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Li, Jian
European Research Council
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2023Emergence of instability-driven domains in soft stratified materialscitations
- 2023Tunable buckling configurations via in-plane periodicity in soft 3D-fiber composites: Simulations and experiments
- 2020Embedded High-Density Trench Capacitors for Smart Catheterscitations
- 2020Strategically Constructed Bilayer Tin (IV) Oxide as Electron Transport Layer Boosts Performance and Reduces Hysteresis in Perovskite Solar Cellscitations
- 2020Aramid nanofiber and modified ZIF-8 constructed porous nanocomposite membrane for organic solvent nanofiltrationcitations
- 2009Genome-wide association study of exercise behavior in dutch and american adultscitations
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article
Tunable buckling configurations via in-plane periodicity in soft 3D-fiber composites: Simulations and experiments
Abstract
We study the buckling of soft 3D-fiber composites (FCs) with varying in-plane microstructure periodicity. Through our experiments and simulations, we find that the out-of-plane buckling orientation of fibers is determined by the constituent material properties, volume fractions, and the in-plane periodicity. The examples are given for the FCs with rectangular in-plane arrangement of fibers, i.e., the fibers are periodically situated at distance from each other in one principal direction and distance along the other principal direction ( ). We provide a buckling configuration map in the design-space of geometric parameters (fiber volume fraction and in-plane periodicity aspect ratio, ). Pre-determined by the microstructure parameters, the fibers buckle towards (i) the first principal direction along which the fibers are closer to each other, or (ii) the second principal direction, or (iii) towards a non-principal direction. Furthermore, we find that the characteristics of the buckling plane map is governed by the shear modulus contrast between the phases of FCs. We anticipate that the distinct instability patterns reported here will enrich the design-space for building deformation-controlled tunable materials. ; The authors are grateful for the support of the European Research Council (ERC) through Grant No. 852281- MAGIC. ; peer-reviewed