Abstract
The peeling behavior of the film peeling off from the fixed end to the free end (FIFR) and from the free end to the fixed end (FRFI) of the flexible cantilever substrate are studied theoretically. The analysis results indicate the film is more easily peeled off from FIFR of the flexible cantilever substrate than that from FRFI of the flexible cantilever substrate. And the peel-off force of FIFR decreases with the decreasing of flexural rigidity of substrate B, adhesion energy G, the elastic modus E and thickness h of the film, while increases with the decreasing the arc length l between the fixed end and the peeling front. However, the variation of the peel-off force of FRFI is opposite to FIFR. In addition, the peel-off force of FIFR keeps mostly unchangeable when B and Eh are greater than their respective thresholds. Furthermore, there exists a critical value of peeling angle for FRFI, which is related to G, B and l. Beyond this critical value, the peel-off force is relatively large and independent of the peeling angle.
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