《Table 4 Mechanical properties of AZ31 magnesium alloy under different DCT conditions》

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《轧前深冷处理对AZ31镁合金显微组织和力学性能的影响（英文）》

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The experimental material was as-cast AZ31 magnesium alloy.The alloy’s main chemical composition and content used in the experiment is shown in Table 1.Samples of 100 mm in length，100 mm in width，and 10 mm in thickness were cut from the as-cast alloy and then directly subjected to cryogenic treatment.The cryogenic treatment experimental process was accomplished by placing the specimens in a closed chamber containing the cryogenic medium liquid nitrogen.After cryogenic treatment，the samples were frozen to room temperature in the cryogenic chamber.The experimental scheme is shown in Table 2.After cryogenic treatment，the specimens were then rolled by an experimental two-high laboratory mill（320 mm diameter and 340 mm length），and the rolling speed was 0.2 m/s.All the specimens were rolled to 5.5mm thickness with the same reduction.