A review on the degradability of polymeric composites based on natural fibres

Azwa, Z. N. and Yousif, B. F. and Manalo, A. C. and Karunasena, W. (2013) A review on the degradability of polymeric composites based on natural fibres. Materials and Design, 47. pp. 424-442. ISSN 0264-1275

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Abstract

The applications of natural fibre/polymer composites in civil engineering are mostly concentrated on non-load bearing indoor components due to its vulnerability to environmental attack. This paper evaluates the characteristics of several natural fibre composites exposed to moisture, thermal, fire, and ultraviolet degradation through an extensive literature review. The effects of chemical additives such as fibre treatments, fire retardants and Ultraviolet (UV) stabilizers are also addressed. Based on the evaluation conducted, optimum fibre content provides strength in a polymer composite but it also becomes an entry point for moisture attack. Several fibre treatments are also being used to improve fibre/matrix interface, thereby increasing moisture durability. However, the treated fibres were found to behave poorly when exposed to weather. The addition of UV stabilizers and fire retardants are suggested to enhance outdoor and fire performance of natural fibre/polymer composite but compromises its strength. Therefore, from the collected data and various experimental results, it was concluded that an optimum blend ratio of chemical additives must be employed to achieve a balance between strength and durability requirements for natural fibre composites.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Published version deposited in accordance with the copyright policy of the publisher.
Faculty / Department / School: Historic - Faculty of Engineering and Surveying - Department of Mechanical and Mechatronic Engineering
Date Deposited: 08 Jul 2013 23:36
Last Modified: 21 Oct 2014 04:37
Uncontrolled Keywords: characteristics degradation; civil applications; natural fibres; polymer composites; weathering
Fields of Research : 09 Engineering > 0905 Civil Engineering > 090503 Construction Materials
09 Engineering > 0901 Aerospace Engineering > 090102 Aerospace Materials
09 Engineering > 0902 Automotive Engineering > 090202 Automotive Engineering Materials
Socio-Economic Objective: E Expanding Knowledge > 97 Expanding Knowledge > 970109 Expanding Knowledge in Engineering
Identification Number or DOI: 10.1016/j.matdes.2012.11.025
URI: http://eprints.usq.edu.au/id/eprint/22347

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