Article (Scientific journals)
Interphases, gelation, vitrication, porous glasses and the generalized Cauchy relation: epoxy/silica nanocomposites
Philipp, Martine; Müller, Ulrich; Jiménez Riobóo, R. J. et al.
2009In New Journal of Physics, 11 (2), p. 023015
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Abstract :
[en] The generalized Cauchy relation (gCR) of epoxy/silica nanocomposites does not show either the chemically induced sol–gel transition or the chemically induced glass transition in the course of polymerization. Astonishingly, by varying the silica nanoparticles’ concentration between 0 and 25 vol%in the composites, the Cauchy parameter A of the gCR remains universal and can be determined from the pure epoxy’s elastic moduli. Air-filled porous silica glasses are considered as models for percolated silica particles. A longitudinal modulus versus density representation evidences the aforementioned transition phenomena during polymerization of the epoxy/silica nanocomposites. The existence of optically and mechanically relevant interphases is discussed.
Disciplines :
Physics
Materials science & engineering
Identifiers :
UNILU:UL-ARTICLE-2009-098
Author, co-author :
Philipp, Martine ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Müller, Ulrich ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Jiménez Riobóo, R. J.;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit ; Instituto de Ciencia de Materiales de Madrid (CSIC), Campus de Cantoblanco
Baller, Jörg ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit ; s/n, E-28049 Madrid, Spain
Sanctuary, Roland ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Possart, Wulff
Krüger, Jan-Kristian ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Language :
English
Title :
Interphases, gelation, vitrication, porous glasses and the generalized Cauchy relation: epoxy/silica nanocomposites
Publication date :
2009
Journal title :
New Journal of Physics
ISSN :
1367-2630
Publisher :
Institute of Physics, Bristol, United Kingdom
Volume :
11
Issue :
2
Pages :
023015
Peer reviewed :
Peer Reviewed verified by ORBi
Additional URL :
Available on ORBilu :
since 29 December 2013

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