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Metallurgical and Materials Transactions A

, Volume 44, Issue 6, pp 2672–2682 | Cite as

Characterization of Joints Between Aluminum and Galvanized Steel Sheets

  • Rajashekhara Shabadi
  • Michel Suery
  • Alexis Deschamps
Article

Abstract

Sound joints between an AA6016 aluminum sheet of 1.2-mm thickness and a low-carbon galvanized steel sheet of 0.77-mm thickness are obtained using the laser pseudo-brazing method. A zinc-based aluminum alloy is used as a filler wire with optimized process parameters for laser pseudo-brazing. Metallurgical investigation of the joint is carried out using a scanning electron microscope and energy-dispersive X-ray analysis. Joints produced using Al-Zn filler wire showed a moderate strength and quality with a layer containing principally Fe2Al5Zn x type intermetallics of ~10-μm thickness. Failure in the heat-affected zone of aluminum is found to be dominative, while in some cases, fracture along the interface between the intermetallic layer and the steel sheet is observed.

Keywords

Welding Steel Sheet Weld Pool Fusion Zone Friction Stir Welding 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

The authors thank A. Mathieu (IUT, Le Creusot, France) for preparing the samples and the Director of SIMAP (INP de Grenoble) for permitting use of the facility to carry out this work.

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Copyright information

© The Minerals, Metals & Materials Society and ASM International 2013

Authors and Affiliations

  • Rajashekhara Shabadi
    • 1
    • 2
  • Michel Suery
    • 3
  • Alexis Deschamps
    • 1
  1. 1.SIMAP-PM, CNRSUniversité de GrenobleSaint Martin ďHèresFrance
  2. 2.UMET, University of Science and TechnologyVilleneuve ďAscqFrance
  3. 3.SIMAP-GPM2, CNRSUniversité de GrenobleSaint Martin ďHèresFrance

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