HOT DEFORMATION BEHAVIOR AND PROCESSING MAP OF A Mg-Gd-Y-Zn-Zr ALLOY
Keywords:
Mg-Gd-Y-Zn-Zr alloy, hot-deformation behavior, processing maps, microstructure evolution
Abstract
Compression tests of a Mg-13Gd-4Y-2Zn-0.5Zr alloy were carried out on a Gleeble-1500D thermo-mechanical simulator within a temperature range of 420–500 °C and strain rate of 0.001–5 s–1 so that the corresponding flow behavior was investigated. The Zener-Hollomon parameter Z was used in a hyperbolic-sine-type equation to express the relationships between the peak stress, deformation temperature and strain rate. Work hardening, dynamic recovery and dynamic recrystallization were the main characteristics affecting the plastic-deformation behaviors. The activation energy Q was calculated to be 208.2 kJ/mol and processing maps at strains of 0.3, 0.5 and 0.7 were generated based on a dynamic material model. The optimum processing parameters were obtained with a power-dissipation analysis.
References
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2. Z. Yan, X. Li, J. Zheng, Z. Zhang, Q. Wang, K. Xu, H. Fan, G. Zhang, J. Zhu, Y. Xue, Microstructure evolution, texture and mechanical properties of a Mg-Gd-Y-Zn-Zr alloy fabricated by cyclic expansion extrusion with an asymmetrical extrusion cavity: The influence of passes and processing route, J. Magnes. Alloy., 9 (2021) 3, 964-982, doi: 10.1016/j.jma.2020.06.016.
3. L. Song, Y. Zhang, Y. Lu, X. Li, J. Wang, J. Wang, Microstructure, texture and mechanical properties of a friction-stir-processed Mg-Al-Ca-Mn-Zn alloy, Mater. Tehnol., 53 (2019) 6, 839-844, :10.17222/mit.2019.090.
4. G. Wu, C. Wang, M. Sun, W. Ding, Recent developments and applications on high-performance cast magnesium rare-earth alloys, J. Magnes. Alloy., 9 (2021) 1, 1-20, doi: 10.1016/j.jma.2020.06.021.
5. W. Wang, Y. Qiu, J. Jia, X. Yan, W. Zhang, Influence of Samarium on the microstructure and mechanical properties of Mg-Y-Zn-Zr alloys, Mater. Tehnol., 52 (2018) 4, 405-410, doi: 10.17222/mit.2017.175
6. Z. Yan, Z. Zhang, X. Li, J. Xu, Q. Wang, G. Zhang, J. Zheng, H. Fan, K. Xu, J. Zhu, Y. Xue, A novel severe plastic deformation method and its effect on microstructure, texture and mechanical properties of Mg-Gd-Y-Zn-Zr alloy, J. Alloy. Compd., 822 (2020) 153698, doi: 10.1016/j.jallcom.2020.153698.
7. B. Liu, F. Liu, N. Yang, X. Zhai, L. Zhang, Y. Yang, B. Li, J. Li, EV. Ma, J. Nie, Z. Shan, Large plasticity in magnesium mediated by pyramidal dislocations, Science, 365 (2019) 6448, 73-75, doi: 10.1126/science.aaw2843.
8. T. Homma, N. Kunito, S. Kamado, Fabrication of extraordinary high-strength magnesium alloy by hot extrusion, Scripta. Mater., 61 (2009) 6, 644-647, doi: 10.1016/j.scriptamat.2009.06.003.
9. N. Ogawa, M. Shiomi, K. Osakada, Forming limit of magnesium alloy at elevated temperatures for precision forging, Inter. Mach. Tool. Manu., 42 (2002) 607-614, doi: 10.1016/s0890-6955(01)00149-3.
10. A.R. Eivani, S.M. Mirghasemi, S.H. Seyedein, J. Zhou, H.R. Jafarian, Simulation of deformation and fracture initiation during equal channel angular pressing of AZ31 magnesium alloy with covered tube casing, J. Mater. Res. Technol., 12 (2021), 1913-1923, doi: 10.1016/j.jmrt.2021.03.096.
11. B. Li, B. Teng, G. Chen, Microstructure evolution and mechanical properties of Mg-Gd-Y-Zn-Zr alloy during equal channel angular pressing, Mater. Sci. Eng. A., 744 (2019) 396-405, doi: 10.1016/j.msea.2018.12.024.
12. B. Li, Q. Pan, Z. Yin, Characterization of hot deformation behavior of as-homogenized Al-Cu-Li-Sc-Zr alloy using processing maps, Mater. Sci. Eng. A., 614 (2014) 199-206, doi: 10.1016/j.msea.2014.07.031.
13. N. Srinivasan, Y.V.R.K. Prasad, P. Rama Rao, Hot deformation behaviour of Mg-3Al alloy—A study using processing map, Mater. Sci. Eng. A., 476 (2008) 1-2, 146-156, doi: 10.1016/j.msea.2007.04.103.
14. X. Zhou, C. Liu, Y. Gao, S. Jiang, W. Liu, L. Lu, Hot compression behavior of the Mg-Gd-Y-Zn-Zr alloy filled with intragranular long-period stacking ordered phases, J. Alloy. Compd., 724 (2017) 528-536, doi: 10.1016/j.jallcom.2017.07.088.
15. Z. Zhang, Q. Huo, Z. Xiao, A. Hashimoto, X. Yang, Microstructural evolutions and mechanical properties of Mg-xY-2Nd-0.2Zn-0.5Zr (x=0, 2, 4, 6 and 8) alloy under hot compression, Mater. Sci. Eng. A., 722 (2020), 138816, doi: 10.1016/j.msea.2019.138816.
16. X. Xia, Q. Chen, J. Li, D. Shu, C. Hu, S. Huang, Z. Zhao, Characterization of hot deformation behavior of as-extruded Mg-Gd-Y-Zn-Zr alloy, J. Alloy. Compd., 610 (2014), 203-211, doi: 10.1016/j.jallcom.2014.04.210.
17. X. Zhou, Y. Yao, J. Zhang, X. Chen, W. Huang, J. Pan, H. Wang, M. Weng, A high-performance Mg-4.9Gd-3.2Y-1.1Zn-0.5Zr alloy via multidirectional forging after analyzing its compression behavior, J. Mater. Sci. Technol., 70 (2021), 156-167, doi: 10.1016/j.jmst.2020.08.054.
18. Y.V.R.K. Prasad, S. Sasidhara, Hot Working Guide: A Compendium of Processing Maps, ASM International, Materials Park, OH, 1997.
19. Y.V.R.K. Prasad, T. Seshacharyulu, Processing maps for hot working of titanium alloys, Mater. Sci. Eng. A., 243 (1998) 1-2, 82-88, doi: 10.1016/S0921-5093(97)00782-X.
20. B. Li, B. Teng, W. Xu, Hot deformation characterization of homogenized Mg-Gd-Y-Zn-Zr alloy during isothermal compression, JOM, 71 (2019) 11, 4059-4070, doi: /10.1007/s11837-019-03556-y.
21. S. Jiang, C. Liu, H. Li, X. Zhang, Dynamic recrystallization of high purity polycrystalline aluminum, J. Cen. South. Univ., 35 (2004) 6, 935-940.
22. R. Alizadeh, R. Mahmudi, O.A. Ruano, A.H.W. Ngan, Constitutive analysis and hot deformation behavior of fine-grained Mg-Gd-Y-Zr alloys, Metall. Mater. Trans. A., 48A (2017) 11, 5699-5709, doi: 10.1007/s11661-017-4311-7.
23. Z. Zhang, Z. Yan, Y. Du, G. Zhang, J. Zhu, L. Ren, Y. Wang, Hot deformation behavior of homogenized Mg-13.5Gd-3.2Y-2.3Zn-0.5Zr alloy via hot compression tests, Materials, 11 (2018) 11, 2282, doi: 10.3390/ma11112282.
24. H. Miura, M. Ito, X. Yang, J.J. Jonas, Mechanisms of grain refinement in Mg-6Al-1Zn alloy during hot deformation, Mater. Sci. Eng. A., 538 (2012), 63-68 doi: 10.1016/j.msea.2012.01.014
25. H.J. Frost, M.F. Ashby, Deformation mechanism maps, the plasticity and creep of metals and ceramics, London: Pergamon Press, 1982.
26. Q. Wang, J. Lin, Q. Huang, C. Wang, The flow stress during hot deformation of AZ31 magnesium alloy, J. Taiyuan Univ. Sci. Technol., 35 (2014) 4, 274-279.
27. H. Mirzadeh, Quantification of the strengthening effect of rare earth elements during hot deformation of Mg-Gd-Y-Zr magnesium alloy, J. Mater. Res. Technol., 5 (2016) 1, 1-4, doi: 10.1016/j.jmrt.2015.03.001.
28. T.Y. Kwak, H.K. Lim, W.J. Kim, Hot compression characteristics and processing maps of a cast Mg-9.5Zn-2.0Y alloy with icosahedral quasicrystalline phase, J. Alloy. Compd., 644 (2015), 645-653, doi: 10.1016/j.jallcom.2015.04.158.
29. C. Wang, Y. Liu, T. Lin, T.J. Luo, Y.H. Zhao, H. Hou, Y.S. Yang, Hot compression deformation behavior of Mg-5Zn-3.5Sn-1Mn-0.5Ca-0.5Cu alloy, Mater. Charact., 157 (2019), 109596, doi: 10.1016/j.matchar.2019.109896.
30. L. Zhu, Q. Li, X. Chen, Q. Zhang, Effect of Sm on dynamic recrystallization of Mg-8Gd-0.5Zr alloy during hot compression, J. Alloy. Compd., 865 (2021), 158648, doi: 10.1016/j.jallcom.2021.158648.
31. X. Xia, K. Zhang, X. Li, M. Ma, Y. Li, Microstructure and texture of coarse-grained Mg-Gd-Y-Nd-Zr alloy after hot compression, Mater, Des., 44 (2013), 521-527, doi: 10.1016/j.matdes.2012.08.043.
Published
2021-12-10
How to Cite
1.
Yan Z, Zhu J, Zhang Z, Wang Q, Xue Y. HOT DEFORMATION BEHAVIOR AND PROCESSING MAP OF A Mg-Gd-Y-Zn-Zr ALLOY. MatTech [Internet]. 2021Dec.10 [cited 2026Jul.16];55(6):781–788. Available from: https://mater-tehnol.si/index.php/MatTech/article/view/212
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