Abstract
Abstract In Additive manufacturing, direct metal laser sintering (DMLS) is a technique for manufacturing of Metal bases 3D printing. Finely pulverized metal is melted using a high-energy fibre laser, by Island principle strategy produces mechanically and thermally stable metallic components with reduced thermal gradients, stresses & at high precision. Al-Si10-Mg alloys are being used in aircraft and automobile parts. However, this component is susceptible to lack of hardness and corrosion resistance when exposed to higher load bearing operations and industrial environments. The laser shot peening of Al-Si10-Mg prepared by DMLS process was found to enhance micro hardness of aluminium alloy. The formation of closed packed and oriented micro grains of metal atoms at interstitial layers have been ascertained from SEM and TEM studies. AFM measurements revealed that formation of micro rough surfaces and also dislocation of new grains have significantly contributed to enhancement of mechanical properties of Al-Si10-Mg alloys
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