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Non-linear investigation of overlap length effect on torsional capacity of tubular adhesively bonded joints

机译：重叠长度对管状胶粘接头扭转能力的非线性影响

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摘要

Adhesively bonded joints are widely used due to their ease of fabrication, maintenance and controllable stress distribution in the overlap region. There are extensive investigations in literature that characterize the behavior of bonded joints with different geometries and materials (i.e. isotropic and anisotropic) and subject to various loading conditions. Although much work has been done on this subject, investigation into the effect of the material non-linearity on joint behavior is scarce.rnOur earlier experimental and numerical works revealed interesting, yet unpredictable results. This paper aims at addressing some of the ambiguities experienced in our previous work. The paper presents the development of numerical models of tubular joints made of composite/metallic adherends, subject to high strain fields as a result of torsional loading, with the consideration of both material and geometrical non-linearity. The results showed that the non-linearity of the adherends' materials at high strain magnitudes played an important role in governing the bond efficiency in joints whose overlap length surpassed a certain limit. It was also realized that joints performance was also significantly affected by fabrication related issues.
机译：胶接接头由于其易于制造，维护和在重叠区域的应力分布易于控制而被广泛使用。文献中进行了广泛的研究，以表征具有不同几何形状和材料（即各向同性和各向异性）并承受各种载荷条件的粘结接头的性能。尽管在这个问题上已经做了大量工作，但是对于材料非线性对关节行为的影响的研究却很少。我们早期的实验和数值研究表明，结果有趣而又不可预测。本文旨在解决我们先前工作中遇到的一些歧义。本文介绍了由复合材料/金属被粘物制成的管状接头数值模型的发展，该模型在承受扭转载荷的情况下承受高应变场，同时考虑了材料和几何非线性。结果表明，高应变强度的被粘物材料的非线性在控制重叠长度超过一定极限的接头的粘结效率中起着重要作用。还意识到，接头性能也受到与制造相关的问题的显着影响。

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  • 来源
    《Composite Structures》 |2009年第2期|186-195|共10页
  • 作者

    Ramin Hosseinzadeh; Farid Taheri;

  • 作者单位

    Department of Civil and Resource Engineering, Dalhousie University, 1360 Banington Street, Halifax, NS, Canada B3J 1Z1;

    Department of Civil and Resource Engineering, Dalhousie University, 1360 Banington Street, Halifax, NS, Canada B3J 1Z1;

  • 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

    adhesively bonded joint; tubular; adherend; composite; aluminum; torsion;

    机译：胶接接头管状被粘物综合;铝;扭力;

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