Borate Glasses pp 413-426 | Cite as

Viscous Flow in Binary Borate Melts

  • Charles J. Leedecke
  • Clifton G. Bergeron
Part of the Materials Science Research book series (MSR, volume 12)


The Theological properties and structure of vitreous B2O3 and borate glasses have been the subject of several investigations because of their unusual behavior. For example, the isothermal viscosity of alkali borate glasses has been found to decrease to a minimum and subsequently increase to a maximum as a modifier oxide is added to B2O3 (1,2). The effect has been termed the “boron anomaly” and attempts have been made to explain this from a group theory approach or by phase separation.


Free Volume Viscous Flow Flow Unit Borate Glass Free Volume Theory 
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Copyright information

© Plenum Press, New York 1978

Authors and Affiliations

  • Charles J. Leedecke
    • 1
  • Clifton G. Bergeron
    • 2
  1. 1.Ceramics Dev. Div. I Organization 5845Sandia LaboratoriesAlbuquerqueUSA
  2. 2.Dept. of Ceramic Eng. and Materials Research LaboratoryUniversity of IllinoisUrbanaUSA

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