Large deformation and adhesive contact studies of axisymmetric membranes

A model membrane contact system consisting of an acrylic copolymer membrane and a PDMS substrate was utilized to evaluate a recently developed nonlinear large-deformation adhesive contact analysis. Direct measurements of the local membrane apex strain during noncontact inflation indicated that the n...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 29(2013), 5 vom: 05. Feb., Seite 1407-19
1. Verfasser: Laprade, Evan J (VerfasserIn)
Weitere Verfasser: Long, Rong, Pham, Jonathan T, Lawrence, Jimmy, Emrick, Todd, Crosby, Alfred J, Hui, Chung-Yuen, Shull, Kenneth R
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, N.I.H., Extramural Research Support, U.S. Gov't, Non-P.H.S. Acrylates Dimethylpolysiloxanes Nylons Polymers poly(dimethylsiloxane)-polyamide copolymer poly(n-butyl acrylate) Polymethyl Methacrylate 9011-14-7
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520 |a A model membrane contact system consisting of an acrylic copolymer membrane and a PDMS substrate was utilized to evaluate a recently developed nonlinear large-deformation adhesive contact analysis. Direct measurements of the local membrane apex strain during noncontact inflation indicated that the neo-Hookean model provides an accurate measure of membrane strain and supports its use as the strain energy function for the analysis. Two membrane contact geometries, exhibiting significantly different strain distributions during withdrawal, were investigated. The first examines the wet contact of an air pressurized membrane. The second looks at the dry contact of a fluid deformed membrane in which a stepper motor controls membrane-substrate separation. A time-dependent modulus emerges from the analysis, with principal tensions obtained from a comparison of predicted and experimental membrane profiles. The applicability of this numerical analysis for determining membrane tension, however, is limited by wrinkling instabilities and viscoelasticity. For this reason, a conceptually simpler method, based on the direct measurement of the membrane tension and contact angle, was also utilized. The traditional peel energy defined with this direct measurement accurately described the membrane/substrate adhesive interactions, giving well-defined peel energies that were independent of the detailed strain state of the membrane 
650 4 |a Journal Article 
650 4 |a Research Support, N.I.H., Extramural 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 7 |a Acrylates  |2 NLM 
650 7 |a Dimethylpolysiloxanes  |2 NLM 
650 7 |a Nylons  |2 NLM 
650 7 |a Polymers  |2 NLM 
650 7 |a poly(dimethylsiloxane)-polyamide copolymer  |2 NLM 
650 7 |a poly(n-butyl acrylate)  |2 NLM 
650 7 |a Polymethyl Methacrylate  |2 NLM 
650 7 |a 9011-14-7  |2 NLM 
700 1 |a Long, Rong  |e verfasserin  |4 aut 
700 1 |a Pham, Jonathan T  |e verfasserin  |4 aut 
700 1 |a Lawrence, Jimmy  |e verfasserin  |4 aut 
700 1 |a Emrick, Todd  |e verfasserin  |4 aut 
700 1 |a Crosby, Alfred J  |e verfasserin  |4 aut 
700 1 |a Hui, Chung-Yuen  |e verfasserin  |4 aut 
700 1 |a Shull, Kenneth R  |e verfasserin  |4 aut 
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