Analysis of variables in finite element analysis for multi-pass welding in nuclear power plant components, part 2: Focused study on the effect of annealing parameter on hardening behavior
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This paper investigates the influence of annealing conditions on predicting hardening behavior in weld zone using finite element analysis (FEA) for welding simulations. Experimental welding tests were conducted on scientific plate and pipe specimens using Gas Tungsten Arc Welding (GTAW). Hardness data taken from various positions within the weld zones were converted into accumulated plastic strain using a derived hardness-plastic strain relation. FEA of the welding, considering different annealing temperatures, were performed and the results were compared with experimental data. This study demonstrates the necessity of incorporating annealing conditions to accurately predict hardening behavior, highlighting the importance of selecting appropriate annealing temperatures
Abstract
This paper investigates the influence of annealing conditions on predicting hardening behavior in weld zone using finite element analysis (FEA) for welding simulations. Experimental welding tests were conducted on scientific plate and pipe specimens using Gas Tungsten Arc Welding (GTAW). Hardness data taken from various positions within the weld zones were converted into accumulated plastic strain using a derived hardness-plastic strain relation. FEA of the welding, considering different annealing temperatures, were performed and the results were compared with experimental data. This study demonstrates the necessity of incorporating annealing conditions to accurately predict hardening behavior, highlighting the importance of selecting appropriate annealing temperatures