Design and Fabrication of Heterogeneous, Deformable Substrates for the Mechanically Guided 3D Assembly

Haiwen Luan, Xu Cheng, Ao Wang, Shiwei Zhao, Ke Bai, Heling Wang, Wenbo Pang, Zhaoqian Xie, Kan Li, Fan Zhang, Yeguang Xue, Yonggang Huang, Yihui Zhang

Research output: Contribution to journalArticle

Abstract

Development of schemes to form complex three-dimensional (3D) mesostructures in functional materials is a topic of broad interest, thanks to the ubiquitous applications across a diversity of technologies. Recently established schemes in the mechanically guided 3D assembly allow deterministic transformation of two-dimensional structures into sophisticated 3D architectures by controlled compressive buckling resulted from strain release of prestretched elastomer substrates. Existing studies mostly exploited supporting substrates made of homogeneous elastomeric material with uniform thickness, which produces relatively uniform strain field to drive the 3D assembly, thus posing limitations to the geometric diversity of resultant 3D mesostructures. To offer nonuniform strains with desired spatial distributions in the 3D assembly, this paper introduces a versatile set of concepts in the design of engineered substrates with heterogeneous integration of materials of different moduli. Such heterogeneous, deformable substrates can achieve large strain gradients and efficient strain isolation/magnification, which are difficult to realize using the previously reported strategies. Theoretical and experimental studies on the underlying mechanics offer a viable route to the design of heterogeneous, deformable substrates to yield favorable strain fields. A broad collection of 3D mesostructures and associated heterogeneous substrates is fabricated and demonstrated, including examples that resemble windmills, scorpions, and manta rays and those that have application potentials in tunable inductors and vibrational microsystems.

Original languageEnglish (US)
Pages (from-to)3482-3492
Number of pages11
JournalACS Applied Materials and Interfaces
Volume11
Issue number3
DOIs
StatePublished - Jan 23 2019

Fingerprint

Fabrication
Substrates
Elastomers
Functional materials
Microsystems
Spatial distribution
Buckling
Mechanics

Keywords

  • buckling
  • heterogeneous materials
  • soft materials
  • strain engineering
  • three-dimensional assembly

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Luan, Haiwen ; Cheng, Xu ; Wang, Ao ; Zhao, Shiwei ; Bai, Ke ; Wang, Heling ; Pang, Wenbo ; Xie, Zhaoqian ; Li, Kan ; Zhang, Fan ; Xue, Yeguang ; Huang, Yonggang ; Zhang, Yihui. / Design and Fabrication of Heterogeneous, Deformable Substrates for the Mechanically Guided 3D Assembly. In: ACS Applied Materials and Interfaces. 2019 ; Vol. 11, No. 3. pp. 3482-3492.
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Luan, H, Cheng, X, Wang, A, Zhao, S, Bai, K, Wang, H, Pang, W, Xie, Z, Li, K, Zhang, F, Xue, Y, Huang, Y & Zhang, Y 2019, 'Design and Fabrication of Heterogeneous, Deformable Substrates for the Mechanically Guided 3D Assembly' ACS Applied Materials and Interfaces, vol. 11, no. 3, pp. 3482-3492. https://doi.org/10.1021/acsami.8b19187

Design and Fabrication of Heterogeneous, Deformable Substrates for the Mechanically Guided 3D Assembly. / Luan, Haiwen; Cheng, Xu; Wang, Ao; Zhao, Shiwei; Bai, Ke; Wang, Heling; Pang, Wenbo; Xie, Zhaoqian; Li, Kan; Zhang, Fan; Xue, Yeguang; Huang, Yonggang; Zhang, Yihui.

In: ACS Applied Materials and Interfaces, Vol. 11, No. 3, 23.01.2019, p. 3482-3492.

Research output: Contribution to journalArticle

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