Space
Deployable structures, self-healing components and morphing systems for space.
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.
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.
Rotary 4D Printing of Programmable Metamaterials on Sustainable 4D Mandrel
A rotary 4D printing workflow fabricates modular, multi-material programmable mechanical metamaterials on a shape-morphing mandrel, enabling programmable stiffness and multi-DOF shape recovery.
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.
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.
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.
Stabilization of Martensite and Austenite Phases and Realization of Two-way Martensitic Transition in Co-Ni-Ga Ferromagnetic Shape Memory Alloy Nanoparticles
Co-Ni-Ga ferromagnetic shape memory alloy nanoparticles exhibit a reversible martensite–austenite transition with tunable magnetic properties, suggesting use in nanoactuators across temperatures.
Programmable Telescopic Soft Pneumatic Actuators for Deployable and Shape Morphing Soft Robots
Programmable Telescopic Soft Pneumatic Actuators (PTSPAs) use a parameterized geometry generator and systematic parameter exploration to enable deployable, shape-morphing soft robot locomotion in confined spaces.
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.
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.
Invisible design and acoustic scattering of metamaterial plates with active feedback control
Active feedback-controlled metamaterial plates are designed to reduce low-frequency acoustic scattering by tuning dynamic effective density, enabling “invisible” behavior for underwater vehicles.
A metamaterial with applications in broad band antennas used in radio astronomy and satellite communications
A laboratory-fabricated meta-horn antenna built from manufacturable meta-rings demonstrates an excellent octave-bandwidth feature with improved cross-polarization for radio astronomy and satellite communications.
Magneto-thermomechanically triggered active mechanical metamaterials -- untethered, reversible, reprogrammable transformations with shape locking
A magneto-thermomechanical method uses shape-memory polymer prestress and asymmetric magnetic torque to achieve untethered, reversible, reprogrammable metamaterial transformations with shape locking.
Shape-morphing structures based on perforated kirigami
Perforated kirigami uses a designed porosity distribution (via tapered-width cuts with uniform thickness) to tune bending stiffness and achieve target axisymmetric 3D morphing shapes.
Compliant morphing structures from twisted bulk metallic glass ribbons
Pre-twisted bulk metallic glass ribbons thermoformed into helicoidal stress-free states act as compliant joints, enabling deployable morphing configurations and multi-ribbon systems.
A Three-dimensional Constitutive Model for Polycrystalline Shape Memory Alloys Under Large Strains Combined With Large Rotations
A finite-deformation 3D constitutive model for polycrystalline SMAs is proposed to capture large transformation strains and large rotations using logarithmic strain and internal state variables.
Manufacturing of 3D-metallic electromagnetic metamaterials for feedhorns used in radioastronomy and satellite communications
A new metallic meta-ring electromagnetic metamaterial is theoretically justified and fabricated, enabling a compact prototype microwave antenna with a 2:1 bandwidth for radioastronomy and satellite communications.
Topological bands and triply-degenerate points in non-Hermitian hyperbolic metamaterials
A non-Hermitian topological band description for continuous hyperbolic metamaterials reveals triply-degenerate points with quantized topological charges and supports bulk-edge correspondence via Maxwell-equation simulations.
Optical left-handed metamaterials made of arrays of upright split-ring pairs
Simulations suggest an optical left-handed metamaterial made from upright split-ring pairs can achieve strong double-negative behavior and negative refraction in the near-IR.
Inhomogeneous All-Dielectric Magnetic Metamaterials
An experimentally tested inhomogeneous all-dielectric magnetic metamaterial with permeability varying from positive to negative enables localized electromagnetic field enhancement and resonant absorption under oblique incidence.
Flexible multi-band metamaterial absorber with polarization-insensitive electromagnetic stealth
This research presents a flexible electromagnetic metamaterial absorber with high absorption rates and polarization insensitivity, suitable for advanced communication and stealth applications.