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Volume 13
Issue 15
10.3390/polym13152572
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Article

Application of Micromechanical Modelling for the Evaluation of Elastic Moduli of Hybrid Woven Jute–Ramie Reinforced Unsaturated Polyester Composites

by
Agung Efriyo Hadi
1,*,
Mohammad Hazim Mohamad Hamdan
2,*,
Januar Parlaungan Siregar
3,*,
Ramli Junid
3,
Cionita Tezara
4,*,
Agustinus Purna Irawan
5,
Deni Fajar Fitriyana
6 and
Teuku Rihayat
7
1
Mechanical Engineering Department, Faculty of Engineering, Universitas Malahayati, Jl. Pramuka No. 27, Kemiling, Bandar Lampung 35153, Indonesia
2
Faculty of Engineering and Computing, First City University College, No. 1, Persiaran Bukit Utama, Bandar Utama, Petaling Jaya 47600, Malaysia
3
College of Engineering, Universiti Malaysia Pahang, Gambang 26300, Malaysia
4
Department of Mechanical Engineering, Faculty of Engineering and Quantity Surveying, INTI International University, Nilai 71800, Malaysia
5
Faculty of Engineering, Universitas Tarumanagara, Jakarta 11480, Indonesia
6
Department of Mechanical Engineering, Universitas Negeri Semarang, Kampus Sekaran, Gunungpati, Semarang 50229, Indonesia
7
Departement of Chemical Engineering, Politeknik Negeri Lhokseumawe, Aceh 24301, Indonesia
*
Authors to whom correspondence should be addressed.
Polymers 2021, 13(15), 2572; https://doi.org/10.3390/polym13152572
Submission received: 22 July 2021 / Accepted: 29 July 2021 / Published: 1 August 2021
(This article belongs to the Special Issue Mechanical and Adhesive Properties of Polymeric Materials)
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Abstract

Woven laminated composite has gained researchers’ and industry’s interest over time due to its impressive mechanical performance compared to unidirectional composites. Nevertheless, the mechanical properties of the woven laminated composite are hard to predict. There are many micromechanical models based on unidirectional composite but limited to the woven laminated composite. The current research work was conducted to evaluate elastic moduli of hybrid jute–ramie woven reinforced unsaturated polyester composites using micromechanical effectiveness unidirectional models, such as ROM, IROM, Halpin–Tsai, and Hirsch, which are based on stiffness. The hybrid jute–ramie laminated composite was fabricated with different layering sizes, and the stacking sequence was completed via hand lay-up with the compression machine. Tensile modulus values for hybrid composites are between those for single jute and single ramie. Obtained p-values less than 0.05 prove the relationship between layering size and tensile modulus. This study showed that several micromechanical models, such as Halpin–Tsai’s predicted value of homogenized mechanical properties, were in good agreement with the experimental result. In the case of the hybrid composite, the micromechanical model deviates from the experimental result. Several modifications are required to improve the current existing model. A correlation function was calculated based on the differences between the elastic modulus values determined experimentally and those derived from each micromechanical model calculation.
Keywords: natural fibre; jute fibre; ramie fibre; micromechanical; polymer natural fibre; jute fibre; ramie fibre; micromechanical; polymer

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MDPI and ACS Style

Hadi, A.E.; Hamdan, M.H.M.; Siregar, J.P.; Junid, R.; Tezara, C.; Irawan, A.P.; Fitriyana, D.F.; Rihayat, T. Application of Micromechanical Modelling for the Evaluation of Elastic Moduli of Hybrid Woven Jute–Ramie Reinforced Unsaturated Polyester Composites. Polymers 2021, 13, 2572. https://doi.org/10.3390/polym13152572

AMA Style

Hadi AE, Hamdan MHM, Siregar JP, Junid R, Tezara C, Irawan AP, Fitriyana DF, Rihayat T. Application of Micromechanical Modelling for the Evaluation of Elastic Moduli of Hybrid Woven Jute–Ramie Reinforced Unsaturated Polyester Composites. Polymers. 2021; 13(15):2572. https://doi.org/10.3390/polym13152572

Chicago/Turabian Style

Hadi, Agung Efriyo, Mohammad Hazim Mohamad Hamdan, Januar Parlaungan Siregar, Ramli Junid, Cionita Tezara, Agustinus Purna Irawan, Deni Fajar Fitriyana, and Teuku Rihayat. 2021. "Application of Micromechanical Modelling for the Evaluation of Elastic Moduli of Hybrid Woven Jute–Ramie Reinforced Unsaturated Polyester Composites" Polymers 13, no. 15: 2572. https://doi.org/10.3390/polym13152572

APA Style

Hadi, A. E., Hamdan, M. H. M., Siregar, J. P., Junid, R., Tezara, C., Irawan, A. P., Fitriyana, D. F., & Rihayat, T. (2021). Application of Micromechanical Modelling for the Evaluation of Elastic Moduli of Hybrid Woven Jute–Ramie Reinforced Unsaturated Polyester Composites. Polymers, 13(15), 2572. https://doi.org/10.3390/polym13152572

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