Additive manufacturing of NiTi shape memory alloy for biomedical applications: review of the LPBF process ecosystem

K Safaei, H Abedi, M Nematollahi, F Kordizadeh… - Jom, 2021 - Springer
NiTi shape memory alloys (SMAs) are used in a broad range of biomedical applications
because of their unique properties including biocompatibility and high corrosion and wear …

Deformation physics of shape memory alloys–fundamentals at atomistic frontier

P Chowdhury, H Sehitoglu - Progress in Materials Science, 2017 - Elsevier
Application spectrum of shape memory alloys (SMA) is expanding rapidly and
proportionately so is the engineering demand for superior materials. An essential …

[HTML][HTML] Origins of functional fatigue and reversible transformation of precipitates in NiTi shape memory alloy

R Sidharth, TB Celebi, H Sehitoglu - Acta Materialia, 2024 - Elsevier
The work clarifies several key questions in shape memory research that have eluded
previous studies. The findings show that dislocation slip emanates at austenite-martensite …

Effect of Ni4Ti3 precipitates on the functional properties of NiTi shape memory alloys: A phase field study

B Xu, Y Sun, C Yu, J Hu, J Zhu, J **ong, Q Kan… - International Journal of …, 2024 - Elsevier
Ni 4 Ti 3 precipitates, which generally exist in aged Ni-rich NiTi shape memory alloys
(SMAs), can have a profound effect on material properties. However, the fundamental …

Comparative study on crystallographic orientation, precipitation, phase transformation and mechanical response of Ni-rich NiTi alloy fabricated by WAAM at elevated …

J Wang, Z Pan, K Carpenter, J Han, Z Wang… - Materials Science and …, 2021 - Elsevier
In this investigation, a Ni-rich NiTi alloy was in-situ deposited with different substrate heating
temperatures and the evolution of crystallographic orientation, precipitation, phase …

On deformation behavior of Fe-Mn based structural alloys

P Chowdhury, D Canadinc, H Sehitoglu - Materials Science and …, 2017 - Elsevier
This article is a literature review of recent advances in novel Fe-Mn based alloys, drawing
specific examples on Hadfield and TWIP steels, and high entropy and shape memory alloys …

A revisit to atomistic rationale for slip in shape memory alloys

P Chowdhury, H Sehitoglu - Progress in Materials Science, 2017 - Elsevier
Performance degradation in shape memory alloys (SMA) arises due to a gradual loss of
strain recoverability attributable to slip mediated plasticity. The slip-induced changes in …

Atomic scale modeling of the coherent strain field surrounding Ni4Ti3 precipitate and its effects on thermally-induced martensitic transformation in a NiTi alloy

Z Li, F **ao, H Chen, R Hou, X Cai, X ** - Acta Materialia, 2021 - Elsevier
Abstract Precipitation of Ni 4 Ti 3 in NiTi alloy profoundly affects material properties, while
the coherency strain fields and their effects on the thermally-induced martensitic …

Solid-state refrigeration of shape memory alloy-based elastocaloric materials: A review focusing on preparation methods, properties and development

S Wang, Y Shi, Y Li, H Lin, K Fan, X Teng - Renewable and Sustainable …, 2023 - Elsevier
Sustainable development represents a vital global strategic goal. In the field of microcooling,
green and environmentally friendly solid-state refrigeration technologies show great …

[HTML][HTML] High-temperature shape memory alloys based on the Cu-Al-Ni system: design and thermomechanical characterization

I López-Ferreño, JF Gómez-Cortés… - Journal of Materials …, 2020 - Elsevier
To offer a response to the increasing interest on high-temperature shape memory alloys,
mainly driven by the aeronautic and aerospace industries, the design and characterization …