Automotive
Adaptive components, morphing surfaces and self-healing coatings for vehicles.
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.
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.
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.
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.
FUTURE OF 4D PRINTING IN SOFT ROBOTICS AND INTELLIGENT AUTOMATION
A 2015–2025 review synthesizes how 4D printing with stimulus-responsive materials enables programmable, adaptive soft robotics and intelligent automation, while highlighting remaining barriers to translation.
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.
Study on Acoustic Metamaterial Unit Cells: Acoustic Absorption Characteristics of Novel Tortuously Perforated Helmholtz Resonator with Consideration of Elongated Acoustic Propagation Paths
A perforated, tortuous Helmholtz-resonator unit cell is modeled and optimized to extend acoustic path length and improve low-frequency broadband sound absorption for duct mufflers.
Duct Metamaterial Muffler with Composite Acoustic Porous Media: Acoustic Optimization via Periodic Arrangement, Particle Swarm Optimization and Experimental Validation
A composite acoustic porous duct metamaterial muffler with periodic tortuous channels and optimized porous layers achieves improved broadband transmission loss validated by experiments.
Enhancing Shape Recovery and Mechanical Properties of Bisphenol-A-Epoxy-Based Shape Memory Polymer Composites (SMPCs) Using Amine Curing Agent Blends
Blending Bisphenol-A epoxy SMP with amine curing agents and adding carbon fillers improves curing/mechanics and yields faster, stronger shape recovery, with best results at 3 wt% filler.
Overcoming dead zones in ultrasonic sensors with acoustic metamaterial
Helmholtz resonator-based acoustic metamaterials reduce ultrasonic group velocity near resonance, improving time resolution and enabling more accurate distance sensing within the sensor dead zone.