Simple Search:

Investigation on the flexural properties and glass transition temperature of kenaf/epoxy composite filled with mesoporous silica for wind turbine applications


Citation

Tay, Chai Hua and Mazlan, Norkhairunnisa (2017) Investigation on the flexural properties and glass transition temperature of kenaf/epoxy composite filled with mesoporous silica for wind turbine applications. Pertanika Journal of Science & Technology, 25 (4). pp. 1261-1274. ISSN 0128-7680; ESSN: 2231-8526

Abstract / Synopsis

This research investigates the strength of kenaf or epoxy composite filled with mesoporous silica and studies the hybrid effects between mesoporous silica orkenaf in epoxy matrix. The volume of kenaf woven mat is maintained constantly at 7.2vol%, whereas proportion of epoxy is varied with inclusion of mesoporous silica and silicon, keeping constant the volume of the composite at 67.5cm3. The proportion of mesoporous silica is altered from 0.5vol%, 1.0vol%, 3.0vol% and 5.0vol%, while silicon is kept constant at 3.0vol%. A total of 11 specimens were produced, each with its distinctive composition and mechanical strengths. Variation of fillers composition affects the mechanical strengths of the composite. SEM analysis shows that epoxy bonds well with silicon, kenaf and mesoporous silica. Some de-bonding among the components is observed within the composite although there is also some tearing of fibres and impregnation of epoxy within fibre, proving that the components have good interaction and do not act individually. Flexural test shows that mesoporous silica improves the flexural strength of the composite, where the highest value is 35.14MPa, obtained at 5.0vol% Mesoporous Silica in Kenaf/Epoxy (SiaK/Ep). It also improves the flexural modulus, where the highest value is 1569.48MPa, obtained at 3.0vol% SiaK/Ep. DMA result reveals that adding mesoporous silica increases the Tg of the composite produced. Highest Tg is obtained at 0.5vol% Mesoporous Silica in Kenaf/Epoxy modofied Silicon (SiaK/Ep-Si) with the value of 87.54°C.


Download File

[img]
Preview
PDF
18 JST(S)-0289-2017-2ndProof.pdf

Download (699kB) | Preview

Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
Institute of Tropical Forestry and Forest Products
Publisher: Universiti Putra Malaysia Press
Keywords: Epoxy; Hybrid composite; Kenaf; Natural fibre reinforced polymer
Depositing User: Nabilah Mustapa
Date Deposited: 10 Jan 2018 16:34
Last Modified: 25 Jan 2018 17:10
URI: http://psasir.upm.edu.my/id/eprint/58328
Statistic Details: View Download Statistic

Actions (login required)

View Item View Item