Numerical Analysis of Resistance Spot Welded Joints Under Static Load

Authors : Chowdhury Mohammad Masud Reyad, Chowdhury Mohammad Masum Refat

Volume/Issue : Volume 5 - 2020, Issue 3 - March

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The resistance spot welding (RSW) is the methods which are including with thermal, involves, metallurgical, electrical and mechanical fields. In this process, the contact interaction related thermal, electrical and mechanical connection where thermal and electrical conduction over faying interface created intense affected by using mechanical connection pressure and temperature at this interface surface conditions and material composition. However, the portrayal of the contact associations frequently disentangled with no or constrained thought of a blend of impacts as referenced above in state-of-the-art models of numerical reproduction because of negligible accessibility of electrical and thermal contact obstruction information at different pressures and temperatures. From the previously conducted experiment, the Tensile-Shear test performed on the resistance spot weld joint yield that the maximum tensile capacity spot weld joint is in average 7.33KN. As a result, the shear stress of the welded joint is 145 MPa. In the simulation of the resistance spot joint, the Shear stress of the welded joint is 77.33 MPa. The reason behind the difference of experimented data and simulated data are atmosphere temperature, the hardness of the weld mass.

Keywords : Resistance Spot welded (RSW), Static Load, Shear stress, Resistance spot joint.


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