Shape memory alloy (SMA) actuators: The role of material, form, and scaling effects

MS Kim, JK Heo, H Rodrigue, HT Lee… - Advanced …, 2023‏ - Wiley Online Library
Shape memory alloys (SMAs) are smart materials that are widely used to create intelligent
devices because of their high energy density, actuation strain, and biocompatibility …

Stimulus-responsive shape memory materials: a review

L Sun, WM Huang, Z Ding, Y Zhao, CC Wang… - Materials & Design, 2012‏ - Elsevier
Stimulus-responsive materials are able to response to a particular stimulus, such as, heat,
chemical, and light. As such, they are smarter and more intelligent than ordinary materials …

[HTML][HTML] Shape memory materials

WM Huang, Z Ding, CC Wang, J Wei, Y Zhao… - Materials today, 2010‏ - Elsevier
After being severely and quasi-plastically distorted, shape memory materials (SMMs) are
able to recover their original shape at the presence of the right stimulus. In recent years we …

Nanoscale shape-memory alloys for ultrahigh mechanical dam**

JS Juan, ML Nó, CA Schuh - Nature nanotechnology, 2009‏ - nature.com
Shape memory alloys undergo reversible transformations between two distinct phases in
response to changes in temperature or applied stress 1. The creation and motion of the …

High frequency, low power, electrically actuated shape memory alloy MEMS bimorph thermal actuators

CR Knick, DJ Sharar, AA Wilson… - Journal of …, 2019‏ - iopscience.iop.org
Shape memory alloys (SMAs) have the potential to be used for a wide variety of
microelectromechanical systems (MEMS) applications, providing a unique combination of …

Modeling a sample size-dependency of martensitic phase transformation using a mesoscale framework

M Vasoya, DC Lagoudas - International Journal of Plasticity, 2023‏ - Elsevier
Predicting a sample size-dependency of the constitutive response of any material system
when it is being used in nano-and micro-scale devices, such as NEMS and MEMS, is very …

Size effects in shape memory alloy microwires

Y Chen, CA Schuh - Acta Materialia, 2011‏ - Elsevier
In shape memory alloys, the reversible phase transformations between austenite and
martensite give rise to superelasticity and shape memory properties. Here we systematically …

Superelasticity and shape memory in micro‐and nanometer‐scale pillars

J San Juan, ML Nó, CA Schuh - Advanced Materials, 2008‏ - Wiley Online Library
Micro-and nanoelectromechanical systems (MEMS and NEMS, respectively) are being
developed intensively and constitute a new paradigm of technological development for the …

Loss of pseudoelasticity in nickel–titanium sub-micron compression pillars

CP Frick, S Orso, E Arzt - Acta Materialia, 2007‏ - Elsevier
Nickel–titanium (NiTi) is capable of undergoing pseudoelastic deformation wherein
relatively large amounts of inelastic deformation are recovered upon load removal due to a …

Phase transformations of nanocrystalline martensitic materials

T Waitz, K Tsuchiya, T Antretter, FD Fischer - MRS bulletin, 2009‏ - cambridge.org
The physical phenomena and engineering applications of martensitic phase transformations
are the focus of intense ongoing research. The martensitic phase transformation and …