Density, viscosity and surface tension of 50RO-50P2O5 (R: Mg, Ca, Sr, Ba, and Zn) glass melts

S. Toyoda, Shigeru Fujino, K. Morinaga

    Research output: Contribution to journalArticle

    39 Citations (Scopus)

    Abstract

    The density, surface tension and viscosity of the 50RO-50P2O5 (R: Mg, Ca, Sr, Ba and Zn) glass melts have been measured over the range, 1073-1623 K. The effects of R cations on these properties have been investigated. The density of the melt was found to increase in the order, R: Mg<Ca<Zn<Sr<Ba, with increasing molar weight of cation. The surface tension in the temperature range of 1373-1473 K increased approximately with cation in the order, R: Zn<Ba<Mg<Ca<Sr. The viscosity and the negative, temperature coefficient of surface tension increased in the order, R: Ba<Sr<Ca<Zn<Mg. All melts exhibited negative temperature coefficients of surface tension. The effect of Mg and Zn cations on the properties were different to that for Ba, Sr, and Ca cations and this is discussed using bulk glass data published in a previous report. The features of Mg and Zn metaphosphate glass melts, that is high values of viscosity, and temperature coefficient of surface tension, are related to the small Oxygen Coordination Number of the cations (= 4) when compared with those of Ca, Sr, Ba metaphosphate glass melts.

    Original languageEnglish
    Pages (from-to)169-174
    Number of pages6
    JournalJournal of Non-Crystalline Solids
    Volume321
    Issue number3
    DOIs
    Publication statusPublished - Jul 1 2003

    Fingerprint

    Surface tension
    Cations
    interfacial tension
    Positive ions
    Viscosity
    viscosity
    cations
    Glass
    glass
    Negative temperature coefficient
    coefficients
    temperature
    coordination number
    Oxygen
    Temperature
    oxygen

    All Science Journal Classification (ASJC) codes

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

    Cite this

    Density, viscosity and surface tension of 50RO-50P2O5 (R : Mg, Ca, Sr, Ba, and Zn) glass melts. / Toyoda, S.; Fujino, Shigeru; Morinaga, K.

    In: Journal of Non-Crystalline Solids, Vol. 321, No. 3, 01.07.2003, p. 169-174.

    Research output: Contribution to journalArticle

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