Evaluation of the mechanical performance of friction stir welded aluminum alloys with different heat treatments

This work aimed to analyze the microstrutural evaluation and the mechanical behavior for aluminum alloys AA2139 T3 and T8 joined by the process Friction Stir Welding-FSW. The microstrutural analysis was performed by optical microscope and scanning and transmission electronic microscope and the mecha...

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Bibliographic Details
Published inTecnologia em Metalurgia, Materiais e Mineracao Vol. 20100726; pp. 2503 - 2516
Main Authors Saccon, Vinicius Toledo, Parra, Bruno Serafim, Olea, Cesar Weis, Dos Santos, Jorge Fernandes, De Alcantara, Nelson Guedes
Format Journal Article
LanguageEnglish
Published 01.01.2010
Subjects
Alloys
Aluminum base alloys
Electronics
Federations
Friction stir welding
Heat treatment
Scanning
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Summary:This work aimed to analyze the microstrutural evaluation and the mechanical behavior for aluminum alloys AA2139 T3 and T8 joined by the process Friction Stir Welding-FSW. The microstrutural analysis was performed by optical microscope and scanning and transmission electronic microscope and the mechanical behavior was carried out by microhardness test, bending test and uniaxial tension stress. The alloys were welded with the same parameters and with the same tool, in order to evaluate the quality of the joint for each condition (T3 and T8). The results demonstrate behaviors completely different, the T8 condition greatly superior than T3.
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ISSN:2176-1515