SLM additive manufacturing of NiTi porous implants: a review of constitutive models, finite element simulations, manufacturing, heat treatment, mechanical, and …

M Jalali, K Mohammadi, MR Movahhedy… - Metals and Materials …, 2023 - Springer
Nitinol shape memory alloy is a biocompatible material that is suitable for biomedical
applications due to its superelasticity, shape memory effect, good corrosion and fatigue …

A three-dimensional phenomenological model for shape memory alloys including two-way shape memory effect and plasticity

G Scalet, F Niccoli, C Garion, P Chiggiato… - Mechanics of …, 2019 - Elsevier
The one-way and two-way shape memory effects (SMEs) as well as the thermal hysteresis
represent fundamental properties when dealing with the design of detachable and thermally …

A three-dimensional constitutive model for shape memory alloy considering transformation-induced plasticity, two-way shape memory effect, plastic yield and tension …

Z Rao, J Leng, Z Yan, L Tan, X Yan - European Journal of Mechanics-A …, 2023 - Elsevier
In this paper, a three-dimensional phenomenological constitutive model for shape memory
alloys (SMA) is proposed with consideration given to various thermomechanical …

Thermal energy harvesting in a composite beam using piezoelectric, one-way and two-way shape memory alloys

R Mohamadi, MJ Ashrafi - International Journal of Applied …, 2023 - World Scientific
Shape memory alloys (SMA) exhibit the shape memory effect (SME), allowing the alloy
which is upon a cyclic thermal loading to return to its original shape after heating beyond the …

Effective response and microstructure evolution for shape memory alloy laminated composites

AH Tavakoli, T Goudarzi, MJ Ashrafi - International Journal of Non-Linear …, 2024 - Elsevier
A model for the macroscopic mechanical behavior of rank-1 laminates including two shape
memory alloy (SMA) phases is presented. The model expresses the general behavior of the …

Nonlinear free vibration and damping analysis of a microbeam with pseudoelastic shape memory alloy layer based on the modified couple stress theory

MJ Ashrafi, I Ghaffari, M Elahinia… - Journal of Vibration …, 2021 - journals.sagepub.com
The aim of this investigation is to evaluate the size effects on the nonlinear free vibration of
the sandwich composite microbeam with an extensible shape memory alloy layer in the …

A shape memory alloy helix model accounting for extension and torsion

L Esposito, M Fraldi, E Ruocco, E Sacco - European Journal of Mechanics …, 2021 - Elsevier
In the present paper a mathematical model able to reproduce the mechanical response of a
shape memory alloy (SMA) helical spring is presented. The proposed model is based on a …

Constitutive modeling for the training process of two-way shape memory effect under thermal cyclic loading

R Hakimi, MJ Ashrafi - Journal of Intelligent Material …, 2023 - journals.sagepub.com
Shape memory alloys (SMAs)—if trained properly—can induce two-way shape memory
effect which is applicable in actuator design using SMAs. In this study, a three-dimensional …

A differentiable actuator extends potential configurations of modular robots

H Li, X Zhang, W Liang, E Xiao… - Smart Materials and …, 2024 - iopscience.iop.org
Mesenchymal stem cells (MSCs) can be differentiated into various cell lineages under the
influence of mechano-niche. Inspired by this approach, this study presents a differentiable …

A temperature-dependent model of shape memory alloys considering tensile-compressive asymmetry and the ratcheting effect

L Wang, P Feng, Y Wu, Z Liu - Materials, 2020 - mdpi.com
Tensile-compressive asymmetry and the ratcheting effect are two significant characteristics
of shape memory alloys (SMAs) during uniaxial cyclic tests, thus having received substantial …