Constitutive property evaluation of polymeric coatings using nanomechanical methods

X. Xia, A. Strojny, L. E. Scriven, W. W. Gerberich, A. Tsou, C. C. Anderson

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Yield stress and modulus of polymeric coatings on polyethylene terephthalate (PET) film have been measured by nanomechanical methods. Yield stresses were found with a simplified version of Johnson's cavity model of elastic-plastic indentation and Tabor's approximation. Moduli were obtained by the tangent method. From creep and relaxation measurements, viscoelastic moduli were extracted with the aid of the standard three-parameter model.

Original languageEnglish (US)
Pages (from-to)199-204
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
Volume522
StatePublished - Dec 1 1998

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