Mechanical properties of Sisal fiber on Polyester composite

Published: 07-10-2020| Version 3 | DOI: 10.17632/zk9gyw8t8n.3
Adane Adugna Ayalew


Growing environmental concerns have led to the use of renewable natural materials for the design and development of new components/products and now the use of natural fibres has made new paradigm in manufacturing the composite materials. The main advantages of using natural fibre in composite materials are (i) simple processing, (ii) lower specific weight, (iii) good acoustic properties and mechanical strength. Natural fibres are rich in cellulose and iodegradable and are not yet fully exploited for their use. Natural fibres have great utility for engineering applications and are also available in most of the countries.


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Tensile test of fiber Tensile tests were carried out according to ASTM-C1557 (2014) using a universal testing machine (Model TH 2730 5kN (80 W, 500 mm), Germany) with a 5kN load cell at a constant speed rate of 2 mm/min to evaluate the tensile properties of the fiber. A 50 mm gauge length extensometer was attached to the samples during tensile test to record the tensile strength data; five samples of each category were evaluated Tensile strength Natural Kaolinite clay was washed with distilled water and then dried at1050C for 2hrs.for the removal of unwanted particles. After effective drying, it was crushed by using jaw crusher and then sieved through diffrent mm sieve sizes. The powder of clay was calcined at 8000C using Muffle Furnace (Nabertherm B180) each particle size for 2 hours and cooled from oven for 1hr. further, the calcinations sample was activated by 2M of H2SO4 for 12hr in order to remove the impurities and make them activate. Then the sample was washed with distilled water in order to remove acid and made it neutralize. Samples were dried at 1050C for 12 hours in the oven. Finally, samples were kept in dissipater for further analysis. The absorbance value of a solution was measured after adsorption experiment for each run. The percentage removal absorption of fluorine was calculated and the equilibrium sate concentration of adsorbate in the solid phase (qe, mg/g) were determined. The fluoride absorbance was measured by UV/VIS spectrometer (Lamda 35 Ferkin Elmer) at a maximum wave length (540 nm. Instrumental analysis was conducted to characterize the kaolinite clay adsorbent. Such as Fourier transform infrared spectroscopy (FTIR), X- Ray diffraction (XRD), and surface area by Brunauer-Emmett Teller (BET) analysis were used.