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Journal of Reinforced Plastics and Composites
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Effect on the Mechanical Properties and Water Absorption of Granite Powder Composites on Toughening Epoxy with Unsaturated Polyester and Unsaturated Polyester with Epoxy Resin

H. V. Ramakrishna

Department of Polymer Science Sir M.V.P.G Center, University of Mysore Tubinakere Industrial area, Mandya Karnataka, India

S. K. Rai

Department of Polymer Science Sir M.V.P.G Center, University of Mysore Tubinakere Industrial area, Mandya Karnataka, India; Sheshappa_rai{at}rediffmail.com

In this article a study on the tensile, flexural, compression, and impact strength of granite powder–epoxy composites on toughening epoxy with unsaturated polyester and unsaturated polyester with epoxy resin has been assessed. The water absorption studies revealed that an increase in the strength of the composites showed a positive toughening effect. The morphology study has also been carried out in order to study the interfacial region in the composites.

Key Words: composites • granite powder • epoxy • toughening • tensile strength • flexural strength • impact strength • water absorption • SEM

Journal of Reinforced Plastics and Composites, Vol. 25, No. 1, 17-32 (2006)
DOI: 10.1177/0731684406055450
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