Eutectic phase strengthening and strain rate sensitivity behavior of AZ80 magnesium alloy

A Mg–8Al-0.5Zn-0.2Mn wt.% (AZ80) alloy, containing a high volume percent of the β eutectic phase, was prepared using extrusion without a homogenization pretreatment (EX-II(F)). The β-eutectic-phase contributions to grain refinement, texture tailoring, and plastic behavior were discussed. Microstruct...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2020-01, Vol.770, p.138548, Article 138548
Hauptverfasser:	Ren, Lingbao, Zhou, Mingyang, Lu, Tianhui, Fan, Lingling, Guo, Yangyang, Zhang, Yuwenxi, Boehlert, Carl J., Quan, Gaofeng
Format:	Artikel
Sprache:	eng
Schlagworte:	Coarsening Depletion Eutectic phase Eutectic temperature Extrusion Formability Grain refinement High strength Load transfer Magnesium Magnesium base alloys Orowan loops Precipitation hardening Pretreatment Strain rate sensitivity Temperature dependence Thermal mismatch Yield strength
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