Fabrication Process of Silicone-based Dielectric Elastomer Actuators
Identifieur interne : 003F73 ( Ncbi/Curation ); précédent : 003F72; suivant : 003F74Fabrication Process of Silicone-based Dielectric Elastomer Actuators
Auteurs : Samuel Rosset [Suisse] ; Oluwaseun A. Araromi [Suisse] ; Samuel Schlatter [Suisse] ; Herbert R. Shea [Suisse]Source :
- Journal of Visualized Experiments : JoVE [ 1940-087X ] ; 2016.
Abstract
This contribution demonstrates the fabrication process of dielectric elastomer transducers (DETs). DETs are stretchable capacitors consisting of an elastomeric dielectric membrane sandwiched between two compliant electrodes. The large actuation strains of these transducers when used as actuators (over 300% area strain) and their soft and compliant nature has been exploited for a wide range of applications, including electrically tunable optics, haptic feedback devices, wave-energy harvesting, deformable cell-culture devices, compliant grippers, and propulsion of a bio-inspired fish-like airship. In most cases, DETs are made with a commercial proprietary acrylic elastomer and with hand-applied electrodes of carbon powder or carbon grease. This combination leads to non-reproducible and slow actuators exhibiting viscoelastic creep and a short lifetime. We present here a complete process flow for the reproducible fabrication of DETs based on thin elastomeric silicone films, including casting of thin silicone membranes, membrane release and prestretching, patterning of robust compliant electrodes, assembly and testing. The membranes are cast on flexible polyethylene terephthalate (PET) substrates coated with a water-soluble sacrificial layer for ease of release. The electrodes consist of carbon black particles dispersed into a silicone matrix and patterned using a stamping technique, which leads to precisely-defined compliant electrodes that present a high adhesion to the dielectric membrane on which they are applied.
Url:
DOI: 10.3791/53423
PubMed: 26863283
PubMed Central: 4781713
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PMC:4781713Le document en format XML
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Araromi</name><affiliation wicri:level="4"><nlm:aff id="ID1">Microsystems for Space Technologies Laboratory, Ecole Polytechnique Fédérale de Lausanne</nlm:aff><country>Suisse</country><placeName><settlement type="city">Lausanne</settlement><region nuts="3" type="region">Canton de Vaud</region></placeName><orgName type="university">École polytechnique fédérale de Lausanne</orgName></affiliation></author><author><name sortKey="Schlatter, Samuel" sort="Schlatter, Samuel" uniqKey="Schlatter S" first="Samuel" last="Schlatter">Samuel Schlatter</name><affiliation wicri:level="4"><nlm:aff id="ID1">Microsystems for Space Technologies Laboratory, Ecole Polytechnique Fédérale de Lausanne</nlm:aff><country>Suisse</country><placeName><settlement type="city">Lausanne</settlement><region nuts="3" type="region">Canton de Vaud</region></placeName><orgName type="university">École polytechnique fédérale de Lausanne</orgName></affiliation></author><author><name sortKey="Shea, Herbert R" sort="Shea, Herbert R" uniqKey="Shea H" first="Herbert R." last="Shea">Herbert R. 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Araromi</name><affiliation wicri:level="4"><nlm:aff id="ID1">Microsystems for Space Technologies Laboratory, Ecole Polytechnique Fédérale de Lausanne</nlm:aff><country>Suisse</country><placeName><settlement type="city">Lausanne</settlement><region nuts="3" type="region">Canton de Vaud</region></placeName><orgName type="university">École polytechnique fédérale de Lausanne</orgName></affiliation></author><author><name sortKey="Schlatter, Samuel" sort="Schlatter, Samuel" uniqKey="Schlatter S" first="Samuel" last="Schlatter">Samuel Schlatter</name><affiliation wicri:level="4"><nlm:aff id="ID1">Microsystems for Space Technologies Laboratory, Ecole Polytechnique Fédérale de Lausanne</nlm:aff><country>Suisse</country><placeName><settlement type="city">Lausanne</settlement><region nuts="3" type="region">Canton de Vaud</region></placeName><orgName type="university">École polytechnique fédérale de Lausanne</orgName></affiliation></author><author><name sortKey="Shea, Herbert R" sort="Shea, Herbert R" uniqKey="Shea H" first="Herbert R." last="Shea">Herbert R. Shea</name><affiliation wicri:level="4"><nlm:aff id="ID1">Microsystems for Space Technologies Laboratory, Ecole Polytechnique Fédérale de Lausanne</nlm:aff><country>Suisse</country><placeName><settlement type="city">Lausanne</settlement><region nuts="3" type="region">Canton de Vaud</region></placeName><orgName type="university">École polytechnique fédérale de Lausanne</orgName></affiliation></author></analytic><series><title level="j">Journal of Visualized Experiments : JoVE</title><idno type="eISSN">1940-087X</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>This contribution demonstrates the fabrication process of dielectric elastomer transducers (DETs). DETs are stretchable capacitors consisting of an elastomeric dielectric membrane sandwiched between two compliant electrodes. The large actuation strains of these transducers when used as actuators (over 300% area strain) and their soft and compliant nature has been exploited for a wide range of applications, including electrically tunable optics, haptic feedback devices, wave-energy harvesting, deformable cell-culture devices, compliant grippers, and propulsion of a bio-inspired fish-like airship. In most cases, DETs are made with a commercial proprietary acrylic elastomer and with hand-applied electrodes of carbon powder or carbon grease. This combination leads to non-reproducible and slow actuators exhibiting viscoelastic creep and a short lifetime. We present here a complete process flow for the reproducible fabrication of DETs based on thin elastomeric silicone films, including casting of thin silicone membranes, membrane release and prestretching, patterning of robust compliant electrodes, assembly and testing. The membranes are cast on flexible polyethylene terephthalate (PET) substrates coated with a water-soluble sacrificial layer for ease of release. The electrodes consist of carbon black particles dispersed into a silicone matrix and patterned using a stamping technique, which leads to precisely-defined compliant electrodes that present a high adhesion to the dielectric membrane on which they are applied.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Pelrine, R" uniqKey="Pelrine R">R Pelrine</name></author><author><name sortKey="Kornbluh, R" uniqKey="Kornbluh R">R Kornbluh</name></author><author><name sortKey="Pei, Q" uniqKey="Pei Q">Q Pei</name></author><author><name sortKey="Joseph, J" uniqKey="Joseph J">J Joseph</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Keplinger, C" uniqKey="Keplinger C">C Keplinger</name></author><author><name sortKey="Li, T" uniqKey="Li T">T Li</name></author><author><name sortKey="Baumgartner, R" uniqKey="Baumgartner R">R Baumgartner</name></author><author><name sortKey="Suo, Z" uniqKey="Suo Z">Z 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Leong</name></author><author><name sortKey="Chung, D" uniqKey="Chung D">D Chung</name></author></analytic></biblStruct><biblStruct></biblStruct><biblStruct><analytic><author><name sortKey="Lotz, P" uniqKey="Lotz P">P Lotz</name></author><author><name sortKey="Matysek, M" uniqKey="Matysek M">M Matysek</name></author><author><name sortKey="Schlaak, H" uniqKey="Schlaak H">H Schlaak</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Tepel, D" uniqKey="Tepel D">D Tepel</name></author><author><name sortKey="Hoffstadt, T" uniqKey="Hoffstadt T">T Hoffstadt</name></author><author><name sortKey="Maas, J" uniqKey="Maas J">J Maas</name></author></analytic></biblStruct></listBibl></div1></back></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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