Numerical analysis of double-electrode gas metal arc welding process

C. S. Wu, M. X. Zhang, K. H. Li, Y. M. Zhang

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

With consideration of process characteristics of the newly developed DE-GMAW (double-electrode gas metal arc welding), a finite element analysis (FEA) model is developed to numerically analyze this novel process. To this end, the authors have extended the functions of SYSWELD, a standard software package for numerical analysis of welding processes; simplified the method for processing the weld reinforcement; and proposed an appropriate mode for the welding heat source in this novel process. Based on the FEA results of temperature profile in DE-GMAW, the weld dimension at cross section and temperature distribution are obtained. The predicted and experimentally measured results match satisfactorily. The results show that DE-GMAW has advantages in terms of increasing deposition rate, lowering heat input to base metal, and reducing residual stress and distortion.

Original languageEnglish
Pages (from-to)416-423
Number of pages8
JournalComputational Materials Science
Volume39
Issue number2
DOIs
StatePublished - Apr 2007

Bibliographical note

Funding Information:
This study is supported by the National Science Foundation, Arlington, VA, USA under Grant DMI-0355324, and the Specialized Research Fund for the Doctoral Program of Higher Education in China (Grant No. 20050422027).

Keywords

  • DE-GMAW process
  • Finite-element analysis
  • Prediction
  • Residual stress and distortion
  • Weld dimension

ASJC Scopus subject areas

  • General Computer Science
  • General Chemistry
  • General Materials Science
  • Mechanics of Materials
  • General Physics and Astronomy
  • Computational Mathematics

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