Viscoelasticity: why plastic bags give way when you are halfway home

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, , Citation P M Vilela and D Thompson 1999 Eur. J. Phys. 20 15 DOI 10.1088/0143-0807/20/1/002

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1 Sección Física, Pontificia Universidad Católica del Perú, Apdo 1761, Lima, Peru

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  1. Received 11 May 1998

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0143-0807/20/1/15

Abstract

We present a series of experiments suitable for introductory student laboratories that illustrate various aspects of viscoelastic behaviour. In particular, we seek to show behaviour that is different to the elastic case. The examples chosen are: the time dependence and nonlinearity of viscoelastic deformations, and the Boltzmann superposition principle.

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