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Perspectives for the application of variable thickness aluminium tubes in hydroforming of complex tubes

Bihamta Reza, Bui Quang-Hien, Guillot Michel, D'Amours Guillaume, Rahem Ahmed et Fafard Mario. (2011). Perspectives for the application of variable thickness aluminium tubes in hydroforming of complex tubes. Materials Science Forum, 690, p. 447-450.

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URL officielle: https://doi.org/10.4028/www.scientific.net/MSF.690...

Résumé

Tubular products have very important applications in various areas especially in the transportation industries. For instance, in the structure of cars there are various tubular products like roof headers, engine cradles, roof rails and frame rails with complex geometries which most of them need multiple steps like tube drawing, tube bending and hydroforming for their production. Based on the recent studies by this group, it was proven that in most of the structural tubular parts in the cars it was not necessary to have constant thickness along the axial direction of tube and it will be considered as overdesign and the overall weight of structures can be reduced considerably by using variable thickness tubes. In this paper, the variable thickness tube drawing and its applications in the tube bending and hydroforming applications were studied. The results showed that this process can have important role in reduction of defective parts in the production of complex tubes by the tube hydroforming method. However especial considerations should be taken into account in the design of thickness distribution along axial direction of these kinds of tubes to avoid problems in the drawing step and as well in the bending and hydroforming steps.

Type de document:Article publié dans une revue avec comité d'évaluation
Volume:690
Pages:p. 447-450
Version évaluée par les pairs:Non spécifié
Date:Juin 2011
Sujets:Sciences naturelles et génie > Génie > Génie des matériaux et génie métallurgique
Département, module, service et unité de recherche:Départements et modules > Département des sciences appliquées > Module d'ingénierie
Mots-clés:Aluminum (Al), tube bending, tube drawing, tube hydroforming, variable thickness tube, aluminium (Al), cintrage de tubes, étirage de tubes, formage hydraulique de tubes, tube d'épaisseur variable
Déposé le:19 déc. 2019 01:44
Dernière modification:19 déc. 2019 01:48
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