Abstract

Mechanical and microstructural characterizations were performed on pure magnesium samples processed by different rolling routes and annealing conditions to investigate the effects of thickness reduction strain and annealing temperature and duration on mechanical behaviors. The results indicate that (a) rolling increases yield strength significantly by about 100% to 130% and decreases ductility by about 55% to 66%; (b) a rolling route with a lower thickness reduction strain per rolling pass corresponds to a higher strength increase; and (c) annealing does not affect the magnitudes of yield strength and ductility, but largely increases ultimate tensile strength and strain hardening rate compared with the as-rolled material without experiencing annealing.

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