The influence of Al content and annealing on vibration fracture properties of wrought Mg–Al–Zn alloys

The influence of Al content and annealing on vibration fracture properties of wrought Mg–Al–Zn alloys

This study investigated the vibration fracture behavior of two Mg–Zn–Al alloys, AZ31 and AZ61 in as-extruded and as-annealed states. The effects of deformation twins, precipitates and Al concentration on vibration properties were examined. As-extruded AZ31 specimens showed a longer vibration life th...

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Veröffentlicht in:Scripta materialia 2006-02, Vol.54 (3), p.399-404
Hauptverfasser: Song, J.M., Lui, T.S., Chang, H.W., Chen, L.H.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Crack propagation
Exact sciences and technology
Fractures
Magnesium alloys
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
Vibration fracture resistance
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Beschreibung
Zusammenfassung:This study investigated the vibration fracture behavior of two Mg–Zn–Al alloys, AZ31 and AZ61 in as-extruded and as-annealed states. The effects of deformation twins, precipitates and Al concentration on vibration properties were examined. As-extruded AZ31 specimens showed a longer vibration life than the others, mainly because of better damping capacity and a lack of intergranular Mg 17Al 12 precipitates.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2005.10.021