| Abstract Scope |
Fretting wear was found to be one of the major problems encountered in automobile engine components. Therefore, to improve the surface characteristics of the Al alloys, laser nitriding was discovered as one of the efficient techniques. But this process requires a nitriding chamber, which restrains the viability in industrial applications, which includes large and intricate shapes. To mitigate this, in this research, laser nitriding was performed in an open atmosphere using a third harmonic (355nm) Nd+3: YAG laser accompanying liquid N2 gas purging. The AlN layer formed was confirmed using GI-XRD and EDS analysis. The effect of process parameters, for instance, gas flow rate (L/min) on the average roughness (Ra), hardness, and elevated temperature (250 ̊C) fretting wear performance were investigated in detail. |