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From hard to rubber-like: mechanical properties of resorcinol–formaldehyde aerogels

Schwan, Marina and Ratke, Lorenz and Naikade, Manoj and Raabe, Dierk (2015) From hard to rubber-like: mechanical properties of resorcinol–formaldehyde aerogels. Journal of Materials Science, 50, pp. 5482-5493. Springer. doi: 10.1007/s10853-015-9094-x. ISSN 0022-2461.

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Four types of resorcinol–formaldehyde (RF) aerogels, stiff, brittle, low-flexible, and super-flexible are studied in this work. Despite several studies on mechanical properties on RF aerogels their response when exposed to compressive loading and their fracture behavior are not well investigated. Here, we cover aerogels with a very broad density range of 0.08–0.3 g cm-3 and compressive moduli from 0.12 to 28 MPa. We relate the microstructure of the synthesized aerogels and their behavior under uniaxial compression. Additionally, this work is the first, to our knowledge, to implement the usage of digital image correlation for characterizing the deformation of RF aerogels. The comparison of surface strain distribution of four types of aerogels provides an insight to their reaction on compressive loading.

Item URL in elib:https://elib.dlr.de/96578/
Document Type:Article
Title:From hard to rubber-like: mechanical properties of resorcinol–formaldehyde aerogels
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Schwan, Marinamarina.schwan (at) dlr.deUNSPECIFIED
Ratke, Lorenzlorenz.ratke (at) dlr.deUNSPECIFIED
Naikade, Manojm.naikade (at) mpie.deUNSPECIFIED
Raabe, DierkMPIE, DüsseldorfUNSPECIFIED
Date:19 May 2015
Journal or Publication Title:Journal of Materials Science
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 5482-5493
Keywords:Resorcin-Formaldehyd Aerogele, mechanische Eigenschaften, DIC
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - NGC Fahrzeugstruktur (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > Aerogele
Deposited By: Schwan, Marina
Deposited On:17 Sep 2015 07:43
Last Modified:06 Sep 2019 15:27

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