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首页> 外文期刊>ISIJ international >Strain Development in Oxide Scale during Phase Transformation of FeO
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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°C. 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，形成的FeO在400或500°C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原位观察。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。

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