Phase equilibria and glass formation studies in the (1-x)TeO2-xCdO (0.05≤x≤0.33mol) system

G. Karaduman; A. E. Ersundu; M. Çelikbilek; N. Solak; S. Aydin

doi:10.1016/j.jeurceramsoc.2011.09.027

Phase equilibria and glass formation studies in the (1-x)TeO₂-xCdO (0.05≤x≤0.33mol) system

G. Karaduman, A. E. Ersundu, M. Çelikbilek, N. Solak, S. Aydin^*

^*Corresponding author for this work

Department of Metallurgical and Materials Engineering

Istanbul Technical University

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

Phase equilibria and glass formation studies of the (1-x)TeO₂-xCdO system (0.05≤x≤0.33mol) were realized by using differential thermal analysis (DTA), X-ray diffraction (XRD) and scanning electron microscopy (SEM) techniques. The samples were prepared by applying a conventional melt-quenching technique at 800°C. The glass formation range of the system was determined as 0.05≤x<0.15 and the sample containing 10mol% CdO showed the highest glass stability. Crystallization behavior of the TeO₂-CdO glasses was investigated and formation and/or transformation of different phases were detected for each crystallization reaction. In order to obtain thermal stability of the system, as-cast samples were heat-treated above all crystallization reaction temperatures at 550°C for 24h. A binary eutectic: liquid→TeO₂+CdTe₂O₅ was detected at 638±4°C. Crystallization behavior of the TeO₂-CdO glasses and microstructural characterization of the TeO₂-CdTe₂O₅ system was realized.

Original language	English
Pages (from-to)	603-610
Number of pages	8
Journal	Journal of the European Ceramic Society
Volume	32
Issue number	3
DOIs	https://doi.org/10.1016/j.jeurceramsoc.2011.09.027
Publication status	Published - Mar 2012

Funding

The authors gratefully acknowledge The Scientific and Technological Research Council of Turkey (TUBITAK) for the financial support under the project numbered 108M077 .

Funders	Funder number
TUBITAK	108M077
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu

Keywords

Glass
Microstructure-final
TeO-CdTeO
Thermal properties

Access to Document

10.1016/j.jeurceramsoc.2011.09.027

Cite this

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title = "Phase equilibria and glass formation studies in the (1-x)TeO2-xCdO (0.05≤x≤0.33mol) system",

abstract = "Phase equilibria and glass formation studies of the (1-x)TeO2-xCdO system (0.05≤x≤0.33mol) were realized by using differential thermal analysis (DTA), X-ray diffraction (XRD) and scanning electron microscopy (SEM) techniques. The samples were prepared by applying a conventional melt-quenching technique at 800°C. The glass formation range of the system was determined as 0.05≤x<0.15 and the sample containing 10mol% CdO showed the highest glass stability. Crystallization behavior of the TeO2-CdO glasses was investigated and formation and/or transformation of different phases were detected for each crystallization reaction. In order to obtain thermal stability of the system, as-cast samples were heat-treated above all crystallization reaction temperatures at 550°C for 24h. A binary eutectic: liquid→TeO2+CdTe2O5 was detected at 638±4°C. Crystallization behavior of the TeO2-CdO glasses and microstructural characterization of the TeO2-CdTe2O5 system was realized.",

keywords = "Glass, Microstructure-final, TeO-CdTeO, Thermal properties",

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AU - Karaduman, G.

AU - Ersundu, A. E.

AU - Çelikbilek, M.

AU - Solak, N.

AU - Aydin, S.

PY - 2012/3

Y1 - 2012/3

N2 - Phase equilibria and glass formation studies of the (1-x)TeO2-xCdO system (0.05≤x≤0.33mol) were realized by using differential thermal analysis (DTA), X-ray diffraction (XRD) and scanning electron microscopy (SEM) techniques. The samples were prepared by applying a conventional melt-quenching technique at 800°C. The glass formation range of the system was determined as 0.05≤x<0.15 and the sample containing 10mol% CdO showed the highest glass stability. Crystallization behavior of the TeO2-CdO glasses was investigated and formation and/or transformation of different phases were detected for each crystallization reaction. In order to obtain thermal stability of the system, as-cast samples were heat-treated above all crystallization reaction temperatures at 550°C for 24h. A binary eutectic: liquid→TeO2+CdTe2O5 was detected at 638±4°C. Crystallization behavior of the TeO2-CdO glasses and microstructural characterization of the TeO2-CdTe2O5 system was realized.

AB - Phase equilibria and glass formation studies of the (1-x)TeO2-xCdO system (0.05≤x≤0.33mol) were realized by using differential thermal analysis (DTA), X-ray diffraction (XRD) and scanning electron microscopy (SEM) techniques. The samples were prepared by applying a conventional melt-quenching technique at 800°C. The glass formation range of the system was determined as 0.05≤x<0.15 and the sample containing 10mol% CdO showed the highest glass stability. Crystallization behavior of the TeO2-CdO glasses was investigated and formation and/or transformation of different phases were detected for each crystallization reaction. In order to obtain thermal stability of the system, as-cast samples were heat-treated above all crystallization reaction temperatures at 550°C for 24h. A binary eutectic: liquid→TeO2+CdTe2O5 was detected at 638±4°C. Crystallization behavior of the TeO2-CdO glasses and microstructural characterization of the TeO2-CdTe2O5 system was realized.

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