The multi-solute solid solution cocktail-effects of magnesium alloys and their application on materials design

Yuan Yuan Tao Chen, Xianhua Chen, Fusheng Pan
National Engineering Research Center for Magnesium Alloys, College of Materials Science and
Engineering, Chongqing University, Chongqing, 400044, China 

EXTENDED ABSTRACT: The low-density magnesium (Mg) alloys are attractive for the application in aerospace, transportation and other weight-saving-required fields. It is noteworthy that the solid solution of alloying elements in the a-Mg phase can have multi-effects on the properties of Mg alloys, e.g, solid solution strengthening, solid solution corrosion­resistance-enhancing, etc. And it is also notably the functional properties, e.g. damping capacities, magnetic shielding properties can also be tailored by controlling the solution in the matrix. It is promising that by selected proper multi-alloying­elements (with optimal ratio) solid solution in the a-Mg phase, the comprehensive properties of Mg alloys can be synergy improved. In this work, the solid solution behavior of Mg alloys and the followed solid solution property-enhancing effects (multi-solid-solution cocktail-effects) were studied combing the First principles calculation, thermodynamics calculation, machine learning and key experiments. Three types solution behavior in the ternary magnesium alloy systems were proposed and the application for the materials design for specified functions were proposed.
Keywords: Magnesium alloys, IMCE.
REFERENCES
[l] Chen, T.; Gao, Q.; Yuan, Y. *; et al., Journal of Magnesium and Alloys 2022, 10, 2817.

[2] Wang, J.; Yuan, Y. *; Chen, T.; et al., Journal of Magnesium and Alloys 2022, 10, 1786.

[3] Chen, T.; Yuan, Y. *; Mi X.; et al., Journal of Materials Research and Technology, 2022, 21, 4512-4525.

[4] Zhang, L.; Yuan, Y. *; Wang J.; et al., Scripta Materialia, 2023, 115514.

Brief Introduction of Speaker
Yuan Yuan

Yuan Yuan, professor of Chongqing University and Marie Curie Fellow, focuses on thermodynamics, dynamics and material design of magnesium alloys, and has published more than 70 SCI papers. She has undertaken a number of projects such as the National Natural Science Foundation of China, key projects, and sub-projects of national key R&D projects, and won the first prize of science and technology of China Nonferrous Metals Industry Association in 2021; Director of Magnesium Alloy Branch of China Materials Research Society and Director of Chongqing Materials Society. She serves on the youth editorial boards of the Journal of Magnesium and Alloys and Acta Metallurgica Sinica.