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Öğe Strength and failure analysis of inverse Z joints bonded with Vinylester Atlac 580 and Flexo Tix adhesives(Springer, 2012-11) Adin, Hamit; Turgut, AydınIn this study, the tensile strength and failure loads of the inverse Z joints were analyzed both experimentally and numerically by using two adhesives with different properties under a tensile load. Vinylester Atlac 580 and Flexo Tix were used as adhesives and the joints were prepared with two different composite materials. Initially, the mechanical properties of the adhesives were specified using bulk specimens. Then, the stress analyses were performed using three-dimensional finite element method (3-D FEM) via Ansys (V.10.0.1). The experimental results were compared with the numerical results and they were found quite reasonable. According to the test results, it can be seen that when the adherend thickness is increased, the stress increases as well. The most appropriate value of the adherend thickness is identified as t = 5 mm. Furthermore, it was observed that the lowest failure load was obtained at t = 3 mm the thickness for each specimen.Öğe The investigation of the effect of angle on the failure load and strength of scarf lap joints(Elsevier, 2012-05-22) Adin, HamitIn this study, the effect of scarf angle on tensile strength of an epoxy adhesive was investigated bothexperimentally and numerically. Tensile tests were carried out using Scarf Lap Joints (SLJs). Commer-cially available epoxy (Atlac 580) was used as adhesive and fiber reinforced epoxy/glass (Hgw 2372Grade G10 EP GC 203) was used as adherends. The stress analyses were performed using a three-dimensional Finite Element Method (FEM). The FEM analyses were executed with Ansys (V.14.0.1).Experimental results were compared with the FEM results and found quite reasonable. The results haveindicated that when overlap angle increases, the failure load values also decrease in all joints.Öğe The effect of angle on the strain of scarf lap joints subjected to tensile loads(Elsevier, 2011-09-02) Adin, HamitIn this paper, the mechanical behavior of the scarf lap joints (SLJs) bonded with adhesive (Vinylester Atlac 580) under a tensile load was analyzed. The effects of scarf angle at the interface strain distributions of SLJs were examined. The stress analyses were performed via three dimensional Finite Element Method (3D-FEM). The 3D-FEM code employed was Ansys (12.0). Experimental results were compared with the 3D-FEM results and were found quite reasonable. The results indicated that the maximum values of the normalized epsilon(x) strain values were determined at 0 = 60 degrees in all joints.
