40th International Conference on Production Engineering of Serbia
ICPES 2025
Nis, Serbia, 18-19th september 2025
MULTI-CRITERIA OPTIMIZATION OF CO2 LASER CUTTING OF METALS USING HYBRID AHP–TOPSIS APPROACH
A. Nagadeepan, M. Pranav, P. Santhosh, S. SivaShankaran, V. Senthilkumar
DOI: 10.46793/ICPES25.194N
The non-linear effects of the laser cutting process parameters and their interactions on the cut quality for ferrous and non-ferrous metals were difficult to predict. It is vital and complex to find the optimum process condition for a specific application and requires evaluation of a number of competing and distinct process performance characteristics. Various Multi Criterion Decision-Making (MCDM) techniques which are simple and logical are available to aid the selection of optimal combination of cutting parameters in the modern manufacturing processes. The laser cutting is one modern manufacturing process which is capable of cutting complex shapes in almost all the engineering materials and requires a variety of parameters and performance characteristics. To predict the non-linear effects in laser cutting, box-behnken design with three process parameters laser beam power, cutting speed and gas pressure was employed to design the experiments. The analytic hierarchy process (AHP) is used to predict the weightage among the responses and then technique for order of preference by similarity to ideal solution (TOPSIS) is used to optimize the process parameters associated with laser cutting of ferrous and non-ferrous alloys
CO2 laser cutting process, AHP, TOPSIS, MCDM, Boxbehnken, Aluminium 8011 alloy
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