Origami metamaterials for tunable thermal expansion

E Boatti, N Vasios, K Bertoldi - Advanced Materials, 2017 - Wiley Online Library
Materials with engineered thermal expansion, capable of achieving targeted area/volume
changes in response to variations in temperature, are important for a number of aerospace …

Soft mechanical metamaterials with unusual swelling behavior and tunable stress-strain curves

H Zhang, X Guo, J Wu, D Fang, Y Zhang - Science advances, 2018 - science.org
Soft adaptable materials that change their shapes, volumes, and properties in response to
changes under ambient conditions have important applications in tissue engineering, soft …

[PDF][PDF] Harnessing buckling to design architected materials that exhibit effective negative swelling

J Liu, T Gu, S Shan, SH Kang, JC Weaver, K Bertoldi - Adv. Mater, 2016 - academia.edu
DOI: 10.1002/adma. 201600812 that buckling can trigger large bending deformation, we
exploit mechanical instabilities to design a new class of 2D architected materials with …

Superior overall performance of zero thermal expansion ZrW2O8/Al–Si composite

C Zhou, C Liu, Y Zhou, H Zhang, H Sun, C Yu… - Ceramics …, 2023 - Elsevier
Zero thermal expansion (ZTE) materials show excellent dimensionally stability under
temperature fluctuations, which are urgently demanded in high-precision devices. However …

Thin Films with Ultra‐low Thermal Expansion

N Yamamoto, E Gdoutos, R Toda, V White… - Advanced …, 2014 - Wiley Online Library
Advanced structured materials consisting of periodic lattices of repeated unit cells with
selected material properties have been shown to achieve unprecedented deformation …

Long-range piezoelectric actuator with large load capacity using inchworm and stick-slip driving principles

S Shao, S Song, Y Shao, M Xu - Precision Engineering, 2022 - Elsevier
Conventional long-range piezoelectric actuators (LRPAs) can produce large travel motions
based on stepping driving actions. However, their load capacity is limited due to the difficulty …

Three-dimensional assembled dual-material lattice with tailorable thermal expansion: design method, modeling, and testing

Y Wang, L Geng, Y Lian, M Xu, D Fang - Composite Structures, 2022 - Elsevier
The lightweight dual-material metal lattice structure with the tailorable coefficient of thermal
expansion (CTE) has attracted increasing attention for aerospace applications. However …

Structure and control strategy for a piezoelectric inchworm actuator equipped with MEMS ridges

S Shao, S Song, N Chen, M Xu - Sensors and Actuators A: Physical, 2017 - Elsevier
Compared with conventional piezoelectric inchworm actuators (PIAs), which rely on a
frictional mechanism to produce large stroke and force outputs, PIAs equipped with MEMS …

Wavefront Control Strategies for Large Active Thin Shell Primaries with Unimorph Actuators

K Wang, Y Yu, A Preumont - Actuators, 2023 - mdpi.com
This paper presents various aspects of the wavefront control strategies for an ultra-
lightweight composite reflector made of polymers for the large primary of a space telescope …

Effective negative swelling of hydrogel-solid composites

M Curatolo - Extreme Mechanics Letters, 2018 - Elsevier
Effective negative swelling is a phenomenon that refers to the reduction of a solid volume
after absorption of a solvent. Here, I focus on hydrogel solids and propose an alternative …