TITLE

Elastic-strain distribution in metallic film-polymer substrate composites

AUTHOR(S)
Geandier, G.; Renault, P.-O.; Le Bourhis, E.; Goudeau, Ph.; Faurie, D.; Le Bourlot, C.; Djémia, Ph.; Castelnau, O.; Chérif, S. M.
PUB. DATE
January 2010
SOURCE
Applied Physics Letters;1/25/2010, Vol. 96 Issue 4, p041905
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Synchrotron x-ray radiation was used for in situ strain measurements during uniaxial tests on polymer substrates coated by a metallic gold film 400 nm thick deposited without interlayer or surface treatment. X-ray diffraction allowed capturing both components elastic strains and determining how these were partitioned between the metallic film and the polymeric substrate. For strains below 0.8%, deformation is continuous through the metal-polymer interface while above, the onset of plasticity in the metallic film induces a shift between film and substrate elastic strains.
ACCESSION #
47807493

 

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