Numerical investigation on adhesion properties of graphene nanofilm debonding from substrate

The adhesion properties of graphene nanofilm are studied by finite element simulation according to an approach of blister test. The critical debonding load and debonding deflection are calculated, and their dependence on the geometrical dimensions of the graphene nanofilm is analysed when the graphe...

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Bibliographic Details
Published in:Materials research innovations 2015-04, Vol.19 (sup1), p.S1-403-S1-406
Main Authors: Wang, C. J., Guo, J. G.
Format: Article
Language:English
Subjects:
Adhesion
Adhesion energy
Adhesion tests
Blister test
Debonding
Debonding deflection
Debonding load
Deflection
Graphene
Mathematical analysis
Nanostructure
Substrates
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Summary:The adhesion properties of graphene nanofilm are studied by finite element simulation according to an approach of blister test. The critical debonding load and debonding deflection are calculated, and their dependence on the geometrical dimensions of the graphene nanofilm is analysed when the graphene nanofilm begins to debond from the substrate. The results of simulation show a good agreement with the theoretical results as well as the corresponding experiment results. Furthermore, the influence of adhesion energy and graphene thickness on the debonding behaviour of graphene nanofilm is also investigated, and the results show that there exist an obvious size effects for the critical debonding load and debonding deflection.
ISSN:1432-8917
1433-075X
DOI:10.1179/1432891715Z.0000000001579