Optimization analysis of Nd: YAG laser self-fluxing welding of Titanium alloy/stainless steel dissimilar metal by RSM
2019
The tensile load, weld depth-to-width ratio and IMCs layer thickness response value of 304 stainless steel / Ti6Al4V titanium alloy dissimilar metal joint under Nd: YAG pulsed laser self-fluxing welding condition were obtained by using the RSM of Box - Behnken design experiment. A multivariate nonlinear regression mathematical model was established by using the stepwise regression method to screen out the significant factors affecting the responses. The variance analysis and regression analysis show that the regression model probability ΔProb > ΔF is less than 0.001, which indicates that the regression equation can simulate the real surface well. The results show that there is a linear prop…
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