Abstract
The main objective of this paper is analyzed the welding temperature and stress field distribution in aluminum based nano composite plates by varying the different welding parameters of Tungsten Inert gas welding (TIG). The residual stresses of the welded butt joint and unfitness joints of Aluminium based Nano Composite (ABNC) plates are predicted by conducting tensile test; as the results are shown with the unfitness of the weld joint, which had a greater impact on the welding residual stresses than that of the interval. The simulated and experimental results are compared with each other samples. With the help of a mathematical model, the effect of welding parameters such as heat input of the weld, preheating of the work piece and moving velocity of heat source on weld penetration in moderately thick plates are discussed in this experimental work. Hence the steady state temperature profiles of welded ABNC plates are solved by finite difference method. The simulated values are verified with the experimental results in addition to comparison with that of previous experiment result. The predicted values from the proposed ABNC models are compared favorably with the experimental data of welded ABNC samples.
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