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Viscoelastic Behavior of a Centrally Loaded Circular Film Being Clamped at the Circumference

Published online by Cambridge University Press:  01 February 2011

Michelle L Oyen ,
Kuo-kang Liu  and
Kai-tak Wan
Michelle L Oyen
Affiliation:
mlo29@cam.ac.uk, Cambridge University, Engineering Department, Trumpington St, Cambridge, CB2 1PZ, United Kingdom
Kuo-kang Liu
Affiliation:
i.k.liu@keele.ac.uk, Keele University, ISTM School of Medicine, Stoke-on-Trent, ST4 7QB UK, United Kingdom
Kai-tak Wan
Affiliation:
ktwan@coe.neu.edu, Northeastern University, Mechanical and Industrial Eng, 360 Huntington Ave, Boston, MA, 02115, United States
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Abstract

A new theoretical model is constructed for the viscoelastic response of a clamped circular membrane deformed by a spherical indenter, using the classical Maxwell and Standard Linear Solid (SLS) constitutive equations. Preliminary stress-relaxation experiments are performed for a hydrogel membrane and the corresponding data fitted to the SLS-based viscoelastic model.

Keywords

viscoelasticitythin filmstress/strain relationship
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1049: Symposium AA – Fundamentals of Nanoindentation and Nanotribology IV , 2007 , 1049-AA07-08-OO08-08
Copyright
Copyright © Materials Research Society 2008

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References

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