Experimental Research on Influence of Temperature and Compression on Wrinkle Evolution of Thin Films on Compliant Substrates

Abstract:

Wrinkle evolution under temperature and compression was experimentally explored in a metal film deposited on a compliant polymer. After wrinkle formation, the samples undergo thermal annealing in different temperature circumstances. In the range of 75-150°C, the wavelength and amplitude of wrinkles became both smaller as the temperature increased, indicating that annealing effectively releases residual stress and promote material modification. In contrast, compression only changed wrinkle rearrangement, and did not alter the wavelength and amplitude. These results suggest that external stimulation can transform wrinkled surfaces. This work provides the guidance for service conditions of surface wrinkling.

• Periodical: Key Engineering Materials (Volumes 609-610)
• Pages: 504-508
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.609-610.504
• Online since: April 2014
• Authors: Xiao Li Zhao*, Sui Xing Zhang, Wei Wei An, Hai Chao Yu, Zhan Shan Liu
• Keywords: Compression, Evolution, Poly(Dimethylsiloxane) (PDMS), Temperature, Wrinkle

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