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首页> 外文期刊>Smart structures and systems >Creep of stainless steel under heat flux cyclic loading (500-1000°C) with different mechanical preloads in a vacuum environment using 3D-DIC
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Creep of stainless steel under heat flux cyclic loading (500-1000°C) with different mechanical preloads in a vacuum environment using 3D-DIC

机译：在热通量循环加载（500-1000°C）下的不锈钢蠕动，使用3D-DIC在真空环境中具有不同的机械预载荷

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摘要

In nuclear fusion reactors, the key structural component (i.e., the plasma-facing component) undergoes high heat flux cyclic loading. To ensure the safety of fusion reactors, an experimental study on the temperature-induced creep of stainless steel under heat flux cyclic loading was performed in the present work. The strains were measured using a stereo digital image correlation technique (3D-DIC). The influence of the heat haze was eliminated, owing to the use of a vacuum environment. The specimen underwent heat flux cycles (500 degrees C-1000 degrees C) with different mechanical preloads (0 kN, 10 kN, 30 kN, and 50 kN). The results revealed that, for a relatively large preload (for example, 50 kN), a single temperature cycle can induce a residual strain of up to 15000 mu epsilon.
机译：在核融合反应器中，关键结构组分（即，血浆面向等离子体组分）经历高热通量环状载荷。为了确保熔融反应器的安全性，在本作工作中进行了对热通量环状负载下的不锈钢温度诱导的蠕变的实验研究。使用立体声数字图像相关技术（3D-DIC）测量菌株。由于使用真空环境，消除了热雾雾的影响。标本用不同机械预载荷（0kN，10kN，30kN和50kN）进行热通量循环（500摄氏度C-1000摄氏度）。结果表明，对于相对大的预载（例如，50kN），单个温度循环可以诱导高达15000μmε的残余菌株。

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  • 来源
    《Smart structures and systems》 |2019年第6期|759-768|共10页
  • 作者

    Su Yong; Pan Zhiwei; Peng Yongpei; Huang Shenghong; Zhang Qingchuan;

  • 作者单位

    Univ Sci & Technol China Dept Modern Mech CAS Key Lab Mech Behav & Design Mat Hefei 230027 Anhui Peoples R China|Anhui Chungu 3D Printing Inst Intelligent Equipme IAT Chungu Joint Lab Addit Mfg Wuhu 241200 Peoples R China;

    Univ Sci & Technol China Dept Modern Mech CAS Key Lab Mech Behav & Design Mat Hefei 230027 Anhui Peoples R China;

    Univ Sci & Technol China Dept Modern Mech CAS Key Lab Mech Behav & Design Mat Hefei 230027 Anhui Peoples R China;

    Univ Sci & Technol China Dept Modern Mech CAS Key Lab Mech Behav & Design Mat Hefei 230027 Anhui Peoples R China;

    Univ Sci & Technol China Dept Modern Mech CAS Key Lab Mech Behav & Design Mat Hefei 230027 Anhui Peoples R China;

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

    digital image correlation; nuclear fusion; high temperature measurement; creep; vacuum chamber;

    机译：数字图像相关;核聚变;高温测量;蠕变;真空室;

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