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Change Channel Angular Extrusion of Magnesium Alloy AZ31

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Figure

Fig. 2Optical microstructures of the AZ31 alloys before CCAE processing: (a) as-cast and (b) homogenized at 673 K.
Fig. 3Optical micrographs of the AZ31 alloys processed by the CCAE at (a) 523 K, (b) 573 K, (c) 623 K, (d) 673 K, and (e) 723 K.
Fig. 4Representative TEM photographs showing microstructure changes in the specimen during the CCAE process at 523 K: (a) beforebeing sheared, (b) enlarged region of (a), (c) at shearing zone, and (d) after deformation imposed by the CCAE.
Fig. 7The 0.2% proof stress (yield stress), ultimate compressive strength(UCS), and compressive ratio of the AZ31 alloys after the CCAE atvarious processing temperatures

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