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JWJ > Volume 31(6); 2013 > Article
Journal of KWJS 2013 December;31(6) :107-111.
Published online January 21, 2014.
doi:https://doi.org/10.5781/KWJS.2013.31.6.107
A Study on the Welding Distortion Analysis According to Rib Height in Fillet Welding
Yong-Rae Kim*, Gyu-Yeong Song**, Chao Wang***, Jae-Woong Kim***
*Dept. of Mechanical Engineering, Graduate School of Yeungnam University, Kyongsan-Kyongbuk 721-749, Korea
**Kyongbuk Hybrid Technology Institute, Yeongcheon-Kyongbuk 770-170, Korea
***School of Mechanical Engineering, Yeungnam University, Kyongsan-Kyongbuk 721-749, Korea
Correspondence: Jae-Woong Kim  Email: jaekim@ynu.ac.kr
  Published online January 21, 2014
ABSTRACT
The welding distortion is caused by welding heat in the structures which are widely used in shipbuilding and automotive industries, thus many researchers have proposed such methods to control the welding distortion through trials and numerical studies. The welding distortion has been the main cause of low productivity due to the structural strength degradation, apparent flaw, additional deformation caused by the process followed the current assembly step, and the increase of correction workload. The deformation of fillet welding is investigated in this study, and the influence of the rib height on the welding distortion is verified through the actual experiment. And the numerical analysis model using the FE software MSC.marc for analysis of welding distortion is proposed.
Keywords: Welding distortion | Longitudinal bending | Angular distortion | Finite element analysis
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