Pressure dependence of the elastic moduli of glasses in the K2OSiO2 system

E. Gamberg; D. R. Uhlmann; D. H. Chung

doi:10.1016/0022-3093(74)90003-9

Pressure dependence of the elastic moduli of glasses in the K₂OSiO₂ system

E. Gamberg, D. R. Uhlmann, D. H. Chung

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7 Scopus citations

Abstract

The elastic moduli and their variation with pressure have been determined for three glass compositions in the K₂OSiO₂ glass system. The results may be summarized: {A table is presented}. Additionally, the heat capacities of the three compositions were determined over the temperature range of 320 to 700 K, and were used together with the other data to evaluate the thermal Grüneisen ratios. This parameter was found to increase with increasing K₂O concentration, with values of 0.48, 0.63 and 0.69 for the three compositions indicated above. For comparison, the acoustic Grüneisen ratios evaluated from the variation of the moduli with pressure were found to be negative and also to increase with increasing K₂O concentration.

Original language	English (US)
Pages (from-to)	399-408
Number of pages	10
Journal	Journal of Non-Crystalline Solids
Volume	13
Issue number	3
DOIs	https://doi.org/10.1016/0022-3093(74)90003-9
State	Published - Mar 1974
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Materials Chemistry

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10.1016/0022-3093(74)90003-9

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title = "Pressure dependence of the elastic moduli of glasses in the K2OSiO2 system",

abstract = "The elastic moduli and their variation with pressure have been determined for three glass compositions in the K2OSiO2 glass system. The results may be summarized: {A table is presented}. Additionally, the heat capacities of the three compositions were determined over the temperature range of 320 to 700 K, and were used together with the other data to evaluate the thermal Gr{\"u}neisen ratios. This parameter was found to increase with increasing K2O concentration, with values of 0.48, 0.63 and 0.69 for the three compositions indicated above. For comparison, the acoustic Gr{\"u}neisen ratios evaluated from the variation of the moduli with pressure were found to be negative and also to increase with increasing K2O concentration.",

author = "E. Gamberg and Uhlmann, {D. R.} and Chung, {D. H.}",

note = "Funding Information: Financial support for the present work was provided by the National Science Foundation. This support is gratefully acknowledged.",

year = "1974",

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doi = "10.1016/0022-3093(74)90003-9",

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T1 - Pressure dependence of the elastic moduli of glasses in the K2OSiO2 system

AU - Gamberg, E.

AU - Uhlmann, D. R.

AU - Chung, D. H.

N1 - Funding Information: Financial support for the present work was provided by the National Science Foundation. This support is gratefully acknowledged.

PY - 1974/3

Y1 - 1974/3

N2 - The elastic moduli and their variation with pressure have been determined for three glass compositions in the K2OSiO2 glass system. The results may be summarized: {A table is presented}. Additionally, the heat capacities of the three compositions were determined over the temperature range of 320 to 700 K, and were used together with the other data to evaluate the thermal Grüneisen ratios. This parameter was found to increase with increasing K2O concentration, with values of 0.48, 0.63 and 0.69 for the three compositions indicated above. For comparison, the acoustic Grüneisen ratios evaluated from the variation of the moduli with pressure were found to be negative and also to increase with increasing K2O concentration.

AB - The elastic moduli and their variation with pressure have been determined for three glass compositions in the K2OSiO2 glass system. The results may be summarized: {A table is presented}. Additionally, the heat capacities of the three compositions were determined over the temperature range of 320 to 700 K, and were used together with the other data to evaluate the thermal Grüneisen ratios. This parameter was found to increase with increasing K2O concentration, with values of 0.48, 0.63 and 0.69 for the three compositions indicated above. For comparison, the acoustic Grüneisen ratios evaluated from the variation of the moduli with pressure were found to be negative and also to increase with increasing K2O concentration.

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Pressure dependence of the elastic moduli of glasses in the K₂OSiO₂ system

Abstract

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