한국레이저가공학회지 (Laser Solutions)

한국레이저가공학회 (Korean Society of Laser Processing)
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저융점 금속분말 재료의 레이저 예열 선택적 용침

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

  • H. Sohn (Dept. of Advanced Industrial Technology, Korea Institute of Machinery ＆ Materials) ;
  • Lee, J. H. (Dept. of Advanced Industrial Technology, Korea Institute of Machinery ＆ Material) ;
  • J. Suh (Dept. of Advanced Industrial Technology, Korea Institute of Machinery ＆ Material) ;
  • D. Y. Yang (Dept. of Mechanical Engineering, Korea Advanced Institute of Science and Technology)
  • 발행 : 2004.04.01
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초록

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

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