Shape-Memory Alloys
Metallic alloys that recover a stored shape when heated above a transition temperature.
Functional Shape Recovery Response of Heat-Treated NiTiCu SHAPE Memory Alloy Wire
Heat treatment of NiTiCu shape memory alloy wires enhances their shape recovery response, achieving a high recovery ratio.
A Deformable Robot Based on Shape Memory Alloy and Phase Change Metal
This research presents a novel deformable robot that integrates Shape Memory Alloys and phase change metals for enhanced adaptability and locomotion.
Development of a Directional Vibrator Using Shape-Memory Alloy Wires
This paper proposes a compact directional vibrator using Shape-Memory Alloy wires for enhanced haptic feedback in virtual and augmented reality applications.
Martensitic Transformation in Crystal-Amorphous Superlattices of NiTi Shape Memory Alloy
Crystal-amorphous superlattices in NiTi are simulated to shift martensitic transformation behavior, boosting reversibility and stiffness while raising transformation critical stress.
HVAF Spraying of NiTi Coatings: Microstructure, Phase Transformation and Shape Memory Behavior
HVAF spraying enables thick (100–300 µm) NiTi shape-memory alloy coatings on mild steel that can undergo martensitic transformation and exhibit thermal actuation and shape memory effects after annealing.
Omnidirectional Shape Proprioception for Untethered Shape Memory Alloy‐Driven Soft Robotic Arms
This research presents a modular soft robotic arm using shape memory alloys for improved proprioception and adaptability in unstructured environments.
An Autonomous Subgram SMA-Based Swimmer
Swima is a bioinspired subgram microswimmer using onboard-powered SMA-wire actuators and computation to achieve autonomous swimming with measured speed, turning, and trajectory tracking.
Seismic performance-optimization of hybrid yielding dampers with shape-memory alloy
A new algorithm optimizes the design of hybrid dampers using shape-memory alloys to improve seismic performance in steel structures.
Coupled Thermomechanical Modelling of Ni45Ti50Cu5 Shape Memory Alloy Actuators for High-Load Applications
This research presents a thermomechanical model for high-load shape memory alloy actuators, enhancing their precision in industrial applications.
Anomalous thermal and elastic properties of an epitaxial NiTi film exhibiting R-phase
Transient grating spectroscopy tracks how an epitaxial NiTi film’s shear moduli and thermal diffusivity change across an austenite–R-phase–martensite cycle, suggesting R-phase-driven thermal switching.
Geometric memory in incomplete phase transitions across dimensions
A nucleation-and-growth model with incomplete reversion produces a geometric memory in plate-size distributions, with stronger memory in 2D than in 3D or lamellar geometries.
On the proposed concept of mechanical phasons in Ni-Mn-Ga modulated martensite
A mechanical model suggests that modulation phasons in Ni-Mn-Ga modulated martensite can produce macroscopic shear compliance for commensurate (and weakly incommensurate) modulations, but not for strongly incommensurate ones.
Thermo-mechanically coupled phase-field fracture model considering elastocaloric effect of shape memory alloy
A coupled phase-field fracture model for Mn-Cu shape memory alloys incorporates elastocaloric thermal strain from martensitic transformation to simulate crack growth and thermally assisted toughening.
4D Printing in Biomedical Implants and Functional Healthcare Devices
A review of biomedical 4D printing that links stimuli-responsive material platforms to programmed, time-dependent actuation for implants, drug delivery, and adaptive wearables.
3D Finite Element-Based Multiphysics Simulation of a Shape Memory Alloy Hybrid Composite Module
A coupled 3D ANSYS LS-DYNA multiphysics model for SMA hybrid composite actuators captures thermomechanical phase transformation and reproduces temperature-dependent hysteresis with experimental validation.
Additively manufactured Shape Memory Alloy Hybrid Composites with a polymer matrix featuring a re-entrant honeycomb structure
A fully additive SLA+TFP route fabricates SMA hybrid composites with a re-entrant honeycomb polymer structure, enabling geometry-tuned, thermally activated out-of-plane bending with improved reproducibility via automated SMA placement.
SMA Simulator: An Efficient Tool for Simulating the Partial Nonlinear Loading Cycles of Shape Memory Alloy Wire Actuators
The SMA Simulator is a MATLAB tool designed to efficiently simulate the nonlinear behavior of Shape Memory Alloy wires under various loading conditions.
Ti-Ni-Cu shape memory alloy preparation by powder metallurgy and hot forging
Ti-Ni-Cu shape memory alloys show improved properties over traditional Ti-Ni alloys, making them suitable for advanced applications.
Prestressing and Self-Healing of Fiber-Reinforced and Ultra-High-Performance Concrete Using Shape Memory Alloys
This study explores the use of shape memory alloys for prestressing and self-healing in fiber-reinforced and ultra-high-performance concrete.
Active Composite Plates with Embedded Shape-Memory Alloy Wires for Vibration Damping
This study explores the use of embedded shape-memory alloy wires in composite plates to enhance vibration damping performance.
Applications and Research of 4D Printing in Material Design
4D printing integrates smart materials into additive manufacturing so cured parts can undergo programmable, stimulus-driven shape and functionality changes over time.
Performance evaluation of a Nickel-Titanium shape memory alloy-based thermostat valve
This study presents a Nickel-Titanium shape memory alloy thermostat valve that significantly improves thermal response and efficiency in automotive cooling systems.
Isogeometric topology optimization of shape memory alloy based structures
This research presents an isogeometric analysis-based topology optimization tool for shape memory alloy structures, significantly reducing computational time.
Model-Based Design of Antagonistic Shape Memory Alloy Actuators for Bistable Structures
This research proposes a predictive model for designing antagonistic shape memory alloy actuators for adaptive bistable structures.