Aerospace
Aircraft and spacecraft applications including morphing wings, adaptive surfaces and lightweight structures.
A novel mechanical metamaterial with tunable mechanical and compression-torsion properties
A proposed mechanical metamaterial tunes Poisson’s ratio, elastic modulus, and compression–torsion properties by altering unit cell number and how unit cells are combined, aiming to reduce redesign and manufacturing cost.
Heat breaks the rules at the nanoscale and scientists used it to their advantage
Nanoscale gold metamaterials can boost heat transfer across tiny gaps by up to 4×, enabling more efficient thermal management and precision heat engineering.
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.
Modeling of Self-Healing Polymer Composites Reinforced with Nanoporous Glass Fibers
Continuum rate-equation modeling and numerical simulations suggest that parameter choices can partially overcome fatigue and delay mechanical property degradation in self-healing polymer composites with nanoporous glass fibers.
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.
Mechanical analysis of composite leaf springs made by 4D printing method
4DPC composite leaf springs curl from a flat layup into a curved beam, and residual stresses at the 90° layer surface reduce tensile loading enough to improve fatigue resistance.
4D printing for crack trapping and adaptive damage-tolerant structures
A review synthesizes how 4D printing can enable crack trapping and damage-tolerant behavior through smart, metamaterial-based self-sensing and time-dependent shape change.
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.
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.
Transformation front kinetics in deformable ferromagnets
A continuum magneto-mechanical framework is developed to derive thermodynamic driving forces and efficiently model transformation-front kinetics in deformable ferromagnets and magnetic shape-memory alloys.
Variational phase-field modeling of fracture and fatigue in shape memory alloys: a one-dimensional study
A new 1D variational phase-field model links SMA phase transformation and damage to reproduce distinctive fracture localization and fatigue trends in Ni-Ti multi-wire samples.
Design, modelling and experimental validation of bipenniform shape memory alloy-based linear actuator integrable with hydraulic stroke amplification mechanism
A bio-inspired bipenniform SMA coil linear actuator is modelled and experimentally validated, achieving 257 N at 15 V and reduced drive mechanism weight and energy versus a stepper motor benchmark.
Comparison of derivative-free and gradient-based minimization for multi-objective compositional design of shape memory alloys
Using physics-informed ML surrogates and optimization, gradient-based TRUST-CONSTR paired with a neural network more consistently finds SMA compositions that balance martensitic start temperature and cost than derivative-free COBYLA.
Generative Inversion for Property-Targeted Materials Design: Application to Shape Memory Alloys
A GAN-inversion framework coupled with property prediction enables property-targeted inverse design of high-performance NiTi-based shape memory alloys, validated by experimental synthesis.
Snap-Through Thermomechanical Metamaterials for High-Performance Thermal Rectification
A snap-through thermomechanical metamaterial thermal diode using SMA springs and bistable copper strips achieves strong, passive thermal rectification with validated experiments and scalable modular stacking.
Revisiting the cofactor conditions: Elimination of transition layers in compound domains
A new algebraic compatibility framework predicts conditions for eliminating transition layers and yields novel zero-elastic-energy microstructures that can improve shape-memory alloy reversibility and durability.
4D Printing Technology and Its Application Possibilities in Unmanned Aerial Vehicles (UAVs)
4D printing uses smart materials that can change shape or function over time in response to stimuli, offering potential for more adaptive and durable UAV components.
Tailored continuous flax fiber-reinforced shape memory polymer biocomposites: Enhanced thermomechanical and shape memory performance for sustainable structural applications
Continuous flax fiber-reinforced shape memory polymer biocomposites are tailored to improve thermomechanical behavior and shape-memory performance for sustainable structural use.
Quasi-static shape control of soft, morphing structures
A general quasi-static shape-control framework for soft morphing structures is developed, analyzing how large deformations and compliance affect equilibrium topology and stability, illustrated with a snap-through-prone Kirchhoff rod.
HGX: Un Material Cuántico Regenerativo Autorreparable y Multifuncional para una nueva era Tecnológica
HGX is presented as a multifunctional, self-healing quantum-regenerative material claimed to improve batteries, optical fibers, quantum chips, and HL-LHC technologies.
2D-to-3D transformation of ring origami via snap-folding instabilities
By adding out-of-plane natural curvature to ring-origami rods, 2D rings can spontaneously snap into designed 3D equilibrium shapes with controllable mono- or multistability.
Integrated damage sensing and self-healing in polymers and composites: Progress and opportunities
The article reviews how integrated damage sensing and self-healing can be achieved in polymers and composites, contrasting living materials with synthetic strategies and outlining opportunities to expand beyond soft polymers.
Physics-Informed Neural Networks for Programmable Origami Metamaterials with Controlled Deployment
A data-free physics-informed neural network enables inverse design of conical Kresling origami metamaterials with programmable multistable energy barriers and controlled, sequential deployment validated on prototypes.
Numerical Study on Shape Recovery Behaviors of Shape Memory Polymer Composite Hinges Considering Hysteresis Effect
A hysteresis-inclusive constitutive model for SMPC hinges enables finite element prediction of recovered configurations and identifies design factors to improve shape recovery ratio.