• evaluation of performance and effect of circular composite patch dimensions on one-sided and two-sided repair of cracked plate

    نویسندگان :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1401/01/14
    • تاریخ انتشار در تی پی بین: 1401/01/14
    • تعداد بازدید: 211
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس ژورنال: 09361578210

    evaluation of performance and effect of circular composite patch dimensions on one-sided and two-sided repair of cracked plate

    in this research, the performance of circular composite patch in repairing cracked plate and the effect of patch dimensions and adhesive thickness on repair efficiency have been evaluated and repaired cracked aluminum plate with one-sided and two-sided composite patches, modeled in 3d in abaqus software.

    in this study, by considering different thicknesses and diameters for composite patches made of boron, graphite and glass-epoxy, as well as different thicknesses for the adhesive layer, the effect of patch dimensions and adhesive thickness on repair efficiency has been investigated.

    the results of this study show that for all three composite patches, increasing the thickness of the patch in onesided and two-sided repair reduces the stress intensity factor and increasing the diameter of the glass patch in one-sided repair has almost no effect on efficiency, but increasing the diameter of boron and graphite patches slightly increases the stress intensity factor and in two-sided repair, increasing the diameter of all three patches reduces the stress intensity factor. the results also show that increasing the thickness of the adhesive increases the stress intensity factor, but on the other hand, reduces the maximum von mises stress in the adhesive layer.

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