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Journal of Materials Science

Erschienen in:

01.08.2015 | Original Paper

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

verfasst von: Marina Schwan, Manoj Naikade, Dierk Raabe, Lorenz Ratke

Erschienen in: Journal of Materials Science | Ausgabe 16/2015

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Abstract

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.

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Titel: From hard to rubber-like: mechanical properties of resorcinol–formaldehyde aerogels
verfasst von: Marina Schwan
Manoj Naikade
Dierk Raabe
Lorenz Ratke
Publikationsdatum: 01.08.2015
Verlag: Springer US
Erschienen in: Journal of Materials Science / Ausgabe 16/2015
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI: https://doi.org/10.1007/s10853-015-9094-x

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