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Delamination of Compressed Thin Films

Gioia, Gustavo and Ortiz, Michael (1997) Delamination of Compressed Thin Films. In: Advances in Applied Mechanics. Vol.33. Academic Press , San Diego, CA, pp. 119-192. ISBN 978-0-12-002033-1.

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In this article, we specifically concern ourselves with the buckling-driven delamination mechanism, whereby a portion of the film buckles away from the substrate, thereby forming a blister (also termed buckle or wrinkle). Blisters may grow by interfacial fracture, a process which, under the appropriate conditions, may result in the catastrophic failure of the component. Blisters are often observed to adopt convoluted-even bizarre shapes and to fold into intricate patterns. A principal objective of this article is to review some recent developments based on the use of direct methods of the calculus of variations which have proven useful for understanding the mechanics of folding of thin films (Ortiz and Gioia, 1994). These developments are reviewed in Section III, which is extracted from the original publication. The remaining sections are devoted to the application of these principles to the problem of predicting the shape of thin-film blisters.

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Ortiz, Michael0000-0001-5877-4824
Additional Information:© 1997 Academic Press. This work has been funded by the National Science Foundation through Brown University's Materials Research Group on "Micro-Mechanics of Failure Resistant Materials." We are grateful to Ashraf F. Bastawros of Brown University for making available to us the unpublished micrograph in Figure 8.
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Official Citation:Gustavo Gioia, Michael Ortiz, Delamination of Compressed Thin Films, Editor(s): John W. Hutchinson, Theodore Y. Wu, In Advances in Applied Mechanics, Elsevier, Volume 33, 1997, Pages 119-192, ISSN 0065-2156, ISBN 9780120020331, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:83881
Deposited By: Lydia Suarez
Deposited On:13 Dec 2017 19:09
Last Modified:15 Nov 2021 20:14

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