SUPERPOSITION OF SMALL STRAINS ON LARGE DEFORMATIONS AS A PROBE OF NONLINEAR RESPONSE IN POLYMERS.

Gregory B. McKenna, Louis J. Zapas

Research output: Contribution to journalConference article

2 Scopus citations

Abstract

The purpose of this paper is to show that, although there may be structural changes associated with the mechanical deformation of polymer glasses, the superposition of small strains on large as a probe of such changes gives ambiguous results. We show this by carrying out experiments on a concentrated solution of polyisobutylene (PIB) and on a PMMA glass. The authors rationalize the results in the context of the single integral non-linear viscoelastic constitutive equation of B. Bernstein.

Original languageEnglish
Pages (from-to)582-585
Number of pages4
JournalAnnual Technical Conference - Society of Plastics Engineers
StatePublished - 1985

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