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Thermal and mechanical properties of bamboo fiber reinforced composites

Chin, Siew Choo and Tee, Kong Fah and Tong, Foo Sheng and Ong, Huei Ruey and Jolius, Gimbun (2019) Thermal and mechanical properties of bamboo fiber reinforced composites. Materials Today Communications, 23 (100876). pp. 1-14. ISSN 2352-4928

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Abstract

This paper presents the thermal and mechanical properties of bamboo fiber reinforced composite (BFRC) derived from Gigantochloa scortechinii. The bamboo fibers were prepared through chemical treatment by sodium hydroxide (NaOH) followed by physical milling method. The thermal characteristics of the bamboo fiber and its polymer composite were analysed using a thermogravimetric analysis and differential scanning calorimetric. The functional groups and crystallinity of the fiber were analysed with Fourier transform infrared and x-ray diffraction spectroscopy. Meanwhile, the fiber morphology was examined using a scanning electron microscope. The BFRCs with fiber volume fractions ranging from 0 % to 40 % embedded in three thermoset resins (epoxy, polyester, vinyl ester) were subjected to tensile and flexural tests and the fracture pattern was examined. The NaOH concentration of 10 % with soaking duration of 48 h was found to produce a bamboo fiber with the highest ultimate tensile and modulus strength. The tensile and flexural properties of all the BFRCs were found to be directly proportional to the fiber volume fractions. It was found that the bamboo fiber reinforced epoxy composite (BFREC) with 40 % fiber volume fraction exhibited the highest tensile and flexural strength compared to polyester and vinyl ester composites. The method of bamboo fiber composite preparation in this work may serve as a useful guide to produce a strong BFRC for external strengthening of buildings and structures.

Item Type: Article
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Bamboo fiber; Composite; External strengthening; Thermal properties; Mechanical properties
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Faculty of Civil Engineering & Earth Resources
Depositing User: Ms. Nurina Ezzaty Noor Izee
Date Deposited: 13 Feb 2020 02:47
Last Modified: 13 Feb 2020 02:47
URI: http://umpir.ump.edu.my/id/eprint/27661
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