Journal of Materials Science

, Volume 42, Issue 18, pp 7956–7963 | Cite as

Welding of aluminium by the MIG process with indirect electric arc (MIG-IEA)

  • R. GarcíaEmail author
  • V. H. López
  • E. Bedolla


A novel modification of the metal inert gas (MIG) welding method, which was developed to weld metal matrix composites, was applied to join plates of aluminium 12.5 mm thick. The plates were prepared with square edges and with a small single-V preparation with an angle of 45° in the upper part. The electric arc was indirectly applied on the single-V butt weld over strips of Al-2024 placed on top of the joint. Thermal analysis showed that the efficiency of the MIG process with indirect electric arc (IEA) is increased due to the reduction of heat losses and fully penetrated welds with a high depth-to-width ratio can be produced as compared to plain MIG welding in which partial penetration and lack of lateral fusion were observed. Microstructural examination of the welds revealed distinct characteristics such as partially melted grains trapped within the weld next to the fusion line for IEA welds and the typical epitaxial and columnar growth from the base metal partially melted grains for plain welds, i.e. direct application of the electric arc (DEA).


Welding Base Metal Weld Metal Welding Process Weld Pool 



The authors would like to thank Coordinación de la Investigación Científica of the UMSNH for funding this study and to Dra. Lourdes Mondragón from Instituto Tecnologico de Morelia for the facilities consented in the use of the SEM.


  1. 1.
    American Welding Society (1976) Welding handbook, 7th edn, vol 1. American Welding Society, p 71Google Scholar
  2. 2.
    Dupont JN, Murder AR (1995) Weld J 74:406Google Scholar
  3. 3.
    Furschbach PW, Knorovsky GA (1991) Weld J 70:287Google Scholar
  4. 4.
    Choo RT, Szekely J, Westhoff RC (1990) Weld J 60:346Google Scholar
  5. 5.
    Kim YS, Mceligot DM, Wagar TW (1991) Weld J 70:20Google Scholar
  6. 6.
    Lu MJ, Kou S (1989) Weld J 68:382Google Scholar
  7. 7.
    Lu MJ, Kou S (1989) Weld J 68:452Google Scholar
  8. 8.
    Kim JW, Na SJ (1995) Weld J 74:141Google Scholar
  9. 9.
    Cao ZN, Dong P (1998) ASME J Eng Mater Tech 120:313CrossRefGoogle Scholar
  10. 10.
    Garcia R, Lopez VH, Bedolla E, Manzano A (2000) J Mater Sci Lett 21:1965CrossRefGoogle Scholar
  11. 11.
    Garcia R, Lopez VH, Bedolla E, Manzano A (2003) J Mater Sci 38:2771CrossRefGoogle Scholar
  12. 12.
    Malin V (1995) Weld J 74:305-sGoogle Scholar
  13. 13.
    Rosenthal D (1946) Trans ASME 68:849Google Scholar
  14. 14.
    Christensen N, de Davies VL, Gjermundsen K (1965) Br Weld J 12:54Google Scholar

Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Instituto de Investigaciones MetalúrgicasUniversidad Michoacana de San Nicolás de HidalgoMoreliaMéxico

Personalised recommendations