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Elastic-strain distribution in metallic film-polymer substrate composites

Article dans une revue avec comité de lecture
Author
GEANDIER, Guillaume
54493 Université de Poitiers
RENAULT, Pierre Olivier
54493 Université de Poitiers
LE BOURHIS, Éric
54493 Université de Poitiers
GOUDEAU, Philippe H.
118112 Institut Pprime [PPRIME]
FAURIE, Damien
1001053 Laboratoire des Propriétés Mécaniques et Thermodynamiques des Matériaux [LPMTM]
LE BOURLOT, Christophe
1001053 Laboratoire des Propriétés Mécaniques et Thermodynamiques des Matériaux [LPMTM]
DJ́MIA, Ph
1001053 Laboratoire des Propriétés Mécaniques et Thermodynamiques des Matériaux [LPMTM]
CASTELNAU, Olivier
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
CH́RIF, S. M.
1001053 Laboratoire des Propriétés Mécaniques et Thermodynamiques des Matériaux [LPMTM]

URI
http://hdl.handle.net/10985/18682
DOI
10.1063/1.3293450
Date
2010
Journal
Applied Physics Letters

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.

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