Thermal Modelling and Experimental Validation of TIG Welding Using ANSYS

The aim of the research is to establish an efficient and reliable approach for employing the finite element method to simulate the welding process. To forecast thermal cycles and thermal stresses of 304 stainless steel weld joints formed by TIG welding, finite element modelling with ANSYS was used. Thermal cycles measured by a data acquisition device were used to validate the numerically anticipated thermal cycles and temperature distribution. The model’s predictions for the fusion zone width were confirmed using the macrostructure of the weldment. The data acquisition equipment proved to be an effective tool for validating model predictions of temperature distribution in the weld joint. The model predictions and the experimentally observed values of temperature and fusion zone width were in good agreement. As a result, numerical modelling is an effective method for forecasting the effect of the welding process on weld characteristics.