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| Effects of Technical Factors on Formability of AZ31 Magnesium Alloys |
| GUO Rui HU Shuiping** |
| (Metallurgic Engineering Research Institute of University of Science & Technology Beijing, BeiJing, 100083) |
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Cite this article:
GUO Rui, HU Shuiping. Effects of Technical Factors on Formability of AZ31 Magnesium Alloys. Chinese Journal of Materials Research, 2013, 27(2): 207-211.
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Abstract In this paper, the AZ31 magnesium alloy sheets which have distinct textures and different grain sizes were prepared through different rolling processes, the effects of technological parameters on formability of the magnesium alloy were studied through erichsen test at room temperature. The result show that the strain hardening in the rolling direction of the magnesium sheets which produced in the deformation process can be improvement by increasing the grain size and reducing the basal texture, meanwhile, the elongation and room temperature formability of the magnesium alloy sheets are also improved. The grain size of the magnesium alloy which was prepared by cross shear rolling (the rolling and annealing temperature is 400 ℃, the different rolling speed ratio is 1.5) increases to 20 μm, while the maximum of the (0002) pole figure is only 2, the IE value which is obtained by erichsen experiment is 5.71, the room temperature formability of the magnesium alloy increase significantly.
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