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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Etude par spectroscopie Raman du polypropylène isotactique au cours de sa déformation uniaxiale / Study of the uniaxial deformation of isotactic polypropylene by Raman spectroscopy

Martin, Julien 20 October 2009 (has links)
L'étude propose d'utiliser la spectroscopie Raman comme une méthode optique rapide et non-destructive pour la caractérisation microstructurale des matériaux polymères. L'objectif du travail est de fournir un ensemble de signatures spectrales Raman adapté au suivi de la cristallinité, de l'orientation macromoléculaire et de l'endommagement volumique du polypropylène isotactique soumis à une sollicitation mécanique de traction uniaxiale / In this study, Raman spectroscopy is used as an optical method, fast and non destructive, for microstructural characterization of polymeric materials. The main purpose of the work is to collect spectral assignments enable to follow some microstructural features such as crystallinity, molecular orientation and volume strain of isotactic polypropylene under uniaxial tension

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