A Processing map has been developed for Magnesium alloy AZ31 extruded at 450 °C which revealed that the extruded rods may be further processed into components industrially at 400 °C and at a strain rate of 10 s–1. If processed at lower strain rates in the vicinity of 0.1 s–1, unusual grain size variations with temperature and strain rate are observed, suggesting that grain size control will be difficult.
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Prasad et al. (2007) studied this question.
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