该复合涂层的表面形貌、接触角值、防腐蚀性和阻抗谱。利用等离子喷涂制备涂层并浸入到十四酸的溶液中进行处理,使涂层表面的静态接触角提高到129˚,利用盐雾腐蚀实验处理和自然海水浸泡后该涂层表面未发现明显的改变,因此,经十四酸处理的疏水涂层具有很好的防腐效果。

Purpose of this paper was to prepare Al2O3-TiO2 coating on Q235 substrate that has good hydro-phobic nature and outstanding corrosion resistance. The Al2O3-TiO2 coating with Ni-Fe intermediate layer were prepared on Q235 alloy surface using plasma spraying technology, and then the  coating is characterized by using SEM (scanning electron microscope), contact angle measurement, salt fog corrosion chamber and electro chemical work station to measure the surface morphology, contact angle corrosion resistance and impedance spectroscopy of coating. Coating prepared by plasma spraying and dipping in the aqueous solutions of dodecanoic acid(ASD) for processing can make the static contact angle increase to 129˚, the change in surface morphology for ASD is not obvious after immersing in the nature sea water and storing in salt fog conditions. This indicated good corrosion resistance of the ASD coating.

文章引用:
杨亮, 曹阳. 等离子喷涂制备疏水涂层的防腐性能研究[J]. 材料科学, 2017, 7(2): 189-195. https://doi.org/10.12677/MS.2017.72024

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