Paper Title:
Quantitative Determination of the Crystalline Phases of the Ceramic Materials Utilizing the Rietveld Method
  Abstract

Ceramic materials have properties defined by their chemical and micro-structural composition. The quantification of the crystalline phases is a fundamental stage in the determination of the structure, properties and applications of a ceramic material. Within this context, this study aims is the quantitative determination of the crystalline phases of the ceramic materials developed with addition of mineral coal bottom ash, utilizing the X ray diffraction technique, through the method proposed by Rietveld. For the formulation of the ceramic mixtures a {3,3} simplex-lattice design was used, giving ten formulations of three components (two different types of clays and coal bottom ash). The crystalline phases identified in the ceramic materials after sintering at 1150oC during two hours are: quartz, tridimite, mullite and hematite. The proposed methodology utilizing the Rietveld method for the quantification relating to crystalline phases of the materials was shown to be adequate and efficient.

  Info
Periodical
Materials Science Forum (Volumes 660-661)
Edited by
Lucio Salgado and Francisco Ambrozio Filho
Pages
164-169
DOI
10.4028/www.scientific.net/MSF.660-661.164
Citation
C.T. Kniess, P.B. Prates, J.C. de Lima, N.C. Kuhnen, H. G. Riella, A.M. Maliska, "Quantitative Determination of the Crystalline Phases of the Ceramic Materials Utilizing the Rietveld Method", Materials Science Forum, Vols. 660-661, pp. 164-169, 2010
Online since
October 2010
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$32.00
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