It is important to study the Behaviour of high-density polyethylene (HDPE) under notch effects as it is widely used in industrial applications (Qi, 2018). However, there are only a few studies on the Behaviour of HDPE with defects, this work aims to study the deformation mechanisms under a tensile test experimentally performed on blank and notched specimens at constant speed and room temperature, and by developing our study by simulating HDPE using commercial software code.
The behavior of polymers is remarkably related to temperature, its influence on physical characteristics should not be denied in the study of mechanical or physical behavior, especially in the study of forming processes that require an important apport of mechanical and thermal efforts. The behavior of polymers is strongly linked to a known temperature margin noted Tg and called glass transition temperature, above which the configuration of the macromolecular chains goes largely mobile, and dependence with temperature occurs more dramatically. This dependence is especially remarkable than the dependence with time for viscoelastic materials. Our work is a contribution to the study and characterization of the behavior of thermoplastic polymers with thermal damage, the damage model proposed reflects the state of damage to a structure made of ABS (Acrylonitrile-Butadiene-Styrene) undergoes both mechanical and thermal damagee under different temperature spectra.
Aims:To introduce the temperature influence on the mechanical behavior of polymers through damage variable, and the evolution of this variable with respect to temperature. Study Design: We study dumbbell shape flat plate specimens made by ABS under a thermomechanical effort.
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