Abstract
The efficient and economic structures are high in demand in various firms due to the requirement of lightweight, a feasible joining of similar/dissimilar materials, safety and high durability. Adhesively bonded multi-material joints are coming into use in various structural applications due to the potential utilization of the merits of individual constituents. This research work provides the importance of adhesively bonded joints with different material combinations, which in turn were investigated experimentally. The present paper involves joining of tin as metal and glass fiber reinforced polymer (GFRP) as composite resulting in combinations as GFRP-GFRP, GFRP-Metal, and Metal-Metal Single lap joints (SLJs). The lap joint efficiency test results revealed that the highest lap shear strength was exhibited by GFRP-GFRP SLJ, amounting to a value of 6.84 ± 0.08 MPa. A decrement of 10.98% and 33.17% was recorded for Metal to GFRP and Metal-Metal SLJs, respectively. Similar trend was observed in maximum load underwent by different SLJs, where in GFRP-GFRP SLJ exhibited the highest load bearing capacity of 4280 ± 25 N. The Metal-Metal SLJs indicated the highest shear stiffness value of 4.48 MPa/mm, whereas the GFRP-Metal yielded into the highest toughness value of 21.56 ± 0.44 MPa*mm. Further, the fracture surfaces of SLJs revealed that there was a combination of cohesive and adhesive failures.
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