Dimensional stability, mechanical and thermal performance of flax/carbon/kevlar reinforced bio-phenolic/epoxy hybrid composites

This study explores the effects of hybridizing flax fabric (F) with carbon/Kevlar fabric (CK) on key material properties, including density, water absorption, void content, tensile properties, impact resistance, and thermogravimetric stability. The composites were fabricated using compression moldin...

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Main Authors: Ahmad Safwan Ismail, Mohammad Jawaid, E.S. Zainudin, Ridwan Yahaya, Othman Y Alothman, Basim Abu-Jdayil, M. Sain
Format: Article
Language:en
Published: Taylor and Francis 2025
Subjects:
Online Access:https://eprints.ums.edu.my/id/eprint/45954/1/FULLTEXT.pdf
https://eprints.ums.edu.my/id/eprint/45954/
https://doi.org/10.1080/15440478.2025.2461491
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author Ahmad Safwan Ismail
Mohammad Jawaid
E.S. Zainudin
Ridwan Yahaya
Othman Y Alothman
Basim Abu-Jdayil
M. Sain
author_facet Ahmad Safwan Ismail
Mohammad Jawaid
E.S. Zainudin
Ridwan Yahaya
Othman Y Alothman
Basim Abu-Jdayil
M. Sain
author_sort Ahmad Safwan Ismail
building UMS Library
collection Institutional Repository
content_provider Universiti Malaysia Sabah
content_source UMS Institutional Repository
continent Asia
country Malaysia
description This study explores the effects of hybridizing flax fabric (F) with carbon/Kevlar fabric (CK) on key material properties, including density, water absorption, void content, tensile properties, impact resistance, and thermogravimetric stability. The composites were fabricated using compression molding, employing different weight ratios of flax to carbon/Kevlar (F/CK): 100/0, 75/25, 50/50, 25/75, and 0/100, while keeping the fiber loading constant at 50 wt%. Bio-phenolic/epoxy polymer blends were used as the polymer matrix. The results indicate that as the amount of carbon/Kevlar fabric increases, the density of the hybrid composites also increases while the moisture absorption decreases. The analysis of void content in the composites suggests that the fabricated composites are well-prepared, with void content measuring less than 2%. Combining flax fiber with carbon/Kevlar fiber produces a composite with improved mechanical characteristics. Notably, the hybrid composite with a ratio of 25:75 (F: CK) demonstrated superior tensile modulus and impact strength, showing improvements of 25.96% and 16.05%, respectively, compared to the carbon/Kevlar composite. Moreover, the residue at 800°C of the composites increased with an increase in the carbon/Kevlar fabric and the highest was shown by hybrid composites with the ratio of 25:75 (F:CK), where the residue is 39.96%.
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spelling my.ums.eprints-459542026-04-20T13:35:16Z https://eprints.ums.edu.my/id/eprint/45954/ Dimensional stability, mechanical and thermal performance of flax/carbon/kevlar reinforced bio-phenolic/epoxy hybrid composites Ahmad Safwan Ismail Mohammad Jawaid E.S. Zainudin Ridwan Yahaya Othman Y Alothman Basim Abu-Jdayil M. Sain QD241-441 Organic chemistry TA401-492 Materials of engineering and construction. Mechanics of materials This study explores the effects of hybridizing flax fabric (F) with carbon/Kevlar fabric (CK) on key material properties, including density, water absorption, void content, tensile properties, impact resistance, and thermogravimetric stability. The composites were fabricated using compression molding, employing different weight ratios of flax to carbon/Kevlar (F/CK): 100/0, 75/25, 50/50, 25/75, and 0/100, while keeping the fiber loading constant at 50 wt%. Bio-phenolic/epoxy polymer blends were used as the polymer matrix. The results indicate that as the amount of carbon/Kevlar fabric increases, the density of the hybrid composites also increases while the moisture absorption decreases. The analysis of void content in the composites suggests that the fabricated composites are well-prepared, with void content measuring less than 2%. Combining flax fiber with carbon/Kevlar fiber produces a composite with improved mechanical characteristics. Notably, the hybrid composite with a ratio of 25:75 (F: CK) demonstrated superior tensile modulus and impact strength, showing improvements of 25.96% and 16.05%, respectively, compared to the carbon/Kevlar composite. Moreover, the residue at 800°C of the composites increased with an increase in the carbon/Kevlar fabric and the highest was shown by hybrid composites with the ratio of 25:75 (F:CK), where the residue is 39.96%. Taylor and Francis 2025-09-09 Article NonPeerReviewed text en https://eprints.ums.edu.my/id/eprint/45954/1/FULLTEXT.pdf Ahmad Safwan Ismail and Mohammad Jawaid and E.S. Zainudin and Ridwan Yahaya and Othman Y Alothman and Basim Abu-Jdayil and M. Sain (2025) Dimensional stability, mechanical and thermal performance of flax/carbon/kevlar reinforced bio-phenolic/epoxy hybrid composites. Journal Of Natural Fibers, 22 (1). pp. 1-17. ISSN 1544-046X https://doi.org/10.1080/15440478.2025.2461491
spellingShingle QD241-441 Organic chemistry
TA401-492 Materials of engineering and construction. Mechanics of materials
Ahmad Safwan Ismail
Mohammad Jawaid
E.S. Zainudin
Ridwan Yahaya
Othman Y Alothman
Basim Abu-Jdayil
M. Sain
Dimensional stability, mechanical and thermal performance of flax/carbon/kevlar reinforced bio-phenolic/epoxy hybrid composites
title Dimensional stability, mechanical and thermal performance of flax/carbon/kevlar reinforced bio-phenolic/epoxy hybrid composites
title_full Dimensional stability, mechanical and thermal performance of flax/carbon/kevlar reinforced bio-phenolic/epoxy hybrid composites
title_fullStr Dimensional stability, mechanical and thermal performance of flax/carbon/kevlar reinforced bio-phenolic/epoxy hybrid composites
title_full_unstemmed Dimensional stability, mechanical and thermal performance of flax/carbon/kevlar reinforced bio-phenolic/epoxy hybrid composites
title_short Dimensional stability, mechanical and thermal performance of flax/carbon/kevlar reinforced bio-phenolic/epoxy hybrid composites
title_sort dimensional stability, mechanical and thermal performance of flax/carbon/kevlar reinforced bio-phenolic/epoxy hybrid composites
topic QD241-441 Organic chemistry
TA401-492 Materials of engineering and construction. Mechanics of materials
url https://eprints.ums.edu.my/id/eprint/45954/1/FULLTEXT.pdf
https://eprints.ums.edu.my/id/eprint/45954/
https://doi.org/10.1080/15440478.2025.2461491
url_provider http://eprints.ums.edu.my/