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 …
biomedical fields because of their superior functional properties, such as their unique shape …
Laser welding of H-phase strengthened Ni-rich NiTi-20Zr high temperature shape memory alloy
Laser welding of a Ni-rich NiTi-20Zr (at.%) high temperature shape memory alloy was
performed. The starting base material was aged for 3 h at 550° C followed by air cooling …
performed. The starting base material was aged for 3 h at 550° C followed by air cooling …
High strength NiTiHf shape memory alloys with tailorable properties
Microstructure of NiTiHf shape memory alloys can be engineered to have high strength and
operate at high stress levels for a large temperature window. Nanoprecipitation is well …
operate at high stress levels for a large temperature window. Nanoprecipitation is well …
The effects of wide range of compositional changes on the martensitic transformation characteristics of NiTiHf shape memory alloys
The effects of composition on the martensitic transformation characteristics of NiTiHf shape
memory alloys are systematically explored. Transformation temperatures (TTs) demonstrate …
memory alloys are systematically explored. Transformation temperatures (TTs) demonstrate …
H-phase precipitation and its effects on martensitic transformation in NiTi-Hf high-temperature shape memory alloys
Precipitate microstructure in the B2 parent phase is known to have profound impacts on the
properties of NiTi-based high temperature shape memory alloys (HTSMAs), including the …
properties of NiTi-based high temperature shape memory alloys (HTSMAs), including the …
Unsupervised machine learning and cepstral analysis with 4D-STEM for characterizing complex microstructures of metallic alloys
Four-dimensional scanning transmission electron microscopy, coupled with a wide array of
data analytics, has unveiled new insights into complex materials. Here, we introduce a …
data analytics, has unveiled new insights into complex materials. Here, we introduce a …
An interatomic potential for ternary NiTiHf shape memory alloys based on modified embedded atom method
S Ataollahi, MJ Mahtabi - Computational Materials Science, 2023 - Elsevier
NiTi-based high temperature shape memory alloys (HTSMAs) can operate in high
temperature applications, where binary NiTi cannot function. NiTiHf is among the most …
temperature applications, where binary NiTi cannot function. NiTiHf is among the most …
Transformation behavior and superelasticity of TiZrHfNiCoCu multi-component high-temperature shape memory alloys
Abstract Multi-component (TiZrHf) 1 Ni 1.50 Co 0.60 Cu 0.90,(TiZrHf) 1 Ni 1.48 Co 0.58 Cu
0.88,(TiZrHf) 1 Ni 1.45 Co 0.57 Cu 0.86, and (TiZrHf) 1 Ni 1.40 Co 0.54 Cu 0.82 high …
0.88,(TiZrHf) 1 Ni 1.45 Co 0.57 Cu 0.86, and (TiZrHf) 1 Ni 1.40 Co 0.54 Cu 0.82 high …
Stability of a Ni-rich Ni-Ti-Zr high temperature shape memory alloy upon low temperature aging and thermal cycling
AM Pérez-Sierra, J Pons, R Santamarta, I Karaman… - Scripta Materialia, 2016 - Elsevier
The thermal stability of Ni 50.3 Ti 29.7 Zr 20 with aging in austenite at 250° C has been
studied for three distinctive microstructures obtained after selected thermal treatments …
studied for three distinctive microstructures obtained after selected thermal treatments …
Viable low temperature shape memory alloys based on Ni-Ti-Hf formulations
O Benafan, GS Bigelow, A Garg, RD Noebe - Scripta Materialia, 2019 - Elsevier
Ni-rich NiTiHf alloys with Hf content from 1 to 12.5 at.% were evaluated for their potential as
low temperature shape memory alloys. At 51 at.% Ni, a minimum in transformation …
low temperature shape memory alloys. At 51 at.% Ni, a minimum in transformation …