Effects of Free Quenching on Mechanical, Thermomechanical and Thermophysical Properties of Titanium Dioxide-Pigmented Polystyrene


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Abstract

In this study, the effects of the free quenching temperature on mechanical, thermomechanical and thermophysical properties of pigmented polystyrene (PS/TiO2) with 3% of TiO2 were investigated. Thermal conductivity and thermal diffusivity of the titanium dioxide pigmented polystyrene were measured using a periodic method. The results show a slow improvement of the notched Izod impact strength obtained after a second quenching at 15 and 35°C; whereas thermal conductivity and diffusivity reached a minimum value at the quenching temperature of 35°C. However, the effect on the thermophysical properties is only noted for the second quenching temperature 35°C. The study allowed examining the effect of quenching temperature, filler concentration and material thickness on the transient thermal behavior of the titanium dioxide pigmented polystyrene.

About the authors

D. Dadache

Faculté des Science et de la Technologie

Email: f_rouabah2002@yahoo.fr
Algeria, Arreridj, 34000

F. Rouabah

Laboratoire de Physico-Chimie des Hauts Polymères

Author for correspondence.
Email: f_rouabah2002@yahoo.fr
Algeria, Sétif, 19000

M. Fois

Centre d’Etudes et de Recherches en Thermique, Environnement et Systèmes, Paris-Est Créteil

Email: f_rouabah2002@yahoo.fr
France, Créteil cedex, 94010

M. Guellal

Laboratoire de Génie des Procédés Chimiques

Email: f_rouabah2002@yahoo.fr
Algeria, Sétif, 19000

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