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Drying of aerogel-bonded sands

Reuß, Michael and Ratke, Lorenz (2010) Drying of aerogel-bonded sands. Journal of Materials Science, 45 (15), pp. 3974-3980. Springer. DOI: 10.1007/s10853-010-4464-x ISSN 0022-2461

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Official URL: http://www.springerlink.com/content/v33870110744p1hk/

Abstract

The drying of foundry sands bonded by polymeric aerogels is of essential importance for their industrial application and of general interest in the context of drying theories for porous media, since in these new materials the interstices between the sand grains are partially filled with an open porous nanostructured material, the aerogel. We describe measurements on the drying of various foundry sands with different amounts of aerogelic binder made from resorcinol and formaldehyde in which we also varied the drying temperature. The results suggest that the nanostructured aerogel dictates completely the drying behaviour. Sand type and sand grain size are of minor relevance. A simple qualitative picture is developed describing the observations.

Item URL in elib:https://elib.dlr.de/64411/
Document Type:Article
Title:Drying of aerogel-bonded sands
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Reuß, MichaelUNSPECIFIEDUNSPECIFIED
Ratke, Lorenzlorenz.ratke (at) dlr.deUNSPECIFIED
Date:May 2010
Journal or Publication Title:Journal of Materials Science
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:45
DOI :10.1007/s10853-010-4464-x
Page Range:pp. 3974-3980
Publisher:Springer
ISSN:0022-2461
Status:Published
Keywords:aerogels, sand, drying, capillarity, nanostructure, wetting
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W - no assignment
DLR - Research area:Space
DLR - Program:W - no assignment
DLR - Research theme (Project):W - no assignment (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space
Deposited By: Ratke, Prof. Lorenz
Deposited On:21 Jun 2010 09:24
Last Modified:06 Sep 2019 15:27

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