Journal
GLASS PHYSICS AND CHEMISTRY
Volume 48, Issue 1, Pages 72-74Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S1087659622010163
Keywords
microhardness; glass transition temperature; glass
Categories
Funding
- Russian Foundation for Basic Research [20-03-00185 a.]
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The relationship between microhardness and glass transition temperature of glasses depends on the glass structure, with different structures exhibiting different correlations. By measuring the temperature dependences of microhardness of individual glasses, a more accurate understanding of their structural characteristics can be obtained.
The question of the correct representation of the correlation between the microhardness and the glass transition temperature of glasses is discussed. The type of this correlation depends on the structure of the glasses and can be used to analyze the latter. As an example, the dependence of microhardness on the glass transition temperature of glasses of the phosphorus-selenium system is discussed. It is noted that the dependence of the microhardness on the reduced temperature for glasses with a similar structure is equivalent to the dependence of the microhardness on the temperature of individual glasses. Measurement of the temperature dependences of the microhardness of individual glasses will make it possible to obtain more precise results for discussing the features of their structure in comparison with the dependence of the microhardness on the glass transition temperatures of different glasses, which are however similar in composition.
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