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Article Dans Une Revue Materials Characterization Année : 2008

Galvanised steel to aluminium joining by laser and GTAW processes,

G. Sierra
  • Fonction : Auteur
P. Peyre
  • Fonction : Auteur
Frederic Deschaux-Beaume
D. Stuart
  • Fonction : Auteur
Gilles Fras
  • Fonction : Auteur
  • PersonId : 891171

Résumé

A new means of assembling galvanised steel to aluminium involving a reaction between solid steel and liquid aluminium was developed, using laser and gas tungsten arc welding (GTAW) processes. A direct aluminium melting strategy was investigated with the laser process, whereas an aluminium-induced melting by steel heating and heat conduction through the steel was carried out with the GTAW process. The interfaces generated during the interaction were mainly composed of a 2-40 μm thick intermetallic reaction layers. The linear strength of the assemblies can be as high as 250 N/mm and 190 N/mm for the assemblies produced respectively by laser and GTAW processes. The corresponding failures were located in the fusion zone of aluminium (laser assemblies), or in the reaction layer (GTAW assemblies).

Dates et versions

hal-00562409 , version 1 (03-02-2011)

Identifiants

Citer

G. Sierra, P. Peyre, Frederic Deschaux-Beaume, D. Stuart, Gilles Fras. Galvanised steel to aluminium joining by laser and GTAW processes,. Materials Characterization, 2008, 59, pp.1705-1715. ⟨10.1016/j.matchar.2008.03.016⟩. ⟨hal-00562409⟩
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