Layered Phase Control
Oxidation creates a three-layer structure enabling linear tunability of transformation temperatures with oxygen content, paving the way for high-temperature shape memory applications.
Zhiyuan, Xu · Yu-Lin, Chen · Zhang, Peng · Wang, Bin · Zhang, Jian
Journal of Alloys and Compounds 2024
A_s^C increases slightly then decreases drastically with O content
ω_s^C increases slightly then decreases drastically with O content
In OI layer, retained β precipitates ωiso on heating far below ω_s^C