Recent development of TiNi‐based shape memory alloys with high cycle stability and high transformation temperature

Y Tong, A Shuitcev, Y Zheng - Advanced Engineering Materials, 2020 - Wiley Online Library
TiNi‐based shape memory alloys (SMAs) attract a lot of attention from engineering and
biomedical fields because of their superior functional properties, such as their unique shape …

NiTiHf shape memory alloys as phase change thermal storage materials

N Hite, DJ Sharar, W Trehern, T Umale, KC Atli… - Acta Materialia, 2021 - Elsevier
Motivated by the recent advancements demonstrating the effectiveness of NiTi shape
memory alloys (SMAs) as high figure of merit (FOM) phase change materials (PCMs) for …

[HTML][HTML] Strain glass state in Ni-rich Ni-Ti-Zr shape memory alloys

S Xu, J Pons, R Santamarta, I Karaman, O Benafan… - Acta Materialia, 2021 - Elsevier
This work reports the existence of the strain glass state in Ni-rich Ni-Ti-Zr shape memory
alloys induced by the precursor stages of the H-phase precipitation, typical of this alloy …

Actuation fatigue performance of NiTiZr and comparison to NiTiHf high temperature shape memory alloys

O Karakoc, KC Atli, O Benafan, RD Noebe… - Materials Science and …, 2022 - Elsevier
The actuation fatigue performance of a Ni-rich Ni 50.3 Ti 29.7 Zr 20 (at.%) high temperature
shape memory alloy (HTSMA) was evaluated and compared to previous results for Ni 50.3 …

[HTML][HTML] Processing parameters and martensitic phase transformation relationships in near defect-free additively manufactured NiTiHf high temperature shape memory …

C Zhang, L Xue, SA Pestka, M Ranaiefar, KC Atli… - Materials & Design, 2022 - Elsevier
Additive Manufacturing (AM) has quickly emerged as a promising technology to manufacture
Shape Memory Alloy (SMA)-based components of complex geometries. 3D-printed High …

Design of a NiTiHf shape memory alloy with an austenite finish temperature beyond 400 C utilizing artificial intelligence

AA Catal, E Bedir, R Yilmaz, D Canadinc - Journal of Alloys and …, 2022 - Elsevier
This paper details the design process of a ternary NiTiHf shape memory alloy (SMA) with an
austenite finish temperature (A f) beyond 400° C. Specifically, available experimental data …

Effect of Hf on the lattice invariant shear and self-accommodation of martensite in Ti–Ni–Hf alloys

M Matsuda, N Maeda, K Onaka, H Akamine… - Journal of Materials …, 2023 - Springer
Shape-memory effect and superelasticity are strongly affected by the microstructure of
thermoelastic martensite. The transformation strain originating from the change of shape is …

Fracture toughness and fatigue crack growth resistance of precipitate-free and precipitation hardened NiTiHf shape memory alloys

B Young, R Orrostieta, B Haghgouyan… - Materials Science and …, 2024 - Elsevier
The present work investigates fracture toughness, and actuation and mechanical fatigue
crack growth responses of Ni 50.3 Ti 29.7 Hf 20 HTSMAs across martensitic transformation …

Martensitic phase transformation and shape memory properties of the as-cast NiCuTiHf and NiCuTiHfZr alloys

S Baradari, N Resnina, S Belyaev… - Journal of Alloys and …, 2021 - Elsevier
This study investigates the structure, martensitic phase transformation behavior, and shape
memory properties of the quaternary Ni 44.8 Cu 5 Ti 45.2 Hf 5 and quinary Ni 44.8 Cu 5 Ti …

[HTML][HTML] High temperature superelasticity realized in equiatomic Ti-Ni conventional shape memory alloy by severe cold rolling

J Zhang, T Chen, W Li, J Bednarcik, AC Dippel - Materials & Design, 2020 - Elsevier
Great interests on high temperature shape memory alloys (HTSMAs) are recently raised,
driven primarily by the aerospace and automotive industries, for their potential to serve as …