|About this Abstract
||2021 TMS Annual Meeting & Exhibition
||Magnesium Technology 2021
||The High-solution Design of Magnesium Alloys
||Yuan Yuan, Jun Wang, Xiongying Cheng, Tao Chen, Bin Jiang, Torben Boll, Fushen Pan
|On-Site Speaker (Planned)
The broad applications of Mg alloys are still limited by poor mechanical properties and poor corrosion resistance. Our group has found strength, ductility, as well as corrosion resistance of Mg alloys can be simultaneously enhanced by solution elements. However, most elements only show limited solubility in alpha-Mg phase. We proposed that by dissolving multi solution elements dissolved in the alpha-Mg, the enhanced entropy may bring enlarged solubility and cocktail effects to the properties of Mg alloys. Combining the First-principle calculation and CALPHAD, the excess entropies and enthalpies of multi-element dissolving into alpha-Mg were calculated. Based on the calculated promising high solution Mg alloy systems, some typical alloys were synthesized and the corresponding properties were analyzed. This alloy design strategy brings a new insight on the development of high-performance Mg-alloys.
||Magnesium, Computational Materials Science & Engineering,