|About this Abstract
||2021 TMS Annual Meeting & Exhibition
||Magnesium Technology 2021
||Eutectic modification of Mg2Si in Mg-Si alloys for faster hydrogen absorption kinetics.
||Manjin Kim, Julio Pinzon Piraquive, Yahia Ali, Stuart David McDonald, Trevor Bruce Abbott, Kazhuhiro Nogita
|On-Site Speaker (Planned)
Trace elements such as Na, Sr, or other alkali and alkaline-earth elements have been widely studied as chemical refiners that change the morphology and the size of faceted eutectic Si in the Al-Si alloy system to improve mechanical properties. In this work, we have extended this technique to modify faceted eutectic Mg2Si in the Mg-Si alloy system for faster hydrogen absorption kinetics. Various amount of modifier elements were added into Mg-Si alloys and the microstructure of the Mg-Si alloys was investigated. A modification effect on eutectic Mg2Si was observed. The modification mechanism of eutectic Mg2Si in Mg-Si alloy and its potential effect on hydrogen storage properties are discussed.