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Effect of Gradual Substitution of CaO by SrO in Glass-Ceramic Materials of the System SiO2 - Al2O3 - CaF2 - RO (R = Ca, Mg, Sr)

Published online by Cambridge University Press:  14 February 2012

M. Garza-García ,
J. López-Cuevas ,
C.A. Gutiérrez-Chavarría ,
N. Piedad-Sánchez ,
E. Camporredondo-Saucedo  and
O. Hernández-Ibarra
M. Garza-García
Affiliation:
Universidad Autónoma de Coahuila, Escuela Superior de Ingeniería, Nueva Rosita, Coahuila, México.
J. López-Cuevas
Affiliation:
Centro de Investigación y Estudios Avanzados del IPN, Unidad Saltillo, Coahuila, México.
C.A. Gutiérrez-Chavarría
Affiliation:
Centro de Investigación y Estudios Avanzados del IPN, Unidad Saltillo, Coahuila, México.
N. Piedad-Sánchez
Affiliation:
Facultad de Metalurgia. Universidad Autónoma de Coahuila, Monclova, Coahuila, México.
E. Camporredondo-Saucedo
Affiliation:
Facultad de Metalurgia. Universidad Autónoma de Coahuila, Monclova, Coahuila, México.
O. Hernández-Ibarra
Affiliation:
Instituto Tecnológico de Estudios Superiores de la Región Carbonífera, Coahuila, México.
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Abstract

The density, Vickers microhardness and crystallization fraction of glass-ceramic materials synthesized from parent glasses are determined in which CaO is gradually substituted by SrO. The chemical composition (in mol.%) of the parent glasses is 54SiO2-(23-X)CaO-12MgO-5Al2O3-6CaF2-XSrO, where X is the employed CaO substitution level (X = 0, 3, 6 and 9 mol.%, with X = 0 corresponding to the reference material). In order to determine the type of crystallization occurring in the glass-ceramic samples, as well as the crystalline phases formed in them, these are characterized by both Scanning Electron Microscopy (SEM/EDS) and X-Ray Diffraction (XRD). Independently of the CaO substitution level employed, the glass-ceramics show the formation of a solid solution corresponding to diopside-type pyroxene, with chemical formula Ca(Mg,Al)(Al,Si)2O6, as a single crystalline phase. The synthesized glass-ceramic materials with the reference composition show the highest Vickers microhardness and crystallization fraction, as well as the lowest density.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1373: Symposium S4 – Advanced Structural Materials—2011 , 2012 , imrc-1373-s4-09
Copyright
Copyright © Materials Research Society 2012

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References

REFERENCES

1. Doyle, J., Glass Making Today, 242–243 (1979).Google Scholar
2. Höland, W. and Beall, G., Glass-Ceramic Technology, (The American Ceramic Society Westerville, Ohio, 2002).Google Scholar
3. www.qsrestroncio.com Google Scholar
4. Leonelli, C., Manfredini, T., Paganelli, M., Pozzi, P. and Pellacani, G.C., J. Mat. Sci. 26, 5041–5046 (1991).Google Scholar
5. Torres, F.J. and Alarcón, J., J. Eur. Ceram. Soc. 25, 349–355 (2005).Google Scholar
6. Abdel-Hameed, S.A.M. and El-kheshen, A.A., Ceram. Int. 29, 265–269 (2003).Google Scholar
7. Salama, S.N., Darwish, H. and Abo-Mosallam, H.A., J. Eur. Ceram. Soc. 25, 1133–1142 (2005).Google Scholar
8. Tulyaganov, D.U., Agathopoulos, S., Fernandez, H.R., Ventura, J.M. and Ferreira, J.M.F., J. Eur. Ceram. Soc. 24, 3521–3528 (2004).Google Scholar
9. Ohlberg, S.M. and Strickler, D.W., J. Am. Ceram. Soc. 45, 170 (1962).Google Scholar