Development of Compositions of Aluminium Welding Fluxes Using Statistical Method

This paper describes the process of developing a model that relates the shear stresses in a gas welded aluminium alloy weldment with the corresponding flux constituent elements that make up the flux composition. This model, considering the initial composition ranges, from where 13 flux compositions were formulated and their shear stresses determined and transformed into a model. This model was used to develop 3 new flux compositions within the stipulated ranges. However, the weldments made from the 13 flux compositions were subjected to evaluation by some professional welders whose judgements about the quality of the weldments were evaluated by using the rank correlation coefficient method.