STUDIES ON THE FORMATION OF MULLITE FROM DIPHASIC AL2O3-SIO2 GEL BY FOURIER TRANSFORM INFRARED SPECTROSCOPY

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JAGANNATH ROY; NARAYAN BANDYOPADHYAY; SANTANU DAS; SAIKAT MAITRA

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Journal Paper

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Journal: Iranian Journal of Chemistry and Chemical Engineering Year:2011 | Volume:30 | Issue:1 (57) Page(s): 65-71

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Title

STUDIES ON THE FORMATION OF MULLITE FROM DIPHASIC AL2O3-SIO2 GEL BY FOURIER TRANSFORM INFRARED SPECTROSCOPY

Author(s)

JAGANNATH ROY | NARAYAN BANDYOPADHYAY | SANTANU DAS | SAIKAT MAITRA | Issue Writer Certificate

Keywords

AL2O3-SIO2

DIPHASIC GEL

FTIR

MULLITE

Abstract

Al2O3-SiO2 DIPHASIC GEL was synthesized by sol gel route from aluminium nitrate and silicic acid following aqueous phase colloidal interaction. The precursor gel powder was thoroughly characterized by chemical analysis, measurement of surface area and bulk density measurement. The gel powder was further characterized by thermogravimetry, XRD diffraction study of the heat treated samples and Scanning Electron Microscopic (SEM) study of the fractured surfaces of the heat treated compacts. The gel was observed to be a truly di-phasic in nature and was capable of forming nano-structured well distributed MULLITE phase in the microstructure of the heat treated sample. The gel powder was heated at different temperatures and the formation of Al-O-Si linkage towards the formation of MULLITE phase (3Al2O3, 2SiO2) was studied by Fourier Transform Infra Red (FT-IR) spectroscopy. The characteristic Al-O-Si linkage was found to develop after 600oC indicating the formation of MULLITE gel and at 16000oC the linkage became very strong indicating complete crystallization of MULLITE.

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APA: Copy

JAGANNATH, ROY, NARAYAN, BANDYOPADHYAY, SANTANU, DAS, & SAIKAT, MAITRA. (2011). STUDIES ON THE FORMATION OF MULLITE FROM DIPHASIC AL₂O₃-SIO₂ GEL BY FOURIER TRANSFORM INFRARED SPECTROSCOPY. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 30(1 (57)), 65-71. SID. https://sid.ir/paper/565749/en

Vancouver: Copy

JAGANNATH ROY, NARAYAN BANDYOPADHYAY, SANTANU DAS, SAIKAT MAITRA. STUDIES ON THE FORMATION OF MULLITE FROM DIPHASIC AL₂O₃-SIO₂ GEL BY FOURIER TRANSFORM INFRARED SPECTROSCOPY. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2011;30(1 (57)):65-71. Available from: https://sid.ir/paper/565749/en

IEEE: Copy

ROY JAGANNATH, BANDYOPADHYAY NARAYAN, DAS SANTANU, and MAITRA SAIKAT, “STUDIES ON THE FORMATION OF MULLITE FROM DIPHASIC AL₂O₃-SIO₂ GEL BY FOURIER TRANSFORM INFRARED SPECTROSCOPY,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 30, no. 1 (57), pp. 65–71, 2011, [Online]. Available: https://sid.ir/paper/565749/en

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