Journal
MECHANICS OF MATERIALS
Volume 69, Issue 1, Pages 185-194Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mechmat.2013.10.005
Keywords
Nanoindentation; Bio-sourced adhesive; Strain rate's dependence; Size effect; Cohesive zone model
Categories
Funding
- Carnot-Mines
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A bio-sourced adhesive made of 75%w/w rosin and 25%w/w beeswax was studied in terms of tack and mechanical properties. These behaviours were highlighted by experimental nanoindentation. They depend strongly upon the applied strain rate and are moreover dictated by a size effect (Indentation Size Effect). The goal of this paper is to model these phenomena in order to simulate any nanoindentation test on this adhesive. At first, the dependence on strain rate and the macroscopic law of material behaviour were characterised by means of compression tests. Then the size effect was identified by inverse analysis from the nanoindentation tests by adjusting a zoning. And finally, a cohesive zone model was implemented to represent the tackiness of the material. The experimental measurements and the numerical results are in good agreement. (C) 2013 Elsevier Ltd. All rights reserved.
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