Failure of multilayered viscoelastic polymers

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Failures of multilayered polymers can be categorized into two modes: macroscale failure and microscale failure. Macroscale failure refers to excessive overall creep deformation. Microscale failure refers to microscopic free edge delamination and /or crack propagation due to local concentrated stresses. In the present study, a macroscale model for creep deformation is developed and experimentally verified. For linear viscoelastic materials the model is derived from classical laminate plate theory and is capable of characterizing polymers with directional properties. Creep test results for laminated Nylon66/orthotropic liquid crystalline polymer (linear) specimens agreed well with the analytical model predictions. A case study in which the macroscale failure model is applied to design of multilayered tubes is also presented.

Original languageEnglish (US)
Title of host publication20th Technical Conference of the American Society for Composites 2005
Pages1777-1789
Number of pages13
StatePublished - Dec 1 2005
Event20th Technical Conference of the American Society for Composites 2005 - Philadelphia, PA, United States
Duration: Sep 7 2005Sep 9 2005

Publication series

Name20th Technical Conference of the American Society for Composites 2005
Volume3

Other

Other20th Technical Conference of the American Society for Composites 2005
CountryUnited States
CityPhiladelphia, PA
Period9/7/059/9/05

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