XRD microstructural analysis of mullites obtained from kaolinite–alumina mixtures

6533b7dcfe1ef96bd12727b8

RESEARCH PRODUCT

XRD microstructural analysis of mullites obtained from kaolinite–alumina mixtures

Joaquín Bastida José María Amigó Angel Caballero F. J. Serrano M.a. Sainz

subject

Equiaxed crystals Grain growth Materials science Scanning electron microscope Materials Chemistry Ceramics and Composites Kaolinite Sintering Mineralogy Mullite Crystallite Composite material Microanalysis

description

Abstract A microstructural study of mullite obtained by the reaction sintering of kaolinite–α–alumina mixtures in the range 1150–1700°C has been performed by using X-ray line profile analyses together with scanning and transmission electron microscopy equipped with microanalysis by energy dispersion (SEM-EDS, TEM-AEM). Two kinds of morphology corresponding to primary (elongated grains) and secondary (equiaxed grains) mullite have been observed. A bimodal crystallite size distribution has been detected through XRD microstructural analysis from 1300°C. The results obtained by this method are compared with SEM/TEM data.

year	journal	country	edition	language
2000-04-01	Journal of the European Ceramic Society

https://doi.org/10.1016/s0955-2219(99)00183-1

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