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Welding Heat Source Modeling for Heat Flow Analysis of GTA Overlay Welding

GTA 오버레이 용접부의 열유동 해석을 위한 용접열원 모델링

  • Kim, Yong-Rae (Dept. of Mechanical Engineering, Graduate School of Yeungnam University) ;
  • Chae, Hyunbyung (Welding and Joining Research Group of POSCO) ;
  • Kim, Jae-Woong (School of Mechanical Engineering, Yeungnam University)
  • 김용래 (영남대학교 대학원 기계공학과) ;
  • 채현병 (포스코기술연구원 접합연구그룹) ;
  • 김재웅 (영남대학교 공과대학 기계공학부)
  • Received : 2013.07.09
  • Accepted : 2013.07.30
  • Published : 2013.08.31

Abstract

Overlay welding is carried out to improve the corrosion resistance, wear resistance and heat resistance on the surface of the chemical plant and steelmaking plant structures. In overlay welding, control of the bead size and the temperature distribution of weldment are particularly important because that is directly connected to the improvement of quality and productivity. The aim of this study is to model the welding heat source that is very useful to analyze the bead size and temperature distribution of weldment. To find the welding heat source model, numerical analyses are performed by using FE software MSC-marc.

Keywords

References

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Cited by

  1. An Experimental Study on Prediction of Bead Geometry for GTA Multi-pass Welding in Underhead Position vol.32, pp.1, 2014, https://doi.org/10.5781/JWJ.2014.32.1.53