Abstract
Here Analytical Hierarchical Process (AHP) was used for optimization of weld strength of Al-8%SiC composite using Pulsed Current Tungsten Inert Gas (PCTIG) welding. The experiment was designed using Taguchi L9 OA. The parameters used as criteria were pulse on time, pulse frequency, peak current, base current, peak temperature and cooling rate. The optimum condition were at peak current of 160A, base current of 60A, pulse on time of 50%, pulse frequency of 5Hz and optimum values of peak temperature and cooling rate were 446°C/s and 20°C/s respectively.
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