Research on Hot Upsetting Deformation Behavior and Dynamic Recrystallization for AZ31


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The AZ31 Mg alloy was upseted from 250°C to 500°C. In optical microscopy, as the temperature increases, the volume fraction of deformation twin will reduce to a minium and vanish. Simultaneously, some small dynamically recrystallized grains were observed at the boundaries of origin grains and twins. When temperatures rise from 350°C to 500°C , the volume fraction and size of DRX grains increases .By the compression test of the upsetting proof samples, the compressive strength reach a maxium, and reduce during further rising temperatures.



Key Engineering Materials (Volumes 353-358)

Edited by:

Yu Zhou, Shan-Tung Tu and Xishan Xie




W. H. Hu et al., "Research on Hot Upsetting Deformation Behavior and Dynamic Recrystallization for AZ31", Key Engineering Materials, Vols. 353-358, pp. 722-725, 2007

Online since:

September 2007




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