| 复合材料胶接修补件力学性能的实验研究与数值模拟 |
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| 引用本文： | 李绍春,熊峻江.复合材料胶接修补件力学性能的实验研究与数值模拟[J].材料工程,2011(6):11-16. |
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| 作者姓名： | 李绍春 熊峻江 |
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| 作者单位： | 北京航空航天大学飞行器运用系; |
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| 基金项目： | 国家自然科学基金资助项目(E050603); 航空科学基金资助项目(20095251024) |
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| 摘 要： | 进行复合材料修补的铝合金板的静强度实验,测定载荷-位移曲线,分析破坏机理,并讨论了胶层材料性能、复合材料补片性能与厚度等因素对修补件静强度的影响;建立了修补件的三维有限元模型,模拟修补件的载荷-位移曲线和应力分布,验证了模型的有效性;根据应力分布计算结果和失效准则,预测初始损伤及裂纹产生的位置,并估算破坏强度,预测结果...
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| 关 键 词： | 胶接修补 复合材料补片 力学性能 数值模拟 破坏预测 |
Experimental Investigation and Numerical Simulation on Mechanical Properties of Notched Metallic Panels Repaired with Bonded Composite Patch |
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| LI Shao-chun,XIONG Jun-jiang.Experimental Investigation and Numerical Simulation on Mechanical Properties of Notched Metallic Panels Repaired with Bonded Composite Patch[J].Journal of Materials Engineering,2011(6):11-16. |
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| Authors: | LI Shao-chun XIONG Jun-jiang |
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| Affiliation: | LI Shao-chun,XIONG Jun-jiang(Aircraft Department,Beihang University,Beijing 100191,China) |
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| Abstract: | Static strength tests of notched aluminum alloy panels repaired with bonded composite patch were conducted to determine the load-displacement curves and to understand failure mode and mechanism as well as to investigate the effects of the behaviour of adhesives,mechanical properties and thickness of composite patch on static strength of repaired panels.The three-dimensional finite element model was established to simulate the load-displacement curves and stress patterns of repaired panel,demonstrating the v... |
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| Keywords: | bonded repair composite patch mechanical property numerical simulation failure predicted |
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