TAILIEUCHUNG - Báo cáo vật lý: "Flexural and Morphological Properties of Epoxy/Glass Fibre/SilaneTreated Organo-montmorillonite Composites Nor Hamidah Mohd"

Tuyển tập các báo cáo nghiên cứu khoa học trên tạp chí khoa học vật lý quốc tế đề tài: Flexural and Morphological Properties of Epoxy/Glass Fibre/SilaneTreated Organo-montmorillonite Composites Nor Hamidah Mohd | Journal of Physical Science Vol. 21 2 41-50 2010 41 Flexural and Morphological Properties of Epoxy Glass Fibre Silane-Treated Organo-montmorillonite Composites Nor Hamidah Mohd. Zulfli and Chow Wen Shyang School of Materials and Mineral Resources Engineering Universiti Sains Malaysia Engineering Campus 14300 USM Nibong Tebal Pulau Pinang Malaysia Corresponding author chowwenshyang@ Abstract Organo-montmorillonite OMMT was treated with 3-amino- propyltrimethoxysilane. Epoxy E composites reinforced with glass fibber GF and OMMT were prepared with the hand-lay up technique. The flexural properties of the E GF OMMT composites were characterised by the three-point bending flexural test. The flexural modulus and strength of the E GF composites were improved by the addition of silane-treated OMMT. The exfoliation of the OMMT in the E was studied using X-ray diffraction XRD . It was found that the OMMT silicate layers were exfoliated successfully in the E matrix. The flexural fractured surface morphology of the E GF OMMT composites was investigated using scanning electron microscopy SEM . It is interesting to note that parts of the silane-treated OMMT also adhered to the GF which can promote better interfacial interaction and wettability between the E and GF. Keywords silane coupling agent exfoliated epoxy nanocomposites organo- montmorillonite Abstrak Organo-montmorillonit OMMT telah dirawat dengan 3-amino- propiltrimetoksisilana. Komposit epoksi E diperkuatkan gentian kaca GF dan OMMT telah disediakan dengan menggunakan teknik hand-lay up . Sifat-sifat pelenturan bagi komposit E GF OMMT telah dicirikan dengan ujian pelenturan tiga titik. Modulus dan kekuatan pelenturan bagi komposit E GF telah dipertingkat dengan penambahan OMMT-dirawatkan silana. Kebolehan eksfoliasi bagi OMMT dalam E telah dikaji dengan menggunakan pembelauan sinar-X XRD . Adalah didapati bahawa lapisan silikat OMMT telah berjaya dieksfoliasikan dalam E. Morfologi permukaan peretakan akibat .

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