In-situ birefringence microscopy of uniaxially stretched metal-polymer laminate

R. van Tijum, B. V. C. de Jong, W. P. Vellinga, J. Th. M. De Hosson*

*Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    4 Citations (Scopus)
    355 Downloads (Pure)

    Abstract

    This paper concentrates on revealing the local deformation as a function of applied strain in a polymer coating supported by a plastically deforming and roughening metal substrate. To this end in-situ bireffingence microscopy measurements have been executed. The measurements are performed in reflection and an alternative unwrapping scheme for the optical path difference is proposed. From the characterization of PET (polyethylene terephthalate) coated stainless steel it is concluded that strain localization appears below the macroscopic strain at yield and that the surface roughness of the substrate is the driving force of the localization. (c) 2006 Elsevier B.V. All rights reserved.

    Original languageEnglish
    Pages (from-to)4633-4639
    Number of pages7
    JournalSurface & Coatings Technology
    Volume201
    Issue number8
    DOIs
    Publication statusPublished - 15-Jan-2007

    Keywords

    • metal-polymer coating
    • in-situ birefiringence microscopy
    • shear bands
    • interface roughness
    • DEFORMATION
    • BEHAVIOR

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