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Hot corrosion behaviour of Al-Si coating in mixed sulphate at 1150℃

机译:1150℃混合硫酸盐中Al-Si涂层的热腐蚀行为

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摘要

Hot corrosion test of Al-Si coating was investigated at 1150 degrees C based on the results reported from previous work which was conducted at 1050 degrees C. It has been observed that the coating failed after 20 h of hot corrosion. When the temperature of hot corrosion reached 1150 degrees C, the dissolution effect of the molten salt to Al2O3 scale was sharply enhanced. Therefore, during hot corrosion, Al-Si coating was not able to generate a protective oxide scale, and the original anti-oxidation and corrosion mechanism of diffusion barrier of Al-Si coating cannot be retained.
机译:根据先前工作在1050摄氏度下进行的报道,在1150摄氏度下对Al-Si涂层进行了热腐蚀试验。已经观察到,热腐蚀20小时后,该涂层会失效。当热腐蚀温度达到1150℃时,熔融盐对Al 2 O 3垢的溶解效果急剧提高。因此,在热腐蚀过程中,Al-Si涂层不能产生保护性氧化皮,并且不能保留Al-Si涂层扩散势垒的原始抗氧化和腐蚀机理。

著录项

  • 来源
    《Corrosion science》 |2019年第2期|313-320|共8页
  • 作者单位

    Jiangsu Univ, Sch Mech Engn, Zhenjiang City 212013, Jiangsu, Peoples R China;

    Jiangsu Univ, Sch Mech Engn, Zhenjiang City 212013, Jiangsu, Peoples R China;

    Jiangsu Univ, Sch Mech Engn, Zhenjiang City 212013, Jiangsu, Peoples R China;

    Jiangsu Univ, Sch Mech Engn, Zhenjiang City 212013, Jiangsu, Peoples R China;

    Jiangsu Univ, Sch Mech Engn, Zhenjiang City 212013, Jiangsu, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Metal coatings; Molten salt; Hot corrosion;

    机译:金属涂层;熔盐;热腐蚀;
  • 入库时间 2022-08-18 04:13:38

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