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Strain Development in Oxide Scale during Phase Transformation of FeO

机译:FeO相变过程中氧化物垢的发展

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摘要

Development of a strain in oxide scale during phase transformation of FeO was investigated by a flexure method. A pure iron foil was oxidized on only one side, and the formed FeO was transformed at 400 or 500℃. In-situ observation of the bending behavior of the foil-formed specimen during the phase transformation of FeO was performed. Compressive strain develops in the scale in the early stage of the phase transformation, following which a significantly large expansion strain develops. Such a strain development corresponds to the two-step phase transformation of FeO and can be explained by the volume change of the scale considering the non-stoichiometry of FeO.
机译:通过挠曲法研究了FeO相变过程中氧化皮应变的发展。纯铁箔仅在一侧被氧化,并且生成的FeO在400或500℃时发生转化。在FeO的相变过程中,对箔状试样的弯曲行为进行了现场观察。在相变的早期阶段,压缩应变呈规模发展,此后,出现了很大的膨胀应变。这样的应变发展对应于FeO的两步相变,并且可以通过考虑FeO的非化学计量的规模的体积变化来解释。

著录项

  • 来源
    《ISIJ international》 |2017年第3期|506-510|共5页
  • 作者

    Hiroshi TANEI; Yasumitsu KONDO;

  • 作者单位

    Process Research Laboratories, Nippon Steel & Sumitomo Metal Corporation, 20-1 Shintomi, Futtsu, Chiba, 293-8511 Japan;

    Process Research Laboratories, Nippon Steel & Sumitomo Metal Corporation, 20-1 Shintomi, Futtsu, Chiba, 293-8511 Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    oxide scale; phase transformation; transformation strain; flexure method; non-stoichiometry;

    机译:氧化皮;相变;相变应变;挠曲法;非化学计量;

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