Solvent-induced damage in polyimide thin films
- 1 June 1991
- journal article
- Published by Springer Nature in Journal of Materials Research
- Vol. 6 (6) , 1374-1383
- https://doi.org/10.1557/jmr.1991.1374
Abstract
Solvent induced crazes formed in strained polyimide thin films on different substrates have been studied. A fracture mechanics approach has been used to simulate craze evolution. The experiments and simulations have identified a critical prestrain below which craze formation does not occur. This strain decreases with increase in solvent exposure time, but also exhibits a threshold. Diffusion of the solvent into the film is considered to be responsible for the time-dependent nature of damage formation.Keywords
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