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Laser-assisted Selective Infiltration of Low Melting-point Metal Powders

Laser-assisted Selective Infiltration of Low Melting-point Metal Powders

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  Laser-assisted selective infiltration is a new method of building metal layers to make metal parts layer by layer, in which superheated microscopic metal droplets are infiltrated into a laser-preheated layer of microscopic metal powders. In this work, the selective infiltration of a low melting-point metal, Sn-37Pb wt%, was conducted to investigate the effects of such dominant parameters as superheating temperature, Nd:YAG laser power for preheating, substrate temperature, etc. The optimal conditions for successful selective infiltration of a single layer of microscopic metal powder were experimentally obtained

Abstract<BR>1. Introduction<BR>2. Experimental setup<BR>3. Selective infiltration of a single droplet<BR>4. Selective infiltration of a series of droplets<BR>5. Conclusions<BR>6. References<BR>

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