Shielding gas influence on AA5086 welded joints: residual stresses analysis, microstructural characterisation and mechanical properties

Samples of AA5086 aluminium alloy were welded by gas tungsten arc welding (GTAW) with alternating current using three different shielding gases. The samples were welded with pure argon (Ar), a mixture of argon and helium (Ar + He) and a new mixture composed of argon, nitrous oxide and oxygen (Ar + N...

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Veröffentlicht in:	International journal of advanced manufacturing technology 2022-05, Vol.120 (3-4), p.1643-1652
Hauptverfasser:	Fonseca, Maria Cindra, Melado, Marcos Caetano, de Souza, Marcel Freitas, Barbosa, Cássio
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum base alloys Argon Base metal CAE) and Design Compressive properties Computer-Aided Engineering (CAD Engineering Gas mixtures Gas tungsten arc welding Gases Heat affected zone Heat treating Helium Industrial and Production Engineering Mechanical Engineering Mechanical properties Media Management Nitrous oxide Original Article Residual stress Shielding Tensile tests Ultimate tensile strength Weld metal Welded joints
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