Article (Scientific journals)
Effect of clay modification on the mechanism of local deformations in PA6 nanocomposites
Dominkovics, Zita; Naveau, Elodie; Jérôme, Christine et al.
2013In Macromolecular Materials and Engineering, 298 (7), p. 796-805
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Keywords :
nanostructured materials; nanocomposite; clay
Abstract :
[en] PA nanocomposites are prepared from clays organophilized with a phosphonium and an ammonium salt, and sodium montmorillonite is used as reference. The analysis of mechanical and micromechanical properties of the composites reveal that several micromechanical deformation processes occur in the PA/MMT composites. The matrix cavitates at relatively small stress. Processes related to non-exfoliated clay structural units are initiated at larger stresses. Sound is emitted mainly by the fracture of particles, but debonding may also occur. The plastic deformation of the matrix dominates at larger stresses and deformations. The various local deformations are independent of each other and composite properties are not determined by silicate related processes but by the deformation of the matrix.
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Materials science & engineering
Chemistry
Author, co-author :
Dominkovics, Zita;  University of Technology and Economics and Institute of Materials Science and Environmental Chemistry, Budapest, Hungary
Naveau, Elodie ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Christine  ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Hári, József;  University of Technology and Economics and Institute of Materials Science and Environmental Chemistry, Budapest, Hungary
Renner, Károly;  University of Technology and Economics and Institute of Materials Science and Environmental Chemistry, Budapest, Hungary
Móczó, János;  University of Technology and Economics and Institute of Materials Science and Environmental Chemistry, Budapest, Hungary
Alexandre, Michaël ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Pukánszky, Béla;  University of Technology and Economics and Institute of Materials Science and Environmental Chemistry, Budapest, Hungary
Language :
English
Title :
Effect of clay modification on the mechanism of local deformations in PA6 nanocomposites
Publication date :
July 2013
Journal title :
Macromolecular Materials and Engineering
ISSN :
1438-7492
eISSN :
1439-2054
Publisher :
Wiley, Weinheim, Germany
Volume :
298
Issue :
7
Pages :
796-805
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
FINECLAY; the János Bolyai Research Scholarship
The Walloon Region in the frame of the FINECLAY program
Funders :
The National Scientific Research Fund of Hungary
Walloon region [BE]
BELSPO - Service Public Fédéral de Programmation Politique scientifique [BE]
MTA - Magyar Tudományos Akadémia [HU]
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