Stress-assisted formation of surface gratings on polymer films

Chiao Chi Lin; Fuqian Yang; Joannie W. Chin; Lipiin Sung; Sanboh Lee

doi:10.1002/pen.23395

Stress-assisted formation of surface gratings on polymer films

Chiao Chi Lin, Fuqian Yang, Joannie W. Chin, Lipiin Sung, Sanboh Lee

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The effect of biaxial-residual-compressive surface stress on the surface modulation of solid films is analyzed. The results show that the biaxial compressive stress can create surface modulation with the orientation being 45° (135°) to the principal directions of the stresses. Using uniaxial tension, a complementary set of nonsymmetrical polymer ripple gratings is formed on the fracture surface of a polymer film that is sandwiched between two relatively glass slides. The effect of geometrical shape and boundary confinement is examined on the surface modulation. The orientation of the polymer ripple gratings is found to be 45° to the longitudinal direction of the films for long-rectangular polymer thin films in accord with the analysis.

Original language	English
Pages (from-to)	1454-1462
Number of pages	9
Journal	Polymer Engineering and Science
Volume	53
Issue number	7
DOIs	https://doi.org/10.1002/pen.23395
State	Published - Jul 2013

ASJC Scopus subject areas

General Chemistry
Polymers and Plastics
Materials Chemistry

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abstract = "The effect of biaxial-residual-compressive surface stress on the surface modulation of solid films is analyzed. The results show that the biaxial compressive stress can create surface modulation with the orientation being 45° (135°) to the principal directions of the stresses. Using uniaxial tension, a complementary set of nonsymmetrical polymer ripple gratings is formed on the fracture surface of a polymer film that is sandwiched between two relatively glass slides. The effect of geometrical shape and boundary confinement is examined on the surface modulation. The orientation of the polymer ripple gratings is found to be 45° to the longitudinal direction of the films for long-rectangular polymer thin films in accord with the analysis.",

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AU - Lin, Chiao Chi

AU - Yang, Fuqian

AU - Chin, Joannie W.

AU - Sung, Lipiin

AU - Lee, Sanboh

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AB - The effect of biaxial-residual-compressive surface stress on the surface modulation of solid films is analyzed. The results show that the biaxial compressive stress can create surface modulation with the orientation being 45° (135°) to the principal directions of the stresses. Using uniaxial tension, a complementary set of nonsymmetrical polymer ripple gratings is formed on the fracture surface of a polymer film that is sandwiched between two relatively glass slides. The effect of geometrical shape and boundary confinement is examined on the surface modulation. The orientation of the polymer ripple gratings is found to be 45° to the longitudinal direction of the films for long-rectangular polymer thin films in accord with the analysis.

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Stress-assisted formation of surface gratings on polymer films

Abstract

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