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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Peyre, P.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2017Laser offset welding of AZ31B magnesium alloy to 316 stainless steelcitations
- 2016Laser offset welding of AZ31B magnesium alloy to 316 stainless steelcitations
- 2012Surface Finish Issues after Direct Metal Deposition
- 2009Direct fabrication of a Ti-47Al-2Cr-2Nb ally by selective laser melting and direct metal deposition processescitations
- 2008Analytical and numerical modelling of the direct metal deposition laser processcitations
- 2008Galvanised steel to aluminium joining by laser and GTAW processes,citations
- 2008Galvanised steel to aluminium joining by laser and GTAW processescitations
- 2007Steel to aluminium joining by laser and TIG reactive wettingcitations
- 2007Generation of aluminum-steel joints with laser-induced reactive wettingcitations
- 2006Which laser process for steel to aluminium joining ?
- 2005Steel to aluminium brazing by laser and TIP processes
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article
Steel to aluminium joining by laser and TIG reactive wetting
Abstract
The laser joining of a low carbon steel to a 6000 series aluminium alloy was realised in key-hole welding mode in a steel-on-aluminium overlap configuration and was investigated in a three-fold approach: (1) process optimisation, (2) material characterisation and (3) mechanical testing. No-defect welds, composed of a solid solution of aluminium in iron and richer aluminium “white solute bands” of FeAl phases were obtained when limiting steel penetration in aluminium to below 500 m. Embrittlement of the joining zone was observed, mainly located on the weld–aluminium interfaces composed of Fe2Al5 and/or FeAl3 phases with thicknesses between 5 m and 20 m. Limiting penetration to below 500 m allowed to restrict steel to aluminium dilution in order to confine the hardness of the welds. With such penetration depths, up to 250 N/mm in linear strength could be achieved, with failures located in the weld–aluminium interfaces. Increasing penetration depth led to a change in the assembly weak points (in the weld and on the steel–weld interfaces) and induced a severe decrease in strength.