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Microstructure and Mechanical Properties of Magnesium Alloy AZ31 Processed by Compound Channel Extrusion

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Figure

Fig. 1A schematic drawing of the compound channel extrusion process.The ED, ND and TD represent the extrusion direction, normal direction,and transverse direction, respectively.
Fig. 3Average grain sizes of Mg alloy AZ31 at different processing states.(A-annealed at 623 K for 2 h, H-homogenized at 673 K for 14 h and as-extruded at 623 K, 673 K, 723 K).
Fig. 6Tensile (T) and compressive (C) stress-strain curves of homogen-ized (a), as-extruded (b) and annealed (c) Mg alloy AZ31.
Fig. 7SEM photographs of fracture before extrusion and after extrusion: (a) (c) tensile test of homogenized and as-extruded samples,(b) (d) compressive test of homogenized and as-extruded samples.

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