Crack engineering for the construction of arbitrary hierarchical architectures

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

27 Scopus Citations
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Author(s)

  • Wanbo Li
  • Miao Yu
  • Kentaro Mochizuki
  • Siyu Chen
  • Shuhuai Yao
  • Hongkai Wu
  • Beng S. Ong
  • Satoshi Kawata
  • Zuankai Wang
  • Kangning Ren

Related Research Unit(s)

Detail(s)

Original languageEnglish
Pages (from-to)23909-23914
Journal / PublicationProceedings of the National Academy of Sciences of the United States of America
Volume116
Issue number48
Online published7 Nov 2019
Publication statusPublished - 26 Nov 2019

Link(s)

Abstract

Three-dimensional hierarchical morphologies widely exist in natural and biomimetic materials, which impart preferential functions including liquid and mass transport, energy conversion, and signal transmission for various applications. While notable progress has been made in the design and manufacturing of various hierarchical materials, the state-of-the-art approaches suffer from limited materials selection, high costs, as well as low processing throughput. Herein, by harnessing the configurable elastic crack engineering—controlled formation and configuration of cracks in elastic materials—an effect normally avoided in various industrial processes, we report the development of a facile and powerful technique that enables the faithful transfer of arbitrary hierarchical structures with broad material compatibility and structural and functional integrity. Our work paves the way for the cost-effective, large-scale production of a variety of flexible, inexpensive, and transparent 3D hierarchical and biomimetic materials.

Research Area(s)

  • Biomimetic materials, Configurable elastic crack engineering, hierarchical structures, True 3D replication

Citation Format(s)

Crack engineering for the construction of arbitrary hierarchical architectures. / Li, Wanbo; Yu, Miao; Sun, Jing et al.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 116, No. 48, 26.11.2019, p. 23909-23914.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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