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Laser Micro-Welding Process in which Magnetic Fields are Applied

자기장을 이용한 레이저 마이크로 접합 공정

  • Lee, Woo-Ram (Dept. of Nano IT Fusion Program, Seoul National University of Science, Graduate School of NID Fusion Technology) ;
  • Lee, Chul-Ku (Dept. of Mechanical Engineering, Seoul National University of Science) ;
  • Kim, Joo-Han (Dept. of Mechanical Engineering, Seoul National University of Science)
  • 이우람 (NID 융합기술 대학원 나노 IT 융합프로그램) ;
  • 이철구 (서울과학기술대학교 기계공학과) ;
  • 김주한 (서울과학기술대학교 기계공학과)
  • Received : 2011.06.29
  • Accepted : 2011.10.04
  • Published : 2011.12.01

Abstract

We have conducted a study on stainless steel laser-welding materials by using a laser beam for the evaluation. Stainless steel used in a rust and excellent thermal deformation has a variety of application. In this study, to improve the mechanical properties of stainless steel, a 50 W laser thermal source is used and magnetic fields are applied, on the basis of suggestions. The mechanical properties and performance are evaluated by performing a numerical analysis, tensile test, and shape, microstructure, and hardness test. The results show that the mechanical properties of improve increased speed the melting pool, tensile strength of 16 kPa rise, run into the melting zone and hardness 7 Hv.

Keywords

Laser;Laser Welding;Magnetic Field;Stainless Steel;Melt Pool

Acknowledgement

Supported by : 한국연구재단

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