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首页> 外文期刊>Corrosion science >Wet oxidation of stainless steels: New insights into hydrogen ingress
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Wet oxidation of stainless steels: New insights into hydrogen ingress

机译:不锈钢的湿法氧化:氢进入的新见解

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摘要

It is well established that hydrogen derived from water vapor can penetrate oxidizing alloys with detrimental effect. However, the complexities of tracking hydrogen in these materials have prevented the direct profiling of hydrogen ingress needed to understand these phenomena. Here we report hydrogen profiles in industrially-relevant alumina- and chromia-forming steels correlated with the local oxide-metal nano/microstructure by use of SIMS D20 tracer studies and experimental protocols to optimize D retention. The D profiles unexpectedly varied markedly among the alloys examined, which indicates mechanistic complexity but also the potential to mitigate detrimental water vapor effects by manipulation of alloy chemistry.
机译:众所周知,来自水蒸气的氢会有害地渗透到氧化性合金中。但是,在这些材料中追踪氢的复杂性阻止了了解这些现象所需的氢进入的直接分析。在这里,我们通过使用SIMS D20示踪剂研究和优化D保留率的实验方案,报告了与工业相关的氧化铝和氧化铬形成钢中与局部氧化物金属纳米/微观结构相关的氢分布。 D曲线在所检查的合金中出乎意料地显着变化,这表明机理复杂,但也有可能通过控制合金化学来减轻有害的水蒸气效应。

著录项

  • 来源
    《Corrosion science》 |2011年第5期|p.1633-1638|共6页
  • 作者单位

    Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6115, USA;

    University of Manitoba, Department of Geological Sciences, Winnipeg, MB, Canada R3T2N2;

    Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6115, USA;

    Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6115, USA;

    Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6115, USA;

    Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6115, USA,Department of Earth and Planetary Sciences, University of Tennessee, Knoxville, TN 37996-1410, USA;

    Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6115, USA;

    Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6115, USA;

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

    A. Stainless steel; B. SIMS; B. STEM; B. XPS; C. Oxidation; C. Hydrogen permeation;

    机译:A.不锈钢;B。 SIMS;B。 STEM;B。 XPS;C。氧化;C.氢渗透;

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