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Studies on Thermal and Mechanical Properties of Glass Fiber-Reinforced Unsaturated Polyester/Benzoxazine Composites
, Hussein Ali Abed
Published in International Journal of Science and Research (IJSR)
Volume: 5.0
Issue: 10.0
Unsaturated polyester/benzoxazine copolymer was employed to prepare polyester/benzoxazine/glass fiber compositelaminates and their mechanical, morphological, and thermal properties were investigated. Compared with those of 100UPR/0PBZ/10GFcomposites, the tensile strength and flexural strength of 90UPR/10PBZ/10GF composites with 10 wt % polybenzoxazine content wereincreased by 10 % and 6 %, respectively. The enhancements in mechanical properties are mainly due to the strong interfacial adhesionsbetween glass fiber and UPR/PBZ matrices, which were confirm by the SEM images of fracture surfaces of the composites. Curingbehavior of glass fiber filed composite was investigated by differential scanning calorimetry analysis. All UPR/PBZ/GF compositelaminates are thermally stable up to 270 0C in air. Furthermore, TGA thermograms revealed that the degradation temperatures ofUPR/PBZ/GF composite increased with compare UPR/GF composite. UPR/PBZ/GF composite laminates will have potentialapplications in the areas where require of excellent mechanical properties and high temperature resistance.
About the journal
JournalInternational Journal of Science and Research
PublisherInternational Journal of Science and Research (IJSR)
Open Access0