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首页> 外文期刊>Corrosion science >Thermal conversion and evolution behavior of surface scale on SOFC interconnect steel with sputtered FeCoNi coating
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Thermal conversion and evolution behavior of surface scale on SOFC interconnect steel with sputtered FeCoNi coating

机译：用溅射Feconi涂层SOFC互连钢表面尺度的热转换及演化行为

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摘要

The thermal conversion and evolution of surface scale formed on FeCoNi coated SUS430 steel was investigated in static air at 800 degrees C under isothermal and cyclic conditions. Fe and Co were preferentially oxidized to (Co,Fe)(3)O-4 on the coating surface. Simultaneously, a thin Cr2O3 layer developed at the steel/coating interface. Then (Ni,Co)O developed beneath the (Co,Fe)(3)O-4 layer, and Co3O4 was formed at the outermost layer. (Fe,Co,Ni)(3)O-4 was formed by a solid-state reaction of thermal converted oxides. The discrete (Ni,Co)O gradually migrated outwards through the alternating process between the formation and decomposition of unstable (Fe,Co,Ni)(3)O-4 and finally aggregated close to the outer surface. The (Fe,Co,Ni)(3)O-4/(Ni,Co)O effectively improved the electrical performance of scale and exhibited adequate compatibility with cathode La0.6Sr0.4Fe0.8Co0.2O3+delta.
机译：在等温和环状条件下，在800℃下在静态空气中研究了在FeConi涂覆的SUS430钢上形成的热转换和演化。 Fe和Co优先氧化成涂层表面上的（CO，Fe）（3）O-4。同时，在钢/涂层界面开发的薄CR2O3层。然后在（CO，Fe）（3）O-4层下方开发的（Ni，Co）O和CO3O4在最外层形成。 （Fe，Co，Ni）（3）O-4通过热转换氧化物的固态反应形成。离散（Ni，Co）O通过不稳定（Fe，Co，Ni）（3）O-4的形成和分解之间的交替过程逐渐迁移，并且最终靠近外表面聚集。 （Fe，Co，Ni）（3）O-4 /（Ni，Co）O有效改善了规模的电性能，并表现出与阴极LA0.6SR0.4FE0.8CO0.2O3 + DELTA的充分相容性。

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  • 来源
    《Corrosion science》 |2020年第5期|108561.1-108561.10|共10页
  • 作者

    Zhao Maosen; Geng Shujiang; Chen Gang; Wang Fuhui;

  • 作者单位

    Northeastern Univ Shenyang Natl Lab Mat Sci 3-11 Wenhua Rd Shenyang 110819 Peoples R China;

    Northeastern Univ Shenyang Natl Lab Mat Sci 3-11 Wenhua Rd Shenyang 110819 Peoples R China;

    Northeastern Univ Shenyang Natl Lab Mat Sci 3-11 Wenhua Rd Shenyang 110819 Peoples R China;

    Northeastern Univ Shenyang Natl Lab Mat Sci 3-11 Wenhua Rd Shenyang 110819 Peoples R China;

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

    Sputtered films; Stainless steel; High temperature corrosion; Oxide coatings;

    机译：溅射薄膜;不锈钢;高温腐蚀;氧化物涂料;

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