The determination of bond strength of polymeric films by indentation debonding
- 1 January 1988
- journal article
- Published by Taylor & Francis in Journal of Adhesion Science and Technology
- Vol. 2 (1) , 227-236
- https://doi.org/10.1163/156856188x00228
Abstract
The underlying theory for determining the bond strength between a thin flexible film and a rigid substrate by means of a conical indenter has been reanalyzed. Graphs of normalized bond strength vs. ratio of the radii of the annular debonded area have been obtained whereby the former may be obtained from an experimental determination of the latter. Experimental results were obtained by indenting polyimide films of various thicknesses on a silicon substrate and for several curing temperatures. Numerical values of the bond strength were then found from the analysis.Keywords
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