期刊
JOURNAL OF REINFORCED PLASTICS AND COMPOSITES
卷 34, 期 4, 页码 269-280出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0731684415570045
关键词
Natural fibres; physical properties; chemical analysis; mechanical properties; electron microscopy; thermal analysis
资金
- Department of Science and Technology, India through FIST Program [SR/FST/ETI-275/2010]
The morphological, physicochemical, mechanical and thermal properties of Veldt-grape stem fibre and wild date palm leaf stalk fibre are described in this work, which are seldom studied before. The botanical name of Veldt-grape stem fibre and wild date palm leaf stalk fibre are known as Cissus quadrangularis and Phoenix reclinata, respectively. The morphological analysis of vegetable fibres showed the presence of cracks, microvoids and impurities on the surfaces of Veldt-grape stem fibre and wild date palm leaf stalk fibre. Veldt-grape stem fibre possessed the lowest diameter and density of approximately 0.2668mm and 1.2128g/cm(3), respectively, compared to wild date palm leaf stalk fibre. An X-ray diffraction and Fourier transform infrared analysis of Veldt-grape stem fibre and wild date palm leaf stalk fibre exhibited the presence of cellulose I with a crystallinity index of 30.9% and 38.8%, respectively. Wild date palm leaf stalk fibre contained high surface roughness in the range of 0.904 mu m than Veldt-grape stem fibre (0.611 mu m). Tensile tests displayed that wild date palm leaf stalk fibre has highest tensile strength of around 66MPa, and Veldt-grape stem fibre has highest strain to failure of around 6% in comparison with other fibre. The thermogravimetric analysis indicates that thermal stability of Veldt-grape stem fibre and wild date palm leaf stalk fibre is better up to 230? and 250?, respectively, which are well within the polymerisation process temperature.
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