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Influence of Shot Peening on the Wear Behaviour of Medium Carbon Steel

Vicen Martin, Bokůvka Otakar, Trško Libor, Drbul Mário, Nikolić Ružica, Nový František

Production Engineering Archives

2022

Vol. 28, Iss. 3

241--245

Influence of shot peening on the wear behaviour of medium carbon, C55 steel was experimentally verified. Experimental work included determination of the chemical composition, heat treatment, microstructure evaluation, mechanical properties measurement, shot peening treatment, the magnitude of the compressive residual stresses was evaluated, roughness profiles measurement and finally the friction tests. The results evidence the significant role played by the applied shot peening on wear behaviour of medium carbon steel. An important effect of surface roughness has been demonstrated. The coefficient of friction after shot peening compared to ground surface increased, 1.44 – 1.85 times.