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金属单搭胶接加强板接头力学性能分析

王玉奇, 何晓聪, 曾凯, 郉保英

王玉奇, 何晓聪, 曾凯, 郉保英. 金属单搭胶接加强板接头力学性能分析[J]. 焊接学报, 2017, 38(5): 7-12. DOI: 10.12073/j.hjxb.20170502
引用本文: 王玉奇, 何晓聪, 曾凯, 郉保英. 金属单搭胶接加强板接头力学性能分析[J]. 焊接学报, 2017, 38(5): 7-12. DOI: 10.12073/j.hjxb.20170502
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WANG Yuqi, HE Xiaocong, ZENG Kai, XING Baoying. Research of mechanical properties of adhesive bonding of single lap joints with reinforcements[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(5): 7-12. DOI: 10.12073/j.hjxb.20170502
Citation: WANG Yuqi, HE Xiaocong, ZENG Kai, XING Baoying. Research of mechanical properties of adhesive bonding of single lap joints with reinforcements[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(5): 7-12. DOI: 10.12073/j.hjxb.20170502
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金属单搭胶接加强板接头力学性能分析

  • 昆明理工大学 机电工程学院创新制造技术研究所, 昆明 650000

基金项目: 国家科技重大专项资助项目（2012ZX04012-031）；国家自然科学基金资助项目（5565023）

Research of mechanical properties of adhesive bonding of single lap joints with reinforcements

  • Innovative Manufacturing Research Centre, Faculty of Mechanical and Electrical Engineering, Kunming University of Science and Technology, Kunming 650000, China

摘要

    摘要
  • 摘要: 为研究金属单搭胶接加强板接头的力学性能，文中先后对铝合金5052单搭胶接（简称AA）接头、铝合金5052单搭胶接加强板（AAT）接头进行静力学测试和疲劳性能测试，引入正态分布和威布尔分布对试验数据进行分析检验其有效性，并采用扫描电子显微镜对疲劳失效胶层进行微观分析.结果表明，AA接头和AAT接头的疲劳试验数据具有较好的规律性，与AA接头相比，AAT接头拉伸-剪切强度提高3.8%，端部弯曲度降低38.5%，能量吸收量提高60.2%，疲劳强度提高33.3%.
    Abstract: In order to enhance the mechanical properties of adhesive bonding of single lap joints (SLJs), the adhesive bonding of SLJs with reinforcements was designed based on Goland and Reissner's one-dimensional beam theory model. The adhesive bonding of SLJs whose adherends were aluminum alloy 5052 (AA joints), Al5052 with reinforcement (AAT joints) were separately tested under tension-shear loading and fatigue load, and the effectiveness of experimental data was analyzed by Normal distribution and Weibull distribution. The results show that the mechanical properties of joints are influenced by the stiffness at the end of the overlap region. The static strength of AAT joints increased by 3.8%. The energy absorption capacity of AAT joints increased by 60.2%. The deformation of AAT joints reduced by 38.5%. The fatigue properties of AAT joints increased by 30.3%.
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    • 参考文献(10)
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    [2] 游 敏, 李 智, 赵美蓉, 等. 铝胶焊双搭接接头上应力分布的数值分析[J]. 焊接学报, 2009, 30(11): 13-16. You Min, Li Zhi, Zhao Meirong, et al. Numerical analysis on stress distribution in adhesive-welded double lap joint of aluminum[J]. Transactions of the China Welding Institution, 2009, 30(11): 13-16.
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    [8] 王玉奇, 何晓聪, 丁燕芳, 等. 基于一维梁理论模型的金属单搭胶接贴片接头强度分析[J]. 上海交通大学学报(自然科学版), 2015, 49(1): 28-33. Wang Yuqi, He Xiaocong, Ding Yanfang, et al. Analysis of strength of adhesive bonding of single lap joints with reinforcements based on one-dimensional beam theory[J]. Journal of Shanghai Jiaotong University, 2015, 49(1): 28-33.
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出版历程
  • 收稿日期:  2015-05-14

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