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首页> 外文学位 >Corrosion protection of carbon steel by aluminum oxide nano coatings using solution plasma spray technique.
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Corrosion protection of carbon steel by aluminum oxide nano coatings using solution plasma spray technique.

机译：溶液等离子喷涂技术通过氧化铝纳米涂层对碳钢的腐蚀防护。

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摘要

Metallic materials are widely used in the industry due to their superior mechanical properties and offshore structures are one example from the industry that usually uses the metallic materials such as carbon steel to support the daily operation of the concern oil and gas facilities. However, these metallic materials are subjected to corrosive conditions like aqueous environment. Therefore, a corrosion protection technique like external coating must be considered to prevent and mitigate corrosion process from initiation and then damage the target structures. Solution plasma spray technique (SPS) showed the ability to produce Aluminum oxide nano-structured coating by oxidizing aluminum nitrate nona-hydrate solution as achieved in this research.;Aluminum oxide nano-structured coating has several applications in the industry as a corrosion protection layer like insulator due to its high wear resistance and hardness. In this thesis, three different concentrations with three different flowrates of aluminum nitrate solution were involved to prepare different aluminum oxide nano-structured coating system. These coating systems were studied and characterized using several techniques such as AC Impedance, X-ray diffraction (XRD), Scanning electron microscope (SEM). Accordingly, the generated coating systems have showed slight improvements. Furthermore, concentration of the aluminum nitrate nona-hydrate salt can be reduced by 40 -- 50 wt. % and still can achieve same aluminum oxide structure.
机译：金属材料由于其优越的机械性能而在工业中得到广泛使用，海上结构是该行业的一个示例，该行业通常使用诸如碳钢之类的金属材料来支持相关油气设施的日常运行。但是，这些金属材料要经受像水性环境这样的腐蚀性条件。因此，必须考虑采用腐蚀防护技术，例如外部涂层，以防止和减轻腐蚀过程的发生，进而损坏目标结构。固溶等离子喷涂技术（SPS）证明了通过氧化硝酸铝九水合物溶液可生产氧化铝纳米结构涂层的能力。;氧化铝纳米结构涂层作为防腐层在工业上有多种应用像绝缘子一样，由于其高耐磨性和硬度。本文以三种不同浓度，三种不同流速的硝酸铝溶液为原料，制备了不同的氧化铝纳米结构涂料体系。使用多种技术（例如交流阻抗，X射线衍射（XRD），扫描电子显微镜（SEM））对这些涂层系统进行了研究和表征。因此，产生的涂层系统显示出轻微的改进。此外，硝酸铝九水合物盐的浓度可以降低40-50 wt。 ％并且仍然可以获得相同的氧化铝结构。

著录项

  • 作者

    Al-Daajani, Bander Faraj.;

  • 作者单位

    King Fahd University of Petroleum and Minerals (Saudi Arabia).;

  • 授予单位 King Fahd University of Petroleum and Minerals (Saudi Arabia).;
  • 学科 Chemical engineering.
  • 学位 M.S.
  • 年度 2012
  • 页码 99 p.
  • 总页数 99
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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