Shape memory alloys and polymers for MEMS/NEMS applications: Review on recent findings and challenges in design, preparation, and characterization

I Stachiv, E Alarcon, M Lamac - Metals, 2021 - mdpi.com
Rapid progress in material science and nanotechnology has led to the development of the
shape memory alloys (SMA) and the shape memory polymers (SMP) based functional …

Multi-response optimization of WEDM process parameters for machining of superelastic nitinol shape-memory alloy using a heat-transfer search algorithm

R Chaudhari, JJ Vora, SS Mani Prabu, IA Palani… - Materials, 2019 - mdpi.com
Nitinol, a shape-memory alloy (SMA), is gaining popularity for use in various applications.
Machining of these SMAs poses a challenge during conventional machining. Henceforth, in …

NiTiCu shape memory alloys with ultra-low phase transformation range as solid-state phase change materials

W Trehern, N Hite, R Ortiz-Ayala, KC Atli, DJ Sharar… - Acta Materialia, 2023 - Elsevier
Shape memory alloys (SMAs) have been demonstrated as effective phase change materials
(PCMs) for thermal energy storage (TES) applications. NiTi and NiTiHf SMAs have shown …

Pareto optimization of WEDM process parameters for machining a NiTi shape memory alloy using a combined approach of RSM and heat transfer search algorithm

R Chaudhari, JJ Vora, SSM Prabu, IA Palani… - Advances in …, 2021 - Springer
Machining of shape memory alloys (SMAs) without losing the shape memory effect could
immensely extend their applications. Herein, the wire electric discharge machining process …

[HTML][HTML] Laser powder bed fusion of a superelastic Cu-Al-Mn shape memory alloy

N Babacan, S Pauly, T Gustmann - Materials & Design, 2021 - Elsevier
Dense and crack-free specimens of the shape memory alloy Cu 71.6 Al 17 Mn 11.4 (at.%)
were produced via laser powder bed fusion across a wide range of process parameters. The …

Extending fatigue life of NiTiHf shape memory alloy wires through rapid thermal annealing

F Gantz, MT Wall, ML Young, DJ Forbes - Shape Memory and …, 2022 - Springer
Two challenges facing high temperature shape memory alloys (HTSMAs) involve extending
the actuation fatigue life and maximizing the actuator response. Thus, the focus of this study …

Achieving enhanced mechanical, pseudoelastic and elastocaloric properties in Ni-Mn-Ga alloys via Dy micro-alloying and isothermal mechanical cyclic training

W Tong, L Liang, J Xu, HJ Wang, J Tian, LM Peng - Scripta Materialia, 2022 - Elsevier
In the present study, the combination of Dy micro-alloying and isothermal mechanical cyclic
training (IMCT) was utilized to enhance the mechanical, pseudoelastic and elastocaloric …

Stress-induced detwinning/reorientation of hierarchically twinned martensite and deformation micro-mechanism in Ni52Mn27Ga17Co4 shape memory alloys …

L Liang, W Tong, X Wang, HZ Hu, HJ Wang… - International Journal of …, 2024 - Elsevier
Mechanical training via cyclic loading and unloading was widely used in NiMnGa shape
memory alloys (SMAs) to create single or double variant states for reducing the resistance to …

Mastering a 1.2 K hysteresis for martensitic para-ferromagnetic partial transformation in Ni-Mn (Cu)-Ga magnetocaloric material via binder jet 3D printing

E Stevens, K Kimes, D Salazar, A Mostafaei… - Additive …, 2021 - Elsevier
Magnetocaloric (MC) materials have gained traction in the research and industry
communities for their prospects in solid state magnetic refrigeration. Important to the …

Shape memory effect, temperature distribution and mechanical properties of friction stir welded nitinol

SSM Prabu, HC Madhu, CS Perugu, K Akash… - Journal of Alloys and …, 2019 - Elsevier
Welding of shape memory alloys without deterioration of shape memory effect could vastly
extend their applications. To retain shape memory behavior, a solid-state welding technique …