Rheological properties of potassium barium borate glasses

K.A. Szwejda, D.L. Vogel, J.M. Stevels

Research output: Contribution to journalArticleAcademicpeer-review

1 Citation (Scopus)

Abstract

Several series of potassium barium borate glasses have been investigated as to their rheological properties. It has been found, that all these glasses show deviations from ‘Newtonian’ behaviour below temperatures corresponding to viscosities of 1010 poises. The activation energies of viscous flow are linear in both the potassium and barium mole percentages. For the ternary systems the pre-exponential factors of the viscosities do not decrease considerably with increasing metal ion content, contratry to what has been found in binary systems.
Original languageEnglish
Pages (from-to)150-160
Number of pages11
JournalJournal of Non-Crystalline Solids
Volume12
Issue number2
DOIs
Publication statusPublished - 1973

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Borates
Barium
borates
barium
Potassium
potassium
Viscosity
viscosity
Glass
glass
viscous flow
Viscous flow
Ternary systems
ternary systems
Metal ions
metal ions
Activation energy
activation energy
deviation
Temperature

Cite this

Szwejda, K.A. ; Vogel, D.L. ; Stevels, J.M. / Rheological properties of potassium barium borate glasses. In: Journal of Non-Crystalline Solids. 1973 ; Vol. 12, No. 2. pp. 150-160.
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Rheological properties of potassium barium borate glasses. / Szwejda, K.A.; Vogel, D.L.; Stevels, J.M.

In: Journal of Non-Crystalline Solids, Vol. 12, No. 2, 1973, p. 150-160.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Vogel, D.L.

AU - Stevels, J.M.

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AB - Several series of potassium barium borate glasses have been investigated as to their rheological properties. It has been found, that all these glasses show deviations from ‘Newtonian’ behaviour below temperatures corresponding to viscosities of 1010 poises. The activation energies of viscous flow are linear in both the potassium and barium mole percentages. For the ternary systems the pre-exponential factors of the viscosities do not decrease considerably with increasing metal ion content, contratry to what has been found in binary systems.

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