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The Non-Linear Behaviour Of A Model Related To The Fracture Of Composite Materials

Published online by Cambridge University Press:  15 February 2011

Alberto Varone
Affiliation:
INFM-Dipartimento di Scienze Fisiche, Universith di Cagliari, 1–09124 Cagliari, Italy
Franco Meloni
Affiliation:
INFM-Dipartimento di Scienze Fisiche, Universith di Cagliari, 1–09124 Cagliari, Italy
Francesco Ginesu
Affiliation:
Mechanical Engineering Department, University of Cagliari, Italy
Francesco Aymerich
Affiliation:
Mechanical Engineering Department, University of Cagliari, Italy
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Abstract

The fracture of a fibre reinforced graphite peek polymer is considered when dynamic load is applied. The energy-time diagram shows various critical points during cyclic tensile loading. A quantitative analysis based on the study of the fractal dimension of the chaotic attractor in the representative phase space will allow us to individuate the physical parame ters responsible of the stability range of the material. A new simple model has been derived and successfully tested from a non-linear chaotic scheme. The present approach appears very promising for a future interdisciplinary study for evaluating the physical response of real massive materials under stress.

Type
Research Article
Copyright
Copyright © Materials Research Society 1996

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