Iron-based superelastic alloys with near-constant critical stress temperature dependence

J Xia, Y Noguchi, X Xu, T Odaira, Y Kimura… - Science, 2020 - science.org
Shape memory alloys recover their original shape after deformation, making them useful for
a variety of specialized applications. Superelastic behavior begins at the critical stress …

Flexible and tough superelastic Co–Cr alloys for biomedical applications

T Odaira, S Xu, K Hirata, X Xu, T Omori… - Advanced …, 2022 - Wiley Online Library
The demand for biomaterials has been increasing along with the increase in the population
of elderly people worldwide. The mechanical properties and high wear resistance of metallic …

Chemical ordering effects on martensitic transformations in Mg-Sc alloys

S Li, Z Jin, X Gong, H Huang, S Guan, G Yuan - Acta Materialia, 2023 - Elsevier
As excellent lightweight engineering materials, Mg-Sc alloys also exhibit shape memory
effects. With less than 25 atomic percent Sc in Mg, the martensitic transformation was found …

[HTML][HTML] Elastocaloric switching effect induced by reentrant martensitic transformation

T Odaira, S Xu, X Xu, T Omori, R Kainuma - Applied Physics Reviews, 2020 - pubs.aip.org
Vapor compression technologies widely used for refrigeration, heating, and air-conditioning
have consumed a large fraction of global energy. Efforts have been made to improve the …

Martensitic transformation and superelasticity in Fe–Mn–Al-based shape memory alloys

T Omori, R Kainuma - Shape Memory and Superelasticity, 2017 - Springer
Ferrous shape memory alloys showing superelasticity have recently been obtained in two
alloy systems in the 2010s. One is Fe–Mn–Al–Ni, which undergoes martensitic …

Magnetic-field-driven reverse martensitic transformation with multiple magneto-responsive effects by manipulating magnetic ordering in Fe-doped Co-V-Ga Heusler …

K Liu, S Ma, Y Zhang, H Zeng, G Yu, X Luo… - Journal of Materials …, 2020 - Elsevier
Nowadays, searching for the materials with multiple magneto-functional properties and good
mechanical properties is vital in various fields, such as solid-state refrigeration, magnetic …

Martensitic transformation and phase diagram in ternary Co-V-Ga Heusler alloys

X Xu, A Nagashima, M Nagasako, T Omori… - Applied Physics …, 2017 - pubs.aip.org
We report the martensitic transformation behavior in Co-V-Ga Heusler alloys.
Thermoanalysis and thermomagnetization measurements were conducted to observe the …

Martensitic transformation and shape memory effect at high temperatures in off-stoichiometric Co2VSi Heusler alloys

H Jiang, X Xu, T Omori, M Nagasako, J Ruan… - Materials Science and …, 2016 - Elsevier
Martensitic transformation in off-stoichiometric Co 2 VSi Heusler alloy was firstly confirmed in
this work. The martensite phase presents an ordered 2M non-modulate D0 22 structure …

Realization of metamagnetic martensitic transformation with multifunctional properties in Co50V34Ga16 Heusler alloy

C Liu, Z Li, Y Zhang, Y Huang, M Ye, X Sun… - Applied Physics …, 2018 - pubs.aip.org
In this work, we have developed a ferromagnetic shape memory alloy Co 50 V 34 Ga 16 with
a metamagnetic martensitic transformation (MT) from the high-magnetization austenitic …

Development of boron-microalloyed Co–V–Al–Fe shape memory alloys

Y Zhang, S Yang, L Wang, S Pan, J Zhang, X Liu… - Intermetallics, 2023 - Elsevier
This paper reported the superelasticity and excellent cycle stability of boron-microalloyed Co–
V–Al–Fe shape memory alloy. The microstructures, martensitic transformation …