4D printing of net shape parts made from Ni-Mn-Ga magnetic shape-memory alloys

MP Caputo, AE Berkowitz, A Armstrong, P Müllner… - Additive …, 2018 - Elsevier
This work investigates an additive manufacturing route of producing functional net shaped
parts from pre-alloyed magnetic shape-memory Ni-Mn-Ga powders. Three types of Ni-Mn …

Ab initio Prediction of Martensitic and Intermartensitic Phase Boundaries in Ni-Mn-Ga

B Dutta, A Çakır, C Giacobbe, A Al-Zubi, T Hickel… - Physical Review Letters, 2016 - APS
Despite the importance of martensitic transformations of Ni-Mn-Ga Heusler alloys for their
magnetocaloric and shape-memory properties, the martensitic part of their phase diagrams …

Microstructural and crystallographic characteristics of modulated martensite, non-modulated martensite, and pre-martensitic tweed austenite in Ni-Mn-Ga alloys

L Zhou, MM Schneider, A Giri, K Cho, Y Sohn - Acta Materialia, 2017 - Elsevier
A combinatorial approach using diffusion couples and TEM analyses was carried out to
investigate the composition-dependent martensitic transformation in NiMnGa alloys. The …

Full variation of site substitution in Ni-Mn-Ga by ferromagnetic transition metals

V Kopecký, M Rameš, P Veřtát, RH Colman, O Heczko - Metals, 2021 - mdpi.com
Systematic doping by transition elements Fe, Co and Ni on each site of Ni2MnGa alloy
reveal that in bulk material the increase in martensitic transformation temperature is usually …

[HTML][HTML] Magnetic coercivity control by heat treatment in Heusler Ni–Mn–Ga (–B) single crystals

L Straka, L Fekete, M Rameš, E Belas, O Heczko - Acta Materialia, 2019 - Elsevier
The combination of enlarged magnetic coercivity and magnetic shape memory (MSM)
functionality is essential for novel magnetomechanical effects in MSM alloys. We found that …

Reviewing magnetic particle preparation: exploring the viability in biosensing

D Kappe, L Bondzio, J Swager, A Becker, B Büker… - Sensors, 2020 - mdpi.com
In this review article, we conceptually investigated the requirements of magnetic
nanoparticles for their application in biosensing and related them to example systems of our …

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 …

Design of Mn–Mn distance for tunable spontaneous exchange bias in Heusler alloys

X Wang, M Li, J Li, J Deng, Y Wang, L Ma, D Zhao… - Intermetallics, 2021 - Elsevier
To accelerate the discovery of spontaneous exchange bias (SEB) materials and optimize its
performance, reasonable design scheme is needed. Taking advantage of the extremely …

Microstructure and the correlated martensitic transformation of melt spinning Ni50Mn29Ga21− xTbx (x= 0–1) ribbons

Y Wu, J Wang, Y He, H Wu, C Jiang, H Xu - Acta Materialia, 2016 - Elsevier
Microstructure and the correlated martensitic transformation behavior of melt spinning Ni 50
Mn 29 Ga 21− x Tb x (x= 0–1) ribbons have been studied by X-ray diffraction, transmission …

Order degree and self-accommodation of γ phases in Ni-Mn-Ga alloys

J Fan, Y Zhou, S Ouyang, N Jin - Materials Science and Engineering: A, 2023 - Elsevier
High temperature shape memory alloys Ni-Mn-Ga have high martensitic transformation
temperature, good thermal stability and moderate shape memory performance. The second …