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Fracture behavior of natural fiber reinforced biopolymer matrix composite

Yusof, Yusliza and Ahmad, Zuraida and Iis, Sopyan (2008) Fracture behavior of natural fiber reinforced biopolymer matrix composite. Advanced Materials Research, 47. pp. 1189-1192. ISSN 1022-6680

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The attention in natural fiber reinforced biopolymer composite materials has been rapidly growing both in terms of industrial applications and basic research. This study was addressed to the investigation of the impact properties and fracture behaviour of biodegradable composites made from egg albumen reinforced by natural cotton fibres. The albumen-cotton composites have been fabricated by hands lay-up technique at varied volume fiber fraction from 2, 4, 6, 8, and 10 vol.% cotton. The specimens were cured at room temperature for a fixed time of 14 days to ensure the specimens are fully dried and harden, before being subjected to mechanical test. The cotton fibres have contributed in a significant improvement in fracture toughness of the composites. The obtained impact strength varied from 15.0 to 19.0 kJ/m2, and the fracture toughness varied from 0.7177 to 0.9453 J depending on vol.% cotton, with the optimum mechanical performance was obtained at 6 vol.% cotton. Morphological observation using SEM revealed that most of the fabricated specimens failed due to fiber breakage, pull out, and void growth.

Item Type: Article (Journal)
Additional Information: 3254/2151
Uncontrolled Keywords: Composites; Cotton fiber; Albumen; Fracture behavior; Morphological
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401 Materials of engineering and construction
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User: Prof Ir Dr Zuraida Ahmad
Date Deposited: 13 Sep 2011 17:07
Last Modified: 14 Dec 2011 11:08
URI: http://irep.iium.edu.my/id/eprint/2151

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