Hisashi Mori1, Masafumi Noda2, Taro Tsujimura1, Kunio Funami3 and Kenji Higashi4
1Railway Technical Research Institute, Tokyo 185-8540
Effects of grain growth due to treated by annealing after thermomechanical treatment on the tensile and fatigue strength in Magnesium alloy AZ31 were reported. It was found that coarse grain generated by secondary recrystallization and tensile and fatigue strength was decreased.
magnesium alloy, grain growth, fatigue strength, fracture surface, crack growth rate
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