Tensile failure mode transitions from subzero to elevated deformation temperature in Mg–6Al–1Zn alloy
Source abstract
Abstract
Understanding the temperature dependent deformation behavior of Mg alloys is crucial for their expanding use in the aerospace sector. This study investigates the deformation mechanisms of hot-rolled AZ61 Mg alloy under uniaxial tension along rolling direction (RD) and transverse direction (TD) at −50, 25, 50, and 150°C. Results reveal a transition from high strength with limited elongation at −50°C to significant softening and maximum ductility at 150°C. TD samples consistently showed 2%–6% higher strength than RD; however, this yield anisotropy diminished at 150°C due to the shift from twinning to thermally activated slip and recovery. Fractography indicated a change from semi-brittle to fully ductile fracture with increasing temperature. Electron backscattered diffraction (EBSD) analysis confirmed twinning-driven grain refinement at low temperatures, while deformation at high temperatures involved grain elongation along shear zones, enabling greater strain accommodation before material failure.
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Research context
OpenAlex topics: Magnesium Alloys: Properties and Applications · Microstructure and mechanical properties · Metallurgy and Material Forming
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (46)
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1. H. Fu, F. Zhang, X. Liu, et al., Achieving synergistic strength-ductility optimization in ultralight Mg–11Li alloy by ultrahigh pressure treatment, Mater. Charact., 225(2025), art. No. 115162.10.1016/j.matchar.2025.115162 ↗
2. S.F. Chu, Y.X. Li, Z.H. Xiong, P. Liu, D. Qiu, and X.Q. Zeng, Achieving stable coherent pure Y nanoprecipitates in a Mg–Y alloy, Mater. Charact., 214(2024), art. No. 114081.10.1016/j.matchar.2024.114081 ↗
3. J.F. Xiao, Y.Y. Gao, J.F. Song, et al., Insights into the effects of Sm on microstructure evolution mechanism and mechanical properties of Mg–8Gd–2Y–1Zn–0.5Zr cast alloy at high temperature, Mater. Sci. Eng. A, 899(2024), art. No. 146475.10.1016/j.msea.2024.146475 ↗
4. H.M.R. Tariq, H.H. Kang, U.M. Chaudry, M.K. Khan, and T.S. Jun, Impact of surface roughness on the yield drop of hot-rolled AZX311 Mg alloy, Adv. Eng. Mater., 27(2025), No. 9, art. No. 2401689.10.1002/adem.202401689 ↗
5. A. Malik, S. Abrar, F. Nazeer, and U.M. Chaudry, Retaining high strength and high elongation to fracture under dynamic compressive loading in a homogenized AZ31–Ca–Mn–Zr alloy at a temperature of 250°C, Arch. Civ. Mech. Eng., 25(2025), No. 4, art. No. 187.10.1007/s43452-025-01245-z ↗
6. H. Wang, J.L. Dong, P.H. Fu, et al., Exploring the mechanisms of texture evolution in a low-alloyed Mg–Zn–Ca alloy during extrusion, Mater. Charact., 225(2025), art. No. 115168.10.1016/j.matchar.2025.115168 ↗
7. U.M. Chaudry, H.M.R. Tariq, N. Ansari, et al., Effect of CaO content and annealing treatment on the room-temperature mechanical properties of AZ61 and AZ61–CaO alloys, Metals, 13(2023), No. 12, art. No. 1962.10.3390/met13121962 ↗
8. L.Q. Guan, Y.L. Deng, A. Luo, X.B. Guo, and C.P. Tang, Activation of slip and enhanced ductility in as-extruded Mg–Gd–Y–Nd alloys through Si addition, Mater. Sci. Eng. A, 804(2021), art. No. 140736.10.1016/j.msea.2021.140736 ↗
9. U.M. Chaudry, H.M. Rehan Tariq, K. Hamad, M.K. Khan, and T.S. Jun, Twinning-induced texture weakening in Mg alloy and its consequent influence on ductility and formability, Mater. Sci. Technol., 41(2025), No. 2, p. 101.10.1177/02670836241251942 ↗
10. J.W. Zhou, Y. Yang, D.Q. Fang, et al., Ductile heat-resistant Mg–Gd–Y alloys of high strength via lamellated heterostructure, Mater. Sci. Eng. A, 937(2025), art. No. 148466.10.1016/j.msea.2025.148466 ↗
11. M.A. Khan, M.A. Afifi, M.A. Hafeez, et al., Evolution of microstructure, texture, and mechanical performance of Mg–13Gd–2Er–0.3Zr alloy by double extrusion at different temperatures, Arch. Civ. Mech. Eng., 25(2025), No. 1, art. No. 26.10.1007/s43452-024-01081-7 ↗
12. H.M.R. Tariq, M. Ishtiaq, H.H. Kang, U.M. Chaudry, and T.S. Jun, A critical review on the comparative assessment of rare-earth and non-rare-earth alloying in magnesium alloys, Metals, 15(2025), No. 2, art. No. 128.10.3390/met15020128 ↗
13. J.M. Lin, P.H. Fu, Y.W. Ding, et al., Simultaneously improving strength and ductility of cast Mg–Gd–Zn alloy through Er addition, Mater. Charact., 224(2025), art. No. 115020.10.1016/j.matchar.2025.115020 ↗
14. S. Zeon Han, B. Ryu, I.S. Jeong, S.H. Lim, and E.A. Choi, Simultaneous enhancement of strength and ductility in Al–Zn–Cu casting alloy with trace Mg addition designed by first principle calculation, Mater. Des., 244(2024), art. No. 113140.10.1016/j.matdes.2024.113140 ↗
15. J. Ali Siddique, B.H. Kim, S. Rafiei, et al., Role of dislocation density on the onset and intensity of stretcher strain marks in novel Al–Mg alloys with high Mg content, J. Mater. Res. Technol., 35(2025), p. 5552.10.1016/j.jmrt.2025.02.191 ↗
16. P. Kurt and S.C. Kurnaz, Investigation of microstructure, mechanical properties and corrosion behaviour of as-cast Mg–4Sn–2Al–X (X = 0.5 Ca and 0.25 Mn) alloys, Int. J. Met., (2025), art. No. 1576.10.1007/s40962-025-01576-w ↗
17. N.D. Nam, Corrosion behavior of Mg–5Al based magnesium alloy with 1 wt.% Sn, Mn and Zn additions in 3.5 wt.% NaCl solution, J. Magnesium Alloys, 2(2014), No. 2, p. 190.10.1016/j.jma.2014.06.002 ↗
18. U.M. Chaudry, T.S. Jun, H.M.R. Tariq, B.Z. Minhas, and M.A. Ur Rehman, Corrosion behavior of Mg alloys in simulated body fluids, [in] D. Kumar and N. Ansari, eds., Magnesium Alloys for Biomedical Applications. CRC Press, Boca Raton, 2024, p. 177.10.1201/9781003400462-8 ↗
19. C.H. Hou, Z.S. Ye, F.G. Qi, et al., Effect of Al addition on microstructure and mechanical properties of Mg–Zn–Sn–Mn alloy, Trans. Nonferrous Met. Soc. China, 31(2021), No. 7, p. 1951.10.1016/S1003-6326(21)65629-7 ↗
20. J.R. Lee, M.-S. Lee, Y. Noh, and T.S. Jun, Thermal activation and dislocation dynamics in Ti–6Al–4V alloy, Int. J. Mech. Sci., 277(2024), art. No. 109426.10.1016/j.ijmecsci.2024.109426 ↗
21. H.M.R. Tariq, U.M. Chaudry, C.S. Kim, and T.S. Jun, Effect of calcium on the rate of grain boundary migration in pure magnesium during annealing, Met. Mater. Int., 30(2024), No. 7, p. 2038.10.1007/s12540-023-01612-6 ↗
22. Q. Zhang, Q.A. Li, X.Y. Chen, J.X. Zhao, J. Bao, and Z.Y. Chen, Dynamic precipitation and recrystallization mechanism during hot compression of Mg–Gd–Y–Zr alloy, J. Mater. Res. Technol., 15(2021), p. 37.10.1016/j.jmrt.2021.08.013 ↗
23. S.S.A. Shah, M.P. Liu, A. Khan, et al., Recrystallization aspects and factors affecting their roles in Mg alloys: A comprehensive review, J. Magnesium Alloys, 13(2025), No. 5, p. 1879.10.1016/j.jma.2025.03.020 ↗
24. P.S. Roodposhti, A. Sarkar, K.L. Murty, H. Brody, and R. Scattergood, Grain boundary sliding mechanism during high temperature deformation of AZ31 Magnesium alloy, Mater. Sci. Eng. A, 669(2016), p. 171.10.1016/j.msea.2016.05.076 ↗
25. H.M.R. Tariq, U.M. Chaudry, M. Ishtiaq, M. Kim, M. Ali, and T.S. Jun, Effect of Al addition on the room and cryogenic temperature deformation of Mg–xAl–1Zn–1Ca alloy (x = 2, 3 wt.%), J. Magnesium Alloys, 12(2024), No. 11, p. 4694.10.1016/j.jma.2024.11.030 ↗
26. C.S. Patil, S. Chakraborty, and S.R. Niezgoda, Cross slip based dynamic recovery during plane strain compression of aluminium and its role in preferential nucleation of the cube-oriented recrystallized grains, Acta Mater., 272(2024), art. No. 119913.10.1016/j.actamat.2024.119913 ↗
27. J.R. Xing, G. Lei, Z.Y. Wang, H.J. Cui, C. Kong, and H.L. Yu, Fracture toughness and fracture mechanism of Al–Mg–Si alloy sheet subjected to pre-cryorolling and subsequent bake hardening, J. Alloy. Compd., 1008(2024), art. No. 176665.10.1016/j.jallcom.2024.176665 ↗
28. U.M. Chaudry, H.M.R. Tariq, N. Ansari, C.S. Kim, S.Y. Lee, and T.S. Jun, Exceptional improvement in the yield strength of AZ61 magnesium alloy via cryo-stretching and its implications on the grain growth during annealing, J. Alloy. Compd., 970(2024), art. No. 172630.10.1016/j.jallcom.2023.172630 ↗
29. S. Sudharsan and A. Raja Annamalai, Fatigue behavior of ascast and heat-treated Mg–Gd–Y–Er alloy at room temperature, Eng. Fail. Anal., 176(2025), art. No. 109652.10.1016/j.engfailanal.2025.109652 ↗
30. U.M. Chaudry, K. Hamad, and J.G. Kim, On the ductility of magnesium based materials: A mini review, J. Alloy. Compd., 792(2019), p. 652.10.1016/j.jallcom.2019.04.031 ↗
31. S.S.A. Shah, M.P. Liu, A. Khan, et al., Twinning aspects and their efficient roles in wrought Mg alloys: A comprehensive review, J. Magnesium Alloys, 12(2024), No. 6, p. 2201.10.1016/j.jma.2024.04.035 ↗
32. H.M.R. Tariq, U.M. Chaudry, C.S. Kim, and T.S. Jun, Synergetic improvement in strength and ductility of AZX211 Mg alloy facilitated by {10–12}-{01–12} twin-twin interactions during pre-stretching at cryogenic temperature, J. Mater. Res. Technol., 29(2024), p. 3249.10.1016/j.jmrt.2024.02.063 ↗
33. U.M. Chaudry, M.S. Lee, and T.S. Jun, Dynamic recrystallization of commercially pure titanium during cryogenic compression, Mater. Charact., 206(2023), art. No. 113423.10.1016/j.matchar.2023.113423 ↗
34. K. Zhang, Z.T. Shao, J. Robson, Y. Huang, J.H. Zheng, and J. Jiang, Achieving high ductility and strength in magnesium alloy through cryogenic-hot forming, J. Magnesium Alloys, 11(2023), No. 9, p. 3130.10.1016/j.jma.2023.09.002 ↗
35. M. Arul Kumar, B. Clausen, L. Capolungo, et al., Deformation twinning and grain partitioning in a hexagonal close-packed magnesium alloy, Nat. Commun., 9(2018), No. 1, art. No. 4761.10.1038/s41467-018-07028-w ↗
36. S. Sadiq, H.M.R. Tariq, S.C. Han, N.I. Muhammad Nadzri, and T.S. Jun, Impact of cyclic cryogenic treatment on the hardening behavior of pre-strained CoCrFeMnNi alloy, J. Mater. Res. Technol., 36(2025), p. 9549.10.1016/j.jmrt.2025.05.191 ↗
37. H.M.R. Tariq, U. Masood Chaudry, J.S. Suh, Y.M. Kim, and T.S. Jun, Effect of cryogenic temperature on the strengthening mechanisms of AZ61 Mg alloy extruded at different temperatures, J. Mater. Res. Technol., 33(2024), p. 335.10.1016/j.jmrt.2024.09.068 ↗
38. U.M. Chaudry, H.M.R. Tariq, M. Zubair, N. Ansari, and T.S. Jun, Implications of twinning on the microstructure development, crystallographic texture and mechanical performance of Mg alloys- a critical review, J. Magnesium Alloys, 11(2023), No. 11, p. 4146.10.1016/j.jma.2023.09.023 ↗
39. Y.M. Yang, Y.F. Li, D.W. Yi, et al., Revealing the microstructure evolution mechanism and mechanical responses of a novel Al–Zn–Mg–Cu alloy by hot deformation process, J. Mater. Res. Technol., 29(2024), p. 3699.10.1016/j.jmrt.2024.02.101 ↗
40. B.A. Simkin, B.C. Ng, M.A. Crimp, and T.R. Bieler, Crack opening due to deformation twin shear at grain boundaries in near-γ TiAl, Intermetallics, 15(2007), No. 1, p. 55.10.1016/j.intermet.2006.03.005 ↗
41. U.M. Chaudry, H.M.R. Tariq, N. Ansari, S.Y. Lee, and T.S. Jun, Room and cryogenic deformation behavior of AZ61 and AZ61–xCaO (x = 0.5, 1 wt.%) alloy, J. Magnesium Alloys, 12(2024), No. 5, p. 1996.10.1016/j.jma.2024.04.021 ↗
42. P.W. Trimby, Y. Cao, Z.B. Chen, et al., Characterizing deformed ultrafine-grained and nanocrystalline materials using transmission Kikuchi diffraction in a scanning electron microscope, Acta Mater., 62(2014), p. 69.10.1016/j.actamat.2013.09.026 ↗
43. X. Teng, T. Wierzbicki, and H. Couque, On the transition from adiabatic shear banding to fracture, Mech. Mater., 39(2007), No. 2, p. 107.10.1016/j.mechmat.2006.03.001 ↗
44. M.B. Harris, L.S. Watts, and E.R. Homer, Competition between shear band nucleation and propagation across rate-dependent flow transitions in a model metallic glass, Acta Mater., 111(2016), p. 273.10.1016/j.actamat.2016.03.066 ↗
45. T.W. Wright and J.W. Walter, On stress collapse in adiabatic shear bands, J. Mech. Phys. Solids, 35(1987), No. 6, p. 701.10.1016/0022-5096(87)90051-2 ↗
46. U. Masood Chaudry, S. Tekumalla, M. Gupta, T.S. Jun, and K. Hamad, Designing highly ductile magnesium alloys: Current status and future challenges, Crit. Rev. Solid State Mater. Sci., 47(2022), No. 2, p. 194.10.1080/10408436.2021.1947185 ↗