Abstract
Hot rolling was carried out in this study to modify the microstructures of an extruded Mg–6Al–1Sn–0.3Mn alloy sheet and investigate its effects on mechanical properties. After hot rolling, the grains and second phase of the extruded alloy sheet were remarkably refined, and the c-axis of a few grains was parallel to the transverse direction. The strength improvement was mainly attributed to the grain and Mg17Al12 particle refinement due to the Hall–Petch effect and the Orowan mechanism. The random orientation of the fine grains resulted in improving ductility and anisotropy.
Highlights
Magnesium alloys, as the lightest conventional structural material, can deal with the regulations of energy conservation and environmental pollution [1]
Mg–Al–Sn series alloys have clearly been comprehensively explored, and the results indicate that their mechanical properties are better than commercial magnesium alloys [18]
ATM610 alloy sheets were investigated through extrusion combined with rolling
Summary
As the lightest conventional structural material, can deal with the regulations of energy conservation and environmental pollution [1]. Their low strength and poor plastic properties at ambient temperature restrict their applications in industrial fields [2,3]. Mg–9.8Sn–1.2Zn–1.0Al alloy, which consists of coarse and fine mixed grains with a typical basal texture, has a high tension-to-compression ratio (0.9) [12]. She et al [14] developed
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