Analysis of the properties of a glass/sisal/polyester composite

Abstract Composites are gradually becoming an integral material for structural and manufacturing processes. Sisal fibre has the potential to be one of the leading reinforcement natural fibres, not only in Zimbabwe, but the world over for use in glass composites. This is mainly due to it being inexpe...

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Autores principales:	Rivalani B. Baloyi, Sizo Ncube, Mufaro Moyo, Londiwe Nkiwane, Pethile Dzingai
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0d2d73a13ddd4883aadceb63e83198d0
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spelling	oai:doaj.org-article:0d2d73a13ddd4883aadceb63e83198d02021-12-02T15:23:08ZAnalysis of the properties of a glass/sisal/polyester composite10.1038/s41598-020-79566-72045-2322https://doaj.org/article/0d2d73a13ddd4883aadceb63e83198d02021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-79566-7https://doaj.org/toc/2045-2322Abstract Composites are gradually becoming an integral material for structural and manufacturing processes. Sisal fibre has the potential to be one of the leading reinforcement natural fibres, not only in Zimbabwe, but the world over for use in glass composites. This is mainly due to it being inexpensive, exhibiting a low density, high specific strength, a high stiffness to weight ratio, non-toxicity, its abundance in Zimbabwe and its renewability. With an aim of coming up with a composite for partition board applications in the construction industry, five samples of sisal-glass composite were prepared with varying sisal fibre content and different layering techniques. Sisal fibres were pre-treated with 20% NaOH to enhance their crosslinking with the resin and reduce the chemical impurities such as lignin and waxes. Mechanical (flexural test, hardness, and tensile strength) and physical tests (density and water absorption) were conducted to analyse the properties of the composite. The results showed that treated sisal fibres had a higher breaking tenacity of 33.11 g/tex which is higher than untreated fibres with a breaking tenacity of 25.72 g/tex. The best properties were obtained in the sample with 4 layers of glass and 9 layers of sisal fibres using 200 ml of resin. The composite had a tensile strength of 57.60 MPa, flexural strength of 36 N/mm2, moisture absorption of 10% and a burning rate of 9.82 mm/min. These results were then compared with those of the current partition boards in the market. It was noted that the composite was suitable for use in partition boards. Again, regarding cost, these composites are cheaper to produce at a rate of $11.33/m2 compared to the timber costing at $16/m2.Rivalani B. BaloyiSizo NcubeMufaro MoyoLondiwe NkiwanePethile DzingaiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Rivalani B. Baloyi Sizo Ncube Mufaro Moyo Londiwe Nkiwane Pethile Dzingai Analysis of the properties of a glass/sisal/polyester composite
description	Abstract Composites are gradually becoming an integral material for structural and manufacturing processes. Sisal fibre has the potential to be one of the leading reinforcement natural fibres, not only in Zimbabwe, but the world over for use in glass composites. This is mainly due to it being inexpensive, exhibiting a low density, high specific strength, a high stiffness to weight ratio, non-toxicity, its abundance in Zimbabwe and its renewability. With an aim of coming up with a composite for partition board applications in the construction industry, five samples of sisal-glass composite were prepared with varying sisal fibre content and different layering techniques. Sisal fibres were pre-treated with 20% NaOH to enhance their crosslinking with the resin and reduce the chemical impurities such as lignin and waxes. Mechanical (flexural test, hardness, and tensile strength) and physical tests (density and water absorption) were conducted to analyse the properties of the composite. The results showed that treated sisal fibres had a higher breaking tenacity of 33.11 g/tex which is higher than untreated fibres with a breaking tenacity of 25.72 g/tex. The best properties were obtained in the sample with 4 layers of glass and 9 layers of sisal fibres using 200 ml of resin. The composite had a tensile strength of 57.60 MPa, flexural strength of 36 N/mm2, moisture absorption of 10% and a burning rate of 9.82 mm/min. These results were then compared with those of the current partition boards in the market. It was noted that the composite was suitable for use in partition boards. Again, regarding cost, these composites are cheaper to produce at a rate of $11.33/m2 compared to the timber costing at $16/m2.
format	article
author	Rivalani B. Baloyi Sizo Ncube Mufaro Moyo Londiwe Nkiwane Pethile Dzingai
author_facet	Rivalani B. Baloyi Sizo Ncube Mufaro Moyo Londiwe Nkiwane Pethile Dzingai
author_sort	Rivalani B. Baloyi
title	Analysis of the properties of a glass/sisal/polyester composite
title_short	Analysis of the properties of a glass/sisal/polyester composite
title_full	Analysis of the properties of a glass/sisal/polyester composite
title_fullStr	Analysis of the properties of a glass/sisal/polyester composite
title_full_unstemmed	Analysis of the properties of a glass/sisal/polyester composite
title_sort	analysis of the properties of a glass/sisal/polyester composite
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/0d2d73a13ddd4883aadceb63e83198d0
work_keys_str_mv	AT rivalanibbaloyi analysisofthepropertiesofaglasssisalpolyestercomposite AT sizoncube analysisofthepropertiesofaglasssisalpolyestercomposite AT mufaromoyo analysisofthepropertiesofaglasssisalpolyestercomposite AT londiwenkiwane analysisofthepropertiesofaglasssisalpolyestercomposite AT pethiledzingai analysisofthepropertiesofaglasssisalpolyestercomposite
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Analysis of the properties of a glass/sisal/polyester composite

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