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dc.contributor.authorMahato, Kishore Kumar-
dc.contributor.authorDutta, Krishna-
dc.contributor.authorPrusty, Rajesh Kumar-
dc.contributor.authorRay, Bankim Chandra-
dc.identifier.citation1st International Conference on Processing and Characterization of Materials (ICPCM 2018), Rourkela, India, 6-8 December, 2018en_US
dc.descriptionCopyright of this document belongs to proceedings publisher.en_US
dc.description.abstractFiber reinforced polymeric (FRP) composite materials are currently used in numerous structural and materials related applications. But, during their in-service period these composites were exposed to different changing environmental conditions. Present investigation is planned to explore the effect of thermal-shock exposure on the mechanical properties of nano-TiO2 enhanced glass fiber reinforced polymeric (GFRP) composites. The samples were conditioned at +70°C temperature for 36 h followed by further conditioning at – 60°C temperature for the similar interval of time. In order to estimate the thermal-shock influence on the mechanical properties, tensile tests of the conditioned samples were carried out at 1 mm/min loading rate. The polymer phase i.e. epoxy was modified with different nanoTiO2 content (i.e. 0.1, 0.3 and 0.5 wt. %). The tensile strength of 0.1 wt.% nano-TiO2 GFRP filled composites exhibited higher ultimate tensile strength(UTS) among all other composites. The possible reason may be attributed to the good dispersion of nanoparticles in polymer matrix corresponds to proper stress transfer during thermal-shock conditioning. In order to access the variations in the viscoelastic behavior and glass transition temperature due to the addition of nano-TiO2 in GFRP composite and also due to the thermal shock conditioning, dynamic mechanical thermal analysis (DMTA) measurements were carried out. Different modes of failures and strengthening morphology in the composites were analyzed under scanning electron microscope (SEM).en_US
dc.subjectGlass fiber reinforced polymer (GFRP)en_US
dc.subjectUltimate tensile strength (UTS)en_US
dc.subjectDynamic mechanical thermal analysis (DMTA)en_US
dc.titleThermal shock effect of nano-TiO2 enhanced glass fiber reinforced polymeric composites: An assessment on tensile and thermal behavioren_US
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