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Optimization of tribology parameters of AZ91D magnesium alloy in dry sliding condition using response surface methodology and genetic algorithm

100%

Beniyel M. , Sivapragash M. , Vettivel S. C. , Senthil Kumar P. , Ajith Kumar K. K. , Niranjan K.

Bulletin of the Polish Academy of Sciences. Technical Sciences

2021

tom Vol. 69, nr 1

art. no. e135835

In the present research, the wear behaviour of magnesium alloy (MA) AZ91D is studied and optimized. MA AZ91D is casted using a die-casting method. The tribology experiments are tested using pin-on-disc tribometer. The input parameters are sliding velocity (1‒3 m/s), load (1‒5 kg), and distance (0.5‒1.5 km). The worn surfaces are characterized by a scanning electron microscope (SEM) with energy dispersive spectroscopy (EDS). The response surface method (RSM) is used for modelling and optimising wear parameters. This quadratic equation and RSM-optimized parameters are used in genetic algorithm (GA). The GA is used to search for the optimum values which give the minimum wear rate and lower coefficient of friction. The developed equations are compared with the experimental values to determine the accuracy of the prediction.

Optimization of tribology parameters of AZ91D magnesium alloy in dry sliding condition using response surface methodology and genetic algorithm

94%

Beniyel M. , Sivapragash M. , Vettivel S. C. , Senthil Kumar P. , Ajith Kumar K. K. , Niranjan K. , Beniyel M. , Sivapragash M. , Vettivel S. C. , Senthil Kumar P. , Ajith Kumar K. K. , Niranjan K.

nr 1