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International Letters of Chemistry, Physics and Astronomy
Volume 51
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Development and Assessment of Polyester Reinforced with Sansevieria Cylindrica/Zawa Flour Composites

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Abstract:

This paper zero in on preparation of hybrid composites in which Polyester matrix filled with Sanseveria cylindrica fiber(SCF) and Zawa flour. SCF fiber was taken 10% volume constantly in all the samples. Camera ready samples were prepared using hand layup technique in which filler constituent proportions were taken by using rule of hybrid mixture (RoHM). The mail aim of the composites is to increase the tensile flexural, and impact strengths, TGA, DSC results by incorporating the filler. It was observed that, tensile strength was linearly increased up to 4wt.% zawa after that sudden falling was observed. On other hand, tensile modulus was increased linearly up to 5wt.% was the clear indication of addition of zawa imparts more stiffness to the composites. Flexural strength was increased up 3wt.% zawa flour after than it starts depreciating suddenly. Flexural modulus was increased linearly up to 3wt.% zawa four composites after that decreases. Impact strength was optimised at 4wt.% zawa flour after that it starts going down. In DSC analysis, for 3wt.% zawa flour composite registered good performance than the 2wt.%,whereas in TGA analysis 3wt.% composite was having good performance than 2wt.% zawa flour composites. Reasons attributed for increased glass transition temperature was due to the less moisture content or due to the deprived of void due to the good bonding strength

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 51)
Pages:
144-154
DOI:
10.18052/www.scipress.com/ILCPA.51.144
Citation:
R. G. Manne et al., "Development and Assessment of Polyester Reinforced with Sansevieria Cylindrica/Zawa Flour Composites", International Letters of Chemistry, Physics and Astronomy, Vol. 51, pp. 144-154, 2015
Online since:
May 2015
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