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首页> 外文期刊>Corrosion science >Oxidation of Ni-Cr alloy at intermediate oxygen pressures. I. Diffusion mechanisms through the oxide layer
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Oxidation of Ni-Cr alloy at intermediate oxygen pressures. I. Diffusion mechanisms through the oxide layer

机译:Ni-Cr合金在中等氧气压力下的氧化。一,通过氧化层的扩散机理

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摘要

The oxidation behaviour of Ni-30Cr alloy and the kinetics of the sole growth of Cr2O3 have been studied at 1150 degrees C up to 289 hat oxygen pressures comprised between 10(-13) and 10(-3) atm, thanks to Rhines pack device. Oxide morphology, growth mechanisms and kinetics are discussed in terms of nature, concentration and diffusion of point defects. The criteria ruling the nature of the major diffusing point defects are considered through the influence of temperature and oxygen pressure. Diffusion coefficients are calculated from the oxidation kinetics data and compared to the literature. (C) 2016 Elsevier Ltd. All rights reserved.
机译:由于使用了莱茵斯包装装置,已经在1150摄氏度,高达289帽氧压(包括10(-13)和10(-3)atm)之间研究了Ni-30Cr合金的氧化行为和Cr2O3的唯一生长动力学。 。从点缺陷的性质,浓度和扩散方面讨论了氧化物的形态,生长机理和动力学。通过温度和氧气压力的影响来考虑确定主要扩散点缺陷性质的标准。根据氧化动力学数据计算扩散系数,并与文献进行比较。 (C)2016 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Corrosion science 》 |2016年第10期| 474-485| 共12页
  • 作者单位

    IJL UMR 7198, Dept CP2S, Equipe Surface & Interface Reactivite Chim Mat 20, BP 70239, F-54506 Vandoeuvre Les Nancy, France|AREVA NC, Tour Areva, 1 Pl Jean Milner, F-92084 Paris, France;

    IJL UMR 7198, Dept CP2S, Equipe Surface & Interface Reactivite Chim Mat 20, BP 70239, F-54506 Vandoeuvre Les Nancy, France;

    Univ Paris Saclay, CEA, SCCME, F-91191 Gif Sur Yvette, France;

    IJL UMR 7198, Dept CP2S, Equipe Surface & Interface Reactivite Chim Mat 20, BP 70239, F-54506 Vandoeuvre Les Nancy, France;

    AREVA NC, Tour Areva, 1 Pl Jean Milner, F-92084 Paris, France;

    IJL UMR 7198, Dept CP2S, Equipe Surface & Interface Reactivite Chim Mat 20, BP 70239, F-54506 Vandoeuvre Les Nancy, France;

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

    Alloy; SEM; High temperature corrosion; Oxidation; Kinetic parameters;

    机译:合金;SEM;高温腐蚀;氧化;动力学参数;

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