Microwave sintering of mullite-Al2O3 from kaolin precursor

Lilian Cecilia Reinoso Navarro; Romualdo Rodrigues Menezes; Ruth Herta Goldschmidt Aliaga Kiminami

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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Microwave sintering of mullite-Al2O3 from kaolin precursor

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Author(s):	Lilian Cecilia Reinoso Navarro ^[1] ; Romualdo Rodrigues Menezes ^[2] ; Ruth Herta Goldschmidt Aliaga Kiminami ^[3] Total Authors: 3
Affiliation:	^[1] Federal University of São Carlos. Department of Materials Engineering - Brasil ^[2] Federal University of Campina Grande. Department of Materials Engineering - Brasil ^[3] Federal University of São Carlos. Department of Materials Engineering - Brasil Total Affiliations: 3
Document type:	Journal article
Source:	MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS; v. 17, n. 6, p. 1575-1580, 2014-12-00.
Abstract
In the present work the effect of the microwave hybrid fast sintering of mullite-Al2O3 with non-stoichiometric mullite composition was investigated. Samples were fast sintered using a range of microwave power from 1.2 to 2.1 kW. The mullitization process of the silica-rich composition was faster than that of the alumina-rich composition. Alumina-rich mullite showed higher densities and smaller grain size than alumina-poor mullite. It was concluded that the microwave hybrid sintering of mullite was very sensitive to composition. (AU)

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