Mechanics Modeling of Hierarchical Wrinkle Structures from the Sequential Release of Prestrain

Yeguang Xue, Won Kyu Lee, Jianghong Yuan, Teri W Odom, Yonggang Huang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Three-dimensional (3D) hierarchical wrinkles can be generated on prestrained thermoplastic substrates by sequential cycles of skin layer growth followed by the release of prestrain. However, no mechanics models have explained the formation of multigenerational nanostructures using this nanofabrication process. This article describes an analytical model that can represent multiscale wrinkles with arbitrary numbers of generations. Structural features including wrinkle wavelengths and amplitudes on the nanoscale that are predicted by minimizing the total deformation energy of the system. The calculated wavelengths in each generation are in good agreement with experiment. Our mathematical approach provides design principles for achieving multigenerational hierarchical structures.

Original languageEnglish
JournalLangmuir
DOIs
Publication statusAccepted/In press - Jan 1 2018

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Mechanics
Wavelength
nanofabrication
Nanotechnology
wavelengths
Thermoplastics
Analytical models
Nanostructures
Skin
cycles
Substrates
Experiments
energy

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

Cite this

Mechanics Modeling of Hierarchical Wrinkle Structures from the Sequential Release of Prestrain. / Xue, Yeguang; Lee, Won Kyu; Yuan, Jianghong; Odom, Teri W; Huang, Yonggang.

In: Langmuir, 01.01.2018.

Research output: Contribution to journalArticle

Xue, Yeguang ; Lee, Won Kyu ; Yuan, Jianghong ; Odom, Teri W ; Huang, Yonggang. / Mechanics Modeling of Hierarchical Wrinkle Structures from the Sequential Release of Prestrain. In: Langmuir. 2018.
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