Hyperelastic pressure sensing with a liquid-embedded elastomer
Identifieur interne : 003980 ( Main/Merge ); précédent : 003979; suivant : 003981Hyperelastic pressure sensing with a liquid-embedded elastomer
Auteurs : Yong-Lae Park [États-Unis] ; Carmel Majidi [États-Unis] ; Rebecca Kramer [États-Unis] ; Phillipe Brard [Suisse] ; Robert J. Wood [États-Unis]Source :
- Journal of Micromechanics and Microengineering [ 0960-1317 ] ; 2010.
Abstract
A hyperelastic pressure transducer is fabricated by embedding silicone rubber with microchannels of conductive liquid eutectic galliumindium. Pressing the surface of the elastomer with pressures in the range of 0100 kPa will deform the cross-section of underlying channels and change their electric resistance by as much as 50. Microchannels with dimensions as small as 25 m are obtained with a maskless, soft lithography process that utilizes direct laser exposure. Change in electrical resistance is measured as a function of the magnitude and area of the surface pressure as well as the cross-sectional geometry, depth and relative lateral position of the embedded channel. These experimentally measured values closely match closed-form theoretical predictions derived from plane strain elasticity and contact mechanics.
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DOI: 10.1088/0960-1317/20/12/125029
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Microeng.</title><idno type="ISSN">0960-1317</idno><idno type="eISSN">1361-6439</idno><imprint><publisher>IOP Publishing</publisher><date type="published" when="2010">2010</date><biblScope unit="volume">20</biblScope><biblScope unit="issue">12</biblScope><biblScope unit="page" from="1">1</biblScope><biblScope unit="page" to="6">6</biblScope><biblScope unit="production">Printed in the UK & the USA</biblScope></imprint><idno type="ISSN">0960-1317</idno></series><idno type="istex">10BF63427606B1DB13D7BDA216D2E4A516C13DF4</idno><idno type="DOI">10.1088/0960-1317/20/12/125029</idno><idno type="PII">S0960-1317(10)67356-1</idno><idno type="articleID">367356</idno><idno type="articleNumber">125029</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0960-1317</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">A hyperelastic pressure transducer is fabricated by embedding silicone rubber with microchannels of conductive liquid eutectic galliumindium. Pressing the surface of the elastomer with pressures in the range of 0100 kPa will deform the cross-section of underlying channels and change their electric resistance by as much as 50. Microchannels with dimensions as small as 25 m are obtained with a maskless, soft lithography process that utilizes direct laser exposure. Change in electrical resistance is measured as a function of the magnitude and area of the surface pressure as well as the cross-sectional geometry, depth and relative lateral position of the embedded channel. These experimentally measured values closely match closed-form theoretical predictions derived from plane strain elasticity and contact mechanics.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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