EFFECT OF THERMAL AGEING ON THE BEHAVIOUR OF GLASS POLYETHYLENE COMPOSITE : EXPERIMENTS AND MODELLING

Paper number 1246

EFFECT OF THERMAL AGEING ON THE BEHAVIOUR OF GLASS POLYETHYLENE COMPOSITE : EXPERIMENTS AND MODELLING

L. Meylheuc¹, Y. Remond¹ and Ch. Wagner²

1LPMP EP647 CNRS
Université Louis Pasteur - ECPM
25, rue Becquerel
F-67087 Strasbourg Cedex
2LPMT Université de Haute Alsace - ENSITM
11, rue Alfred Werner
F-68093 Mulhouse Cedex

Summary After defining different ways to implement accelerated ageing of a reinforced short glass fibre thermoplastic, we try to study the changes of its mechanical behaviour in function of time. A model is then build up with an ageing internal variable taking into account the viscoelasticity and the damage evolution of the material.

Keywords ageing, polyethylene, short glass fibre, creep, tension test.

Theme : Mechanical and Physical Properties ; Creep and Viscoelastic Behaviour

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Summary	After defining different ways to implement accelerated ageing of a reinforced short glass fibre thermoplastic, we try to study the changes of its mechanical behaviour in function of time. A model is then build up with an ageing internal variable taking into account the viscoelasticity and the damage evolution of the material.
Keywords	ageing, polyethylene, short glass fibre, creep, tension test.