Sustainable bean pod/calcined kaolin reinforced epoxy hybrid composites with enhanced mechanical, water sorption and corrosion resistance properties

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dc.contributor.authorKaya, Gulcihan Guzel
dc.contributor.authorYilmaz, Elif
dc.contributor.authorDeveci, Huseyin
dc.date.accessioned2020-03-26T19:55:49Z
dc.date.available2020-03-26T19:55:49Z
dc.date.issued2018
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThe industrial and academic world is becoming more interested in advanced composite materials owing to the increasing global awareness on environmental and social issues. From this point of view, novel epoxy hybrid composites were prepared by utilizing bean pod as an agricultural waste and calcined kaolin with the addition of varying ratios (0.5-5.0 wt%) to fixed weight of 3 wt% bean pod. The resulting hybrid composites were characterized by different analyses and tests to evaluate physico-mechanical and thermal properties. X-ray diffraction (XRD) and scanning electron microscopy (SEM) analyses showed uniform dispersion of hybrid filler in the neat epoxy resin which revealed better compatibility between hybrid filler and epoxy resin. Tensile strength of hybrid composite including 2 wt% calcined kaolin (39.8 MPa) was higher than those of the other hybrid composites. The water sorption percentage of the hybrid composites was effectively decreased until 0.87% with increasing amount of calcined kaolin. The hybrid composite including 5 wt% calcined kaolin exhibited highly corrosion resistance to alkali and salty solutions compared to acidic reagents. Thermogravimetric analyses (TGA) and vicat softening temperature (VST) tests revealed that an important improvement was not observed in degradation temperatures of the hybrid composites; however, residue at 650 degrees C increased up to 21.0% in the presence of calcined kaolin. It can be said that the hybrid composites mentioned above came into prominence with high tensile strength, quite low water uptake and excellent corrosion resistance in alkali and salty environments. (C) 2017 Elsevier Ltd. All rights reserved.en_US
dc.description.sponsorshipAcademic Staff Training Program [2016-OYP-071]; TUBITAK for 2211-E Direct PhD Scholarship ProgrammeTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK); Selcuk University Scientific Research FoundationSelcuk Universityen_US
dc.description.sponsorshipThe authors would like to thank to the Academic Staff Training Program (Project Number: 2016-OYP-071), TUBITAK for 2211-E Direct PhD Scholarship Programme, and Selcuk University Scientific Research Foundation.en_US
dc.identifier.doi10.1016/j.conbuildmat.2017.12.046en_US
dc.identifier.endpage279en_US
dc.identifier.issn0950-0618en_US
dc.identifier.issn1879-0526en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage272en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.conbuildmat.2017.12.046
dc.identifier.urihttps://hdl.handle.net/20.500.12395/36969
dc.identifier.volume162en_US
dc.identifier.wosWOS:000425564400027en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherELSEVIER SCI LTDen_US
dc.relation.ispartofCONSTRUCTION AND BUILDING MATERIALSen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectHybrid compositesen_US
dc.subjectPolymer-matrix compositesen_US
dc.subjectMechanical propertiesen_US
dc.subjectWater sorptionen_US
dc.subjectCorrosion resistanceen_US
dc.subjectThermal propertiesen_US
dc.titleSustainable bean pod/calcined kaolin reinforced epoxy hybrid composites with enhanced mechanical, water sorption and corrosion resistance propertiesen_US
dc.typeArticleen_US

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