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Title: The role of the backing layer in the mechanical properties of micrometer-scale fibrillar structures
Authors: Guidoni, GriseldaSchillo, DominikHangen, UdeCastellanos, GracielaArzt, EduardMcMeeking, RobertBennewitz, Roland
Issue Date: 2010
Published in: Jahresbericht ... / Leibniz-Institut für Neue Materialien, Volume 2009, Page 28-34
Publisher: Saarbrücken : Leibniz-Institut für Neue Materialien
Abstract: The contact mechanics of a micro-fabricated fibrillar surface structure made of poly(dimethylsiloxane) (PDMS) was studied in this work. The attachment and detachment of individual fibrils to and from a spherical indenter upon approach and retraction are detected as jumps in force and stiffness. A quantitative model describes the jumps in stiffness values by taking into account the deformation of the backing layer. The results emphasize the importance of long-range interactions in the contact mechanics of elastic materials and confirm the concepts underlying the development of fibrillar adhesive materials.
DDC: 620
License: This document may be downloaded, read, stored and printed for your own use within the limits of § 53 UrhG but it may not be distributed via the internet or passed on to external parties.
Dieses Dokument darf im Rahmen von § 53 UrhG zum eigenen Gebrauch kostenfrei heruntergeladen, gelesen, gespeichert und ausgedruckt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.
Appears in Collections:Ingenieurwissenschaften



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