Materials Reports  2020, Vol. 34 Issue (Z2): 356-359 |
| METALS AND METAL MATRIX COMPOSITES |
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| Effect of Rolling on Microstructure and Mechanical Properties of ATZ331 Alloy |
| WANG Li1,2, PEI Di2, LI Xinlin2, PEI Zhiyang3
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1 School of Chemical and Biology Engineering, Yinchuan University of Energy, Yinchuan 750105, China
2 School of Materials Science and Chemical Engineering,Harbin Engineering University, Harbin 150001, China
3 School of Petrochemical Engineering, Liaoning University of Petrochemical Engineering, Fushun 113001, China |
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Abstract The magnesium alloy, as an important structure material, provided the light density, high specific intensity, good damping and excellent electromagnetic shielding properties have attracted more extensive attention. However, the poor deformation ability of magnesium alloys has greatly limited its industrial application. In this paper, the traditional casting method was used to obtain the ATZ331 alloy which was plastic deformed by uniaxial rolling and cross rolling, and the metallographic microscope, SEM, XRD and universal material tester were used to character the microstructure evolution and mechanical properties. The results showed that the ATZ331 alloy treated by solid solution caused the fine and dispersedly distributed Mg2Sn and MgZn particles were precipitated at the grain boundary and within the grain of matrix α-Mg and the mechanical properties of ATZ331 alloy were improved by dispersion strengthening mechanism. The rolling methods have great influence on the microstructure and mechanical properties of ATZ331 alloys. The tensile strength of ATZ331 series alloy deformed by uniaxial rolling reached 222 MPa and the elongation was 18%, lower than cross rolling.
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Published: 08 January 2021
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| Fund:This work was supported by Ningxia Science and Technology Key Research and Development Project (2018BEE03029), Ningxia Natural Science Foundation (2019AAC03272), Ningxia Higher School Scientific Research Project (NGY2018-250), Yinchuan University of Energy Talent Introduction Fund Project (2018-KY-R-01). |
| About author:: Li Wang, associate professor, the research field include magnesium alloy preparation and plastic deformation. |
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