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

Title
Time-dependent adhesion of a polydimethylsiloxane (PDMS) elastomer film to a flat indenter tip characterized using a cohesive-zone law
Author(s)
신동길N.T. Mai[N.T. Mai]S.T. Choi[S.T. Choi]K.H. Chung[K.H. Chung]S.R. Lee[S.R. Lee]Y.Y. Earmme[Y.Y. Earmme]
Keywords
CRACK-GROWTH; SIMULATIONS; MECHANICS; SOLIDS
Issue Date
201404
Publisher
TAYLOR & FRANCIS LTD
Citation
PHILOSOPHICAL MAGAZINE LETTERS, v.94, no.4, pp.242 - 250
Abstract
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.
URI
http://hdl.handle.net/YU.REPOSITORY/32476http://dx.doi.org/10.1080/09500839.2014.892218
ISSN
0950-0839
Appears in Collections:
공과대학 > 기계공학부 > Articles
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