Consumer Electronics
Adaptive interfaces, foldable devices and tunable optics.
Scientists discover a strange property in rice and turn it into a smart material
A rice-derived, pressure-rate-dependent effect was used to engineer a material that automatically adapts stiffness to distinguish gentle motion from sudden impacts.
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.
Light-activated gel could impact wearables, soft robotics, and more
A light-activated, biocompatible soft gel is reported to dramatically change its conductivity, supporting ionotronics-style interfaces for wearables and soft robotics.
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.
3D printing on pre-stressed textiles: peel test evaluation of adhesion factors in 4D textiles
A factorial study identifies printing and pre-tension parameters that maximize peel-test adhesion between 3D-printed reinforcements and pre-stressed textile substrates in 4D textiles.
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.
Vision-assisted 4D printing of a silicone gripper with integrated sensors and high energy density actuators
A vision-guided, one-shot DIW process embeds a strain sensor and coiled SMA actuator into a silicone gripper to enable closed-loop, energy-efficient 4D morphing for real tasks.
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.
Fundamentals and Uses of 4D Printing on Textiles
This review summarizes how 4D printing of smart, stimuli-responsive polymers on textiles can enable fabrics that change shape or properties for intelligent adaptive textile systems.
Study on vertical printing of thermally driven PLA actuators: residual stress modulation in FDM-based 4D printing
Vertical thermally driven PLA 4D printing can modulate residual stress via nozzle temperature and printing speed, enabling controlled multi-level bending in a fabricated thermally responsive fan-blade structure.
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.
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.
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.
Acoustic Metamaterial Nanogenerator for Multi-Band Sound Insulation and Acoustic–Electric Conversion
An acoustic metamaterial nanogenerator uses multi-local resonance to deliver tunable multi-band sound insulation (up to 40 dB) while converting low-frequency sound into electricity via a TENG.
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.
Single-material 4D-printed shape-morphing structures via spatially patterned strain trapping
A single-step, single-material 4D printing approach uses spatially patterned strain trapping to program one-way, spatially controlled shape morphing without secondary post-programming.
Directed Shape Morphing using Kirigami-enhanced Thermoplastics
Uniform heating of Kirigami-patterned, heat-shrinkable thermoplastic bilayers can autonomously morph flat sheets into complex 3D shapes designed by geometry.
Dynamic shaping of multi-touch stimuli by programmable acoustic metamaterial
A programmable acoustic metamaterial is used to dynamically shape multi-touch stimuli.
Inverse Design of Planar Clamped-Free Elastic Rods from Noisy Data
An inverse-design framework computes a planar rod’s natural shape from a desired deformed target, and uses adjoint-based sensitivity learning to improve robustness to noisy data.
Design and Fabrication of String-driven Origami Robots
A software-plus-dual-material 3D printing workflow designs and fabricates string-driven origami structures, enabling TSA-actuated crawling robots and robotic arms.
A postbuckling-based metamaterial for switching the propagation of surface acoustic waves
A postbuckling-based elastic-beam metamaterial can switch surface acoustic wave propagation by toggling between a bandgap (OFF) and bandgap elimination via buckling (ON), using only mechanical effects.
Origami Single-end Capacitive Sensing for Continuous Shape Estimation of Morphing Structures
A single-end origami-integrated capacitive sensing method (FxC) can track continuous morphing shape by correlating capacitive signals with geometry via deep learning.
Transmission loss of a labyrinthine acoustic metamaterial augmented with multichannel feedforward active noise control
A labyrinthine acoustic metamaterial is augmented with multichannel feedforward active noise control to improve transmission loss.
Learning Electromagnetic Metamaterial Physics With ChatGPT
A fine-tuned LLM can predict absorptivity spectra of all-dielectric electromagnetic metamaterial metasurfaces from text geometry prompts and can be used for inverse geometry design.