Hybrid Composites From Coir Fibers Reinforced With Woven Glass Fabrics: Physical and Mechanical Evaluation
Date
2017Author
Kılıç, Ali
Candan, Zeki
Bodur, Mehmet Safa
HAMOUDA, Tamer
HASSANIN, Ahmed H.
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Sandwich composites based on coir fiber nonwoven mats as core material were manufactured by Vacuum Assisted Resin Transfer Molding technique. Mechanical and physical properties of produced coir/polyester and coir-glass/polyester composites were assessed. Samples were evaluated according to their reinforcement contents, resin contents, areal density, and thickness. Tests on physical properties revealed that coir-glass/polyester sandwich structure has the lowest values of thickness swelling, water absorption and moisture contents compared with coir/polyester composite. Mechanical tests such as tensile strength, open-hole tensile strength, and flexural strength were also performed on all samples. Coir-glass/polyester sandwich structure showed significant increase in tensile strength of 70 MPa compared with 8 MPa of coir/polyester composite. Introducing two skins of fiber glass woven roving to coir/polyester increased its flexural strength from 31.8 to 131.8 MPa for coir-glass/polyester. (C) 2015 Society of Plastics Engineers
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