Herringbone buckling patterns of compressed thin films on compliant substrates

Xi CHEN, John W. HUTCHINSON

Research output: Journal PublicationsJournal Article (refereed)peer-review

524 Citations (Scopus)

Abstract

A thin metal film vapor deposited on thick elastomer substrate develops an equi-biaxial compressive stress state when the system is cooled due to the large thermal expansion mismatch between the elastomer and the metal. At a critical stress, the film undergoes buckling into a family of modes with short wavelengths characteristic of a thin plate on a compliant elastic foundation. As the system is further cooled, a highly ordered herring-bone pattern has been observed to develop. Here it is shown that the herringbone mode constitutes a minimum energy configuration among a limited set of competing modes.
Original languageEnglish
Pages (from-to)597-603
Number of pages7
JournalJournal of Applied Mechanics
Volume71
Issue number5
DOIs
Publication statusPublished - Sept 2004
Externally publishedYes

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