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The microstructural evolution in a Mg–2.0%Zn–0.8%Gd (wt.%) alloy during hot rolling was investigated. {101¯2} twinning and shear bands were found after the rough-rolling process, while only shear bands were found after the finish-rolling process. The shear bands were observed mainly in grains with their c-axis parallel to the normal direction of the rolling sheets and were suggested to have been originated...
Twin dynamic recrystallization (DRX) occurs during the hot compression of AZ91 alloy with precipitation of Mg 17 Al 12 phase at the newly formed DRXed grain boundaries. The pinning effect of the Mg 17 Al 12 precipitates is greatly influenced by compression temperature, resulting in compression temperature having a stronger influence than strain rate on DRXed grain size...
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