Characterization of the Crystalline Structure of Wheat Bran Burned by Nd: YAG Laser
Journal Title: Saudi Journal of Engineering and Technology - Year 2018, Vol 3, Issue 2
Abstract
Abstract:This paper reports obtaining of useful and highly value materials from wheat bran. For this purpose, wheat bran sample was burned for 30 s using Nd: YAG laser with output power 60 W. The product of synthesis processand non-burned wheat bran were characterized by x-ray diffractometer (XRD), energy dispersive x-ray (EDX) and fourier transform infrared (FTIR) so as to investigate its crystal structure and chemical components. XRD results of the sample before burning process revealed amorphous silica, cubic phase ofsilicon carbide and rhombohedral phase of carbon. The obtained results showed that burning process using Nd: YAG laser can convert the cubic structure of silicon carbide into hexagonal and rhombohedral structure and convert rhombohedral structure of carbon into hexagonal structure; also it revealed a monoclinic structure of silica after burning. FTIR showed a number of absorbance peaks assigned to silica and silicon carbide. Keywords:Crystal Structure, EDX, FTIR, Laser Matter Interaction, Moissanite, Wheat Husk, Wheat Straw,Silica, XRD.
Authors and Affiliations
Muna A. PnGawbah
Keywords
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