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首页> 外文期刊>Journal of thermal stresses >Green's function for a line heat source acting on the surface of a coated isotropic thermoelastic material
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Green's function for a line heat source acting on the surface of a coated isotropic thermoelastic material

机译：格林热能作用于线型热源，该线型热源作用于涂覆的各向同性热弹性材料的表面

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摘要

Two-dimensional Green's function, for a line heat source acting on the surface of a coated isotropic thermoelastic material, is investigated in this paper to improve the understanding of interface mechanisms of coating/ substrate system. The coating and substrate are modeled as infinite layer and semi-infinite substrate respectively. They are perfectly bonded or are in smooth contact at the interface. Based on the two-dimensional general solution of isotropic thermoelastic materials expressed by harmonic functions, the corresponding harmonic functions with undetermined constants for coating and semi-infinite substrate are constructed, respectively. The thermoelastic field can be obtained by substituting the harmonic function into the general solution. The constants can be determined by the free surface boundary conditions and interface continuous conditions between the coating and the semi-infinite substrate. Numerical results are exhibited in the form of contours and some valuable conclusions for interface effect, interface shear debonding and coating tensile failure are presented.
机译：为了研究对涂层/基体系统的界面机理，本文研究了二维格林函数（Green Green function），该函数用于作用于涂层各向同性热弹性材料表面的线热源。涂层和基材分别建模为无限层和半无限基材。它们完美粘合或在界面处平滑接触。基于谐波函数表示的各向同性热弹性材料的二维通用解，分别构造了涂层和半无限大基体的相应的具有不确定常数的谐波函数。可以通过将谐波函数代入一般解来获得热弹性场。常数可以由涂层和半无限基底之间的自由表面边界条件和界面连续条件确定。数值结果以等高线的形式展示，并给出了一些关于界面效应，界面剪切剥离和涂层拉伸破坏的有价值的结论。

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  • 来源
    《Journal of thermal stresses》 |2019年第3期|279-293|共15页
  • 作者

    Tong Jie; Xu Zhen-Long; Li Jian-Ping; Zhang Yang; Hou Peng-Fei;

  • 作者单位

    Guangdong Inst Sci & Technol, Sch Mech & Elect Engn, Zhuhai 519090, Peoples R China|Hunan Univ, Dept Engn Mech, Changsha, Hunan, Peoples R China;

    Guangdong Inst Sci & Technol, Sch Mech & Elect Engn, Zhuhai 519090, Peoples R China;

    Guangdong Inst Sci & Technol, Sch Mech & Elect Engn, Zhuhai 519090, Peoples R China;

    Hunan Univ, Dept Engn Mech, Changsha, Hunan, Peoples R China;

    Hunan Univ, Dept Engn Mech, Changsha, Hunan, 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

    Coated; Green's function; interface; line heat source; thermoelastic;

    机译：涂层;格林函数;界面;线热源;热弹性;

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