Time-dependent adhesion of a polydimethylsiloxane (PDMS) elastomer film to a flat indenter tip characterized using a cohesive-zone law

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The work of adhesion between a polydimethylsiloxane (PDMS) elastomer film and a flat diamond tip was measured by instrumented indentation. The results showed that the apparent work of adhesion between the tip and the PDMS film increases with increasing dwell time and retreating velocity; on the other hand, the indentation depth has no significant effect on adhesion. The indentation experiment was analysed with viscoelastic finite element simulations with rate-dependent cohesive elements, from which the time evolution of adhesion was quantitatively implemented into a rate-dependent cohesive-zone law.
Publisher
TAYLOR & FRANCIS LTD
Issue Date
2014-04
Language
English
Article Type
Article
Keywords

CRACK-GROWTH; SIMULATIONS; MECHANICS; SOLIDS

Citation

PHILOSOPHICAL MAGAZINE LETTERS, v.94, no.4, pp.242 - 250

ISSN
0950-0839
DOI
10.1080/09500839.2014.892218
URI
http://hdl.handle.net/10203/187258
Appears in Collection
ME-Journal Papers(저널논문)
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