The effect of training on two-way shape memory effect of binary NiTi and NiTi based ternary high temperature shape memory alloys

KC Atli, I Karaman, RD Noebe, D Gaydosh - Materials Science and …, 2013 - Elsevier
The propensity for various high-temperature shape memory alloys (HTSMA), ie, Ni28. 5Ti50.
5Pt21, Ni24. 5Ti50. 5Pd25 and Ni24. 5Ti50Pd25Sc0. 5, to exhibit two-way shape memory …

Predicting the martensitic transition temperatures in ternary shape memory alloys Ni0. 5Ti0. 5− xHfx from first principles

Z Wu, H Malmir, O Benafan, JW Lawson - Acta Materialia, 2023 - Elsevier
Martensitic transition temperatures (MTTs) can be tuned by alloying binaries with other
elements to create multi-component shape memory alloys (SMAs). However, it is inefficient …

An intermetallic NiTi-based shape memory coil spring for actuator technologies

G Shimoga, TH Kim, SY Kim - Metals, 2021 - mdpi.com
Amongst various intermetallic shape memory alloys (SMAs), nickel–titanium-based SMAs
(NiTi) are known for their unique elastocaloric property. This widely used shape …

Role of applied stress level on the actuation fatigue behavior of NiTiHf high temperature shape memory alloys

O Karakoc, C Hayrettin, D Canadinc, I Karaman - Acta Materialia, 2018 - Elsevier
This study presents the actuation fatigue response of nano-precipitation hardened Ni 50.3 Ti
29.7 Hf 20 high temperature shape memory alloy (HTSMA) undergoing thermal cycling …

Effects of upper cycle temperature on the actuation fatigue response of NiTiHf high temperature shape memory alloys

O Karakoc, C Hayrettin, M Bass, SJ Wang, D Canadinc… - Acta Materialia, 2017 - Elsevier
The present study focuses on the effects of upper cycle temperature (UCT) on the actuation
fatigue response of nano-precipitation hardened Ni 50.3 Ti 29.7 Hf 20 high temperature …

Latest advances in development of smart phase change material for soft actuators

F Long, Y Cheng, Y Ren, J Wang, Z Li… - Advanced …, 2022 - Wiley Online Library
Inspired from the nature, soft actuators have been attracting the incremental attention on
account of the benefits in terms of high flexibility and safety for human operators, but material …

[HTML][HTML] Tuning microstructure, transformation behavior, mechanical/functional properties of Ti–V–Al shape memory alloy by doping quaternary rare earth Y

X Yi, K Sun, H Wang, Y Gong, X Meng, Z Gao… - Progress in Natural …, 2021 - Elsevier
The microstructure features, martensitic transformation behavior and mechanical/functional
properties of Ti–V–Al alloy were tailored by changing rare element Y content in the present …

Theoretical investigation of phase transitions in the shape memory alloy NiTi

Z Wu, JW Lawson - Physical Review B, 2022 - APS
There remain a few unsolved problems when the ab initio approach was applied to study
one of the most important binary shape memory alloys (SMAs), NiTi (nitinol), which is the …

Reentrant strain glass transition in Ti-Ni-Cu shape memory alloy

W Wang, Y Ji, M Fang, D Wang, S Ren, K Otsuka… - Acta Materialia, 2022 - Elsevier
Reentrant glass transition, referring to a reversible transition from a high-temperature
ordered phase to a low-temperature glassy phase, is unusual and difficult to be understood …

Effects of cold and warm rolling on the shape memory response of Ni50Ti30Hf20 high-temperature shape memory alloy

N Babacan, M Bilal, C Hayrettin, J Liu, O Benafan… - Acta Materialia, 2018 - Elsevier
The present work reveals the effects of cold and warm rolling on the shape memory
response and thermomechanical cyclic stability of Ni 50 Ti 30 Hf 20 high-temperature shape …