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Preparation of sound ribbons with submicrometer-grained microstructure on a Mg-Zn alloy

Abstract : In this paper, a viable way to fabricate Mg alloy sound ribbons with ultra-fine-grained microstructure was presented. The hot-rolled and annealed Mg-0.4Zn (at%) alloy exhibited excellent rollability to form sound ribbons with submicrometer grains when subjected to one-pass cold rolling process. The more balanced multi-mode dislocation slips originated from the significant decrease of critical resolved shear stress for non-basal slip with the addition of solute Zn and the favorable crystallographic orientation were suggested to be responsible for the excellent cold rollability. The formation of ultra-fine-grained microstructure was attributed to low-temperature dynamic recrystallization occurring during the cold rolling process with large strain.
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https://hal.univ-lorraine.fr/hal-01514957
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Submitted on : Wednesday, April 26, 2017 - 6:27:30 PM
Last modification on : Friday, February 26, 2021 - 2:48:02 PM

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Xing-Hao Du, Min Hong, Guo-Sheng Duan, Bao-Lin Wu, Yu-Dong Zhang, et al.. Preparation of sound ribbons with submicrometer-grained microstructure on a Mg-Zn alloy. Science Bulletin, 2015, 60 (5), pp.570-573. ⟨10.1007/s11434-014-0689-4⟩. ⟨hal-01514957⟩

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