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Evaluating the strengths of thick aluminum-to-aluminum joints with different adhesive lengths and thicknesses

机译:评估具有不同粘合剂长度和厚度的厚铝-铝接头的强度

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摘要

Composite joints are often the weakest elements in composite structures. In this paper, we propose a modified version of the damage zone theory based on the yield strain ratio. We use this framework to predict failure loads for various adhesive joints. Thick aluminum-to-aluminum joint specimens with eight different adhesive lengths and four adhesive thicknesses were manufactured and tested. The strengths of different adhesive lengths could be predicted to within 15.4% using the damage zone ratio method. In addition, the strengths of joints that feature different adhesive thicknesses were predicted to within 16.3% using the damage zone ratio method.
机译:复合节点通常是复合结构中最弱的元素。在本文中,我们基于屈服应变比提出了损伤区理论的改进版本。我们使用此框架来预测各种粘合接头的破坏载荷。制造并测试了具有八种不同粘合剂长度和四种粘合剂厚度的厚铝-铝接头样品。使用损伤区域比率法,可以预测不同粘合剂长度的强度在15.4%以内。此外,使用损伤区域比率法预测具有不同粘合剂厚度的接头的强度在16.3%以内。

著录项

  • 来源
    《Composite Structures》 |2010年第9期|2226-2235|共10页
  • 作者单位

    Research Center for Aircraft Parts Technology, School of Mechanical and Aerospace Engineering, Gyeongsang National University, Jinju, Gyeongnam 660-701, Republic of Korea;

    rnResearch Center for Aircraft Parts Technology, School of Mechanical and Aerospace Engineering, Gyeongsang National University, Jinju, Gyeongnam 660-701, Republic of Korea;

    rnResearch Center for Aircraft Parts Technology, School of Mechanical and Aerospace Engineering, Gyeongsang National University, Jinju, Gyeongnam 660-701, Republic of Korea;

  • 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

    adhesive joint; damage zone theory; cohesive failure;

    机译:胶接损伤区理论内聚破坏;

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