Serrated flow and tensile properties of a Mg–Y–Nd alloy

Serrated flow and tensile properties of a Mg–Y–Nd alloy

Serrated flow in WE54 alloy during tensile deformation is reported. The observed static strain ageing effect and negative strain rate sensitivity suggest that the serrated flow is due to interactions between dislocations and solute atoms, known as dynamic strain ageing (DSA). The tensile properties...

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Veröffentlicht in:Scripta materialia 2004, Vol.50 (1), p.51-55
Hauptverfasser: Zhu, S.M., Nie, J.F.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Condensed matter: structure, mechanical and thermal properties
Deformation and plasticity (including yield, ductility, and superplasticity)
Exact sciences and technology
Magnesium alloys
Mechanical and acoustical properties of condensed matter
Mechanical properties of solids
Metals. Metallurgy
Physics
Portevin–Le Chatelier effect
Tensile properties
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Beschreibung
Zusammenfassung:Serrated flow in WE54 alloy during tensile deformation is reported. The observed static strain ageing effect and negative strain rate sensitivity suggest that the serrated flow is due to interactions between dislocations and solute atoms, known as dynamic strain ageing (DSA). The tensile properties are analysed in relation to the DSA effect.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2003.09.039