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Interface fracture of polymer films : blister test experiments and modelling
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Figiel, Lukasz and Lauke, Bernd (2006) Interface fracture of polymer films : blister test experiments and modelling. International Journal of Fracture, Volume 139 (Number 1). pp. 71-89. doi:10.1007/s10704-006-6999-z ISSN 0376-9429.
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Official URL: http://dx.doi.org/10.1007/s10704-006-6999-z
Abstract
The interface fracture between a rigid substrate and polymer film is investigated in this work using pressurised blister test experiments and modelling. The interface crack growth is studied for two different types of polymer films: stiff and compliant ones. The pressurised blister test is used to provide critical pressure-crack length curves for different loading media (water and electrolyte solutions) and loading rates. Two different analytical approaches and a numerical modelling concept are used to determine the critical total energy release rate as a function of the crack length (crack resistance curve or R-curve). A relatively flat R-curve is observed for the system with the stiff polymer film, whilst R-curve for the compliant film system exhibits an increasing tendency. The mixed-mode fracture behaviour occurs for both investigated polymer film systems, as shown by the value of the mixed-mode angle that is constant for all investigated crack lengths. R-curves are nearly unaffected by different loading media, whereas the loading rate has a strong influence on the interface fracture of the compliant file system. Finite element method-based prediction of the total energy release rate is in good agreement with that obtained from analytical expressions.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Journal or Publication Title: | International Journal of Fracture | ||||
Publisher: | Springer | ||||
ISSN: | 0376-9429 | ||||
Official Date: | 2006 | ||||
Dates: |
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Volume: | Volume 139 | ||||
Number: | Number 1 | ||||
Page Range: | pp. 71-89 | ||||
DOI: | 10.1007/s10704-006-6999-z | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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