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Journal of Materials Science

, Volume 42, Issue 13, pp 4772–4777 | Cite as

Formation and properties of SnO–MgO–P2O5 glasses

  • Jiin-Jyh ShyuEmail author
  • Chih-Hsien Yeh
Article

Abstract

A new glass system SnO–MgO–P2O5 with low viscosity has been developed by a melt-quenching method. Formation, thermal properties, and chemical durability of these glasses have been investigated. For a constant P2O5 concentration, the glass formation ability is enhanced with the increasing Sn/(Sn + Mg) ratio. The glasses exhibit low glass transition temperature (T g = 270–400 °C), low dilatometric softening temperature (T DS = 290–420 °C), and high thermal expansion coefficient (CTE = 110–160 × 10−7 K−1). With the increasing Sn/(Sn + Mg) ratio, T g and T DS decrease, and CTE increases. When Sn/(Sn + Mg) ratio is varied, the relationship between chemical durability and thermal properties of the present glasses is not consistent with what expected in general cases. It is noted that the glasses with 32–32.5 mol% P2O5 exhibit excellent chemical durability and tunable T g, T DS, and CTE (by varying Sn/(Sn + Mg) ratio).

Keywords

P2O5 Dissolution Rate Phosphate Glass Glass Formation Glass Formation Ability 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Department of Materials EngineeringTatung UniversityTaipeiTaiwan

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