Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 104: Issue 3
Thermal properties of Ga2O3–PbO–P2O5 glass system
Authors:
J. Schwarz Department of General and Inorganic Chemistry, Faculty of Chemical Technology, University of Pardubice, 532 10, Pardubice, Czech Republic

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K. Vosejpková Department of General and Inorganic Chemistry, Faculty of Chemical Technology, University of Pardubice, 532 10, Pardubice, Czech Republic

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Pages:
1051–1054
Online Publication Date:
12 Feb 2011
Publication Date:
01 Jun 2011
Article Category:
Brief Report
DOI:
https://doi.org/10.1007/s10973-011-1286-2
Keywords:
Gallium glasses; TMA; DTA; Hruby parameter
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Abstract

Thermal behavior of xGa2O3–(50 − x)PbO–50P2O5 (x = 0, 10, 20, and 30 mol.% Ga2O3) and xGa2O3–(70 − x)PbO–30P2O5 (x = 0, 10, 20, 30, and 40 mol.% Ga2O3) glassy materials were studied by thermo-mechanical analysis (TMA) and differential thermal analysis (DTA). Replacement of PbO for Ga2O3 is accompanied by increasing glass-transition temperature (263 ≤ Tg/°C ≤ 535), deformation temperature (363 ≤ Td/°C ≤ 672), crystallization temperature (396 ≤ Tc/°C ≤ 640) and decreasing of coefficient of thermal expansion (5.1 ≤ CTE/ppm K−1 ≤ 16.7). Values of Hruby parameter were determined (0.1 ≤ KH ≤ 1.3). The thermal stability of prepared glasses increases with increasing of concentration of Ga2O3.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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