准各向同性cfrp -铝合金单搭接接头的抗拉剪切强度特性

J. Shimura, M. Miyagawa, S. Kurosaki
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引用次数: 0

摘要

本研究的目的是阐明准各向同性层合cfrp与铝合金在拉伸剪切载荷作用下的粘接单搭接强度特性。采用三维有限元应力分析研究了粘接层的应力分布,采用拉剪试验测量了接头强度。此外,还研究了准各向同性cfrp层合结构对粘接层应力分布和抗拉剪切强度的影响。分析结果表明,如果粘接层附近的纤维方向倾斜,则会产生不对称的应力分布。实验结果证实,粘结层附近纤维取向角向接头纵向靠拢时,抗拉剪切强度有增大的趋势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Tensile Shear Strength Characteristics for Adhesively Single-lap Joints Composed of Quasi-isotropic Laminated CFRPs and Aluminum Alloy
The purpose of this study is to clarify the strength characteristics of the single-lap joints in which quasi-isotropic laminated CFRPs and an aluminum alloy are adhesively bonded and subjected to tensile shear load. Stress distribution at the adhesive layer was investigated by using three-dimensional finite element stress analysis, and joint strength was measured by tensile shear test. In addition, the effects of the lamination configuration of the quasi-isotropic laminated CFRPs on the adhesive layer stress distribution and tensile shear strength were examined. According to the analysis results, it was suggested that if the fiber direction near the adhesive layer was inclined, an asymmetrical stress distribution would occur. From the experimental results, it was confirmed that the tensile shear strength tended to increase as the fiber orientation angle near the adhesive layer approached the longitudinal direction of the joint.
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