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Study of the alkali treatment effect on the mechanical behavior of the composite unsaturated polyester-Alfa fibers

Published online by Cambridge University Press:  07 April 2014

Azzedine Benyahia ,
Abdellah Merrouche ,
Zine El Abidine Rahmouni ,
Mansour Rokbi ,
Walter Serge  and
Zinat Kouadri
Azzedine Benyahia*
Affiliation:
Laboratoire des Matériaux Inorganiques, Université de M’sila, 166 rue Echbilia, 28000 M’sila, Algerie
Abdellah Merrouche
Affiliation:
Laboratoire des Matériaux Inorganiques, Université de M’sila, 166 rue Echbilia, 28000 M’sila, Algerie
Zine El Abidine Rahmouni
Affiliation:
Laboratoire de développement des géomatériaux, Université de M’sila, 166 rue Echbilia, 28000 M’sila, Algerie
Mansour Rokbi
Affiliation:
Laboratoire des Matériaux Non Métalliques, UFAS Sétif, 19000, Algerie
Walter Serge
Affiliation:
École nationale supérieure de chimie de Mulhouse, France
Zinat Kouadri
Affiliation:
Laboratoire des Matériaux Inorganiques, Université de M’sila, 166 rue Echbilia, 28000 M’sila, Algerie
*
a Corresponding author: azzedinebenyahia@yahoo.fr
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Abstract

In this paper, composites based on unsaturated polyester resin reinforced with short Alfa fibers are studied in detail. Alfa fibers have been previously treated with various concentrations NaOH (1, 3, 5, 7%) during 24 h. The influence of alkali treatment on fiber morphology is analyzed. Analysis by FTIR and X-ray diffraction showed physico-chemical changes in Alfa fiber treated surfaces. SEM observations also helped to highlight these changes. The results of static tests on composites showed improvements in tensile and flexural strengths of composites reinforced with the treated fibers, particularly the composite with treated fibers at 7% NaOH. These improvements were about 30% and 50%, respectively, compared to untreated fiber reinforced composite.

Keywords

Alkali treatmentmechanical propertiesnatural fibersadhesioncrystallinity indexTraitement alkalinepropriétés mécaniquesfibres naturellesadhésionindex de cristallinité
Type
Research Article
Information
Mechanics & Industry , Volume 15 , Issue 1 , 2014 , pp. 69 - 73
Copyright
© AFM, EDP Sciences 2014

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