Residual stresses of a magnesium alloy (AZ31) welded by the friction stir welding processes.

Auteurs :  A. Kouadri-Henni, L. BARRALLIER, Riad BADJI
Année : 2016
Domaine : Sciences des matériaux
Type : Article de journal
Revue : MATEC Web of Conferences
Résumé en PDF :  (résumé en pdf)
Fulltext en PDF :  (.pdf)
Mots clés : AZ31 magnesium alloy, Friction Stir Welding, residual stresses

Résumé : 

Abstract. The objective of this study was to evaluate the residual stresses of FSW welding magnesium alloys (AZ31). The results show that the FSW processes lead to the formation of several distinct zones with differing mechanical properties. The residual stresses evolution have been explained by the heterogeneous modifications of the microstructure particularly a marked decrease in the grain size, a high modification of the crystallographic texture and the different anisotropic properties resulting from plasticity induced by the FSW process.