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A Study on Tribological Behaviour of Electro Discharge Deposited ZE41A Magnesium Alloy Using Wear Map

Elaiyarasan U., Satheeshkumar Vinaitheerthan, Senthilkumar Chinnamuthu

Archives of Metallurgy and Materials

2021

Vol. 66, iss. 2

391--396

The paper studied the tribological behaviour of electro discharge deposited ZE41A magnesium alloy using wear map. The wear experiments are conducted using pin on disc technique for different parameters such as applied load (1.5 kg-3.5 kg), sliding speed (100 rpm-200 rpm) and sliding time (3 min-7 min). Wear mechanism map is constructed by taking the applied load on y-axis and sliding speed on x-axis. The wear mechanism map is utilized to study the dominance of particular wear mechanism that dominates particular wear regimes such as mild wear, severe wear and ultra severe wear. It is observed that the wear rate increased with increased the applied load and sliding speed. Various mechanisms such as abrasion, oxidation, delamination and melting are identified through scanning electron microscope (SEM).