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首页> 外文期刊>Nuclear fusion >Combined effects of crystallography, heat treatment and surface polishing on blistering in tungsten exposed to high-flux deuterium plasma
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Combined effects of crystallography, heat treatment and surface polishing on blistering in tungsten exposed to high-flux deuterium plasma

机译：结晶学，热处理和表面抛光对高通量氘等离子体暴露的钨中起泡的综合影响

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摘要

For tungsten exposed to low-energy hydrogen-plasmas, it has been thought that grains with <111> surface normal are most susceptible to blistering while those with <001> surface normal are virtually impervious to it. Here, we report results showing that non-uniformity of blister distribution depends on the state of the surface due to polishing. In electrochemically polished material blisters appear on the grains with all orientations, while in mechanically polished material blister-free areas associated with particular orientations emerge. On the other hand, blistering is shown to have a strong dependence on the level of deformation within particular grains in partially recrystallized material.
机译：对于暴露于低能氢等离子体的钨，人们认为具有<111>表面法线的晶粒最容易起泡，而具有<001>表面法线的晶粒几乎不能起泡。在这里，我们报告的结果表明，起泡分布的不均匀性取决于抛光引起的表面状态。在电化学抛光的材料中，气泡在所有方向上都出现在晶粒上，而在机械抛光的材料中，出现了与特定方向相关的无泡区域。另一方面，显示起泡与部分重结晶材料中特定晶粒内的变形程度有很大的关系。

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  • 来源
    《Nuclear fusion》 |2016年第8期|086007.1-086007.6|共6页
  • 作者

    Y. Zayachuk; I. Tanyeli; S. Van Boxel; K. Bystrov; T.W. Morgan; S.G. Roberts;

  • 作者单位

    Department of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, UK,Culham Centre for Fusion Energy, Culham Science Centre, Abingdon OX14 3DB, UK;

    FOM Institute DIFFER, Trilateral Euregio Cluster, De Zaale 20, 5612 AJ Eindhoven, The Netherlands;

    Culham Centre for Fusion Energy, Culham Science Centre, Abingdon OX14 3DB, UK;

    FOM Institute DIFFER, Trilateral Euregio Cluster, De Zaale 20, 5612 AJ Eindhoven, The Netherlands;

    FOM Institute DIFFER, Trilateral Euregio Cluster, De Zaale 20, 5612 AJ Eindhoven, The Netherlands;

    Department of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, UK,Culham Centre for Fusion Energy, Culham Science Centre, Abingdon OX14 3DB, UK;

  • 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

    tungsten; plasma exposure; deuterium plasma; blistering; orientation;

    机译：钨血浆暴露;氘血浆起泡取向;

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