Abstract
Aluminum alloy/aramid tiber reinforced plastic(AI/AFRP) laminates consists of high strength metal(AI5052) and laminated aramid tiber with structural adhesive bond. The mixture ratio effect of epoxy resin. curing agent. accelerator on the tensile strength and T-peel strength characteristic in A1/AFRP laminates were investigated in this study. The epoxy, diglycidylether of bisphenol A(DGEBA), was cured by methylene dianiline(MDA) with or without an accelerator(K-54). Eight different kinds of resin mixture ratios were selected for the test; tive kinds of AI/AFRP laminates were named as AUAFRP( I) and three others of Al/AFRP laminates were named as AI/AFRP(2). The comparison of tensile strength and T-peel strength with variation of resin mixture ratio were studied. Respectively, A1/AFRP( I) and A1/AFRP(2) indicated approximately 6.0 times and 7.0 times more improved maximum tensile strength in comparison with those of monolithic A15052. AI/AFRP(2) indicated approximately 1.5 times more impoved maximum T-peel strengths in comparison with those of Al/AFRP(I). As results. A1/AFRP(2) turned out to have more effective characteristics on the tensile strength and T-peel strength than those of A1/AFRP(I).
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