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Paillard, P., Bertrand, E., Allart, M., Benoit, A. & Ruckert, G. (2016) Microstructure, mechanical properties and microtexture of friction stir welded S690QL high yield steel. Mater. Charact. 122 183–188. 
Added by: Richard Baschera (2017-02-02 13:56:04)   Last edited by: Richard Baschera (2017-02-02 14:01:32)
Type de référence: Article
DOI: 10.1016/j.matchar.2016.11.005
Numéro d'identification (ISBN etc.): 1044-5803
Clé BibTeX: Paillard2016
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Catégories: ID2M
Mots-clés: carbon-steel, Friction stir welding, High yield strength steel, Mechanical properties, microstructure, Microtexture, s690ql
Créateurs: Allart, Benoit, Bertrand, Paillard, Ruckert
Collection: Mater. Charact.
Consultations : 15/576
Indice de consultation : 1%
Indice de popularité : 0.25%
Two try-out campaigns of friction stir welding (FSW) were performed with different friction parameters to join S690QL high yield strength steel. The welds were investigated at macroscopic and microscopic scales using optical and electronic microscopy and microhardness mapping. Welds of the second campaign exhibit microstructures and mechanical properties in accordance with requirements for service use. Microtexture measurements were carried out in different zones of welds by electron backscattered diffraction (EBSD). It is shown that that texture of the bottom of the weld is similar to that of the base metal, suggesting a diffusion bonding mechanism. Finally, the mechanical properties (tensile strength, resilience, bending) were established on the most promising welds. It is shown that it is possible to weld this high yield strength steel using FSW process with satisfactory geometric, microstructural and mechanical properties. (C) 2016 Elsevier Inc. All rights reserved.
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