Fatigue properties of friction stir welds in Al 5083 alloy

The alloy 5083 was welded by friction stir welding and inert-gas metal-arc welding (MIG-pulse). The fatigue life of friction stir welds is 9–12 times longer than that of MIG-pulse welds under R = 0.1 and the fatigue characteristic values of each welds have been increased from 39.8 MPa for MIG to 67....

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Veröffentlicht in:	Scripta materialia 2005-11, Vol.53 (10), p.1187-1191
Hauptverfasser:	Zhou, Caizhi, Yang, Xinqi, Luan, Guohong
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum base alloys Al–Mg alloy 5083 Applied sciences Exact sciences and technology Fatigue Fatigue (materials) Fatigue life Friction stir welding Joining, thermal cutting: metallurgical aspects Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy MIG-pulse welding Welded joints Welding
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Beschreibung
Zusammenfassung:	The alloy 5083 was welded by friction stir welding and inert-gas metal-arc welding (MIG-pulse). The fatigue life of friction stir welds is 9–12 times longer than that of MIG-pulse welds under R = 0.1 and the fatigue characteristic values of each welds have been increased from 39.8 MPa for MIG to 67.3 MPa for FSW.
ISSN:	1359-6462 0956-716X 1872-8456
DOI:	10.1016/j.scriptamat.2005.07.016