Investigating the performances of stepwise patched double lap joint

Wen Yen Chuang, Jia-Lin Tsai*


研究成果: Article同行評審

13 引文 斯高帕斯(Scopus)


An adhesive-bonded double-lap composites joint with stepwise attachments was proposed and investigated experimentally and numerically in this study. For the conventional double lap joint (DLJ), the high shear stress and peel stress taking place in the adhesive layer near the patch termination significantly influenced the joint strength. In order to diminish the amount of the stresses, a new design of stepwise patch was introduced in the fabrication of the double-lap joint. Based on the finite element stress analysis (FEA), it was found that both shear stress and peel stress within the adhesive layer were reduced appreciably by the employment of the stepwise attachment. In addition, experimental results illustrated that the double lap joint with stepwise patch exhibited not only higher joint strength, but also it showed longer fatigue life than the conventional double lap joints.

頁(從 - 到)44-50
期刊International Journal of Adhesion and Adhesives
出版狀態Published - 2013


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