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Thermal stress induced by electric current in the vicinity of an elliptic inclusion in an infinite plate

机译:通过电流诱导的热应力在无限板中的椭圆夹杂物附近

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摘要

We consider an elliptic inclusion embedded in an infinite plate subjected to the simultaneous effects of electric current and energy flux at infinity. Using complex variable methods, we analyze the resulting mechanical properties of the composite, in particular around the perimeter of the inclusion. In doing so, we find that thermal stress can exist even in a simply connected region as a result of Joule heating which can therefore be used to preset stress in manufactured devices. In the particular case of the elliptic inclusion, we find that the electric current has the ability to transfer thermal stress to regions of lower temperature thereby improving security and reliability of the corresponding devices.
机译:我们考虑嵌入在无限的无限板中嵌入的椭圆夹杂物,其在无限远处在电流和能量通量的同时效果中进行。使用复杂的可变方法,我们分析了复合材料的所得到的机械性能,特别是围绕所述包含的周边。在这样做时,我们发现即使在简单连接的区域中也可以存在热应力,因此由于焦耳加热,因此可以用于预设制造装置中的应力。在椭圆夹杂物的特定情况下,我们发现电流具有将热应力传递到较低温度的区域,从而提高了相应装置的安全性和可靠性。

著录项

  • 来源
    《Journal of thermal stresses》 |2019年第9期|976-992|共17页
  • 作者单位

    Nanjing Univ Aeronaut & Astronaut State Key Lab Mech & Control Mech Struct Nanjing 210016 Jiangsu Peoples R China|Univ Alberta Dept Mech Engn Edmonton AB T6G 1H9 Canada;

    Nanjing Univ Aeronaut & Astronaut State Key Lab Mech & Control Mech Struct Nanjing 210016 Jiangsu Peoples R China;

    Univ Alberta Dept Mech Engn Edmonton AB T6G 1H9 Canada;

    Nanjing Univ Aeronaut & Astronaut State Key Lab Mech & Control Mech Struct Nanjing 210016 Jiangsu Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Electric current; elliptic inclusion; thermal stress;

    机译:电流;椭圆夹杂物;热应力;

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