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Journal of Materials Science

, Volume 46, Issue 4, pp 999–1006 | Cite as

Influence of sintering atmosphere on the microstructure and water durability of SnO–MgO–P2O5 glass

  • Jiin-Jyh Shyu
  • Chih-Hsien Yeh
Article

Abstract

Effects of sintering atmosphere (Ar, air, and O2) on the sinterability and crystallization at 380–470 °C of 60SnO, 10MgO, 30P2O5 (mol%) glass powder, and the water durability of the sintered glass were investigated. Increasing the oxygen partial pressure \( (P_{{{\text{O}}_{2} }} ) \) in the sintering atmosphere enhanced the oxidation tendency of Sn2+ to Sn4+ near the surface region of the glass particles. Therefore, the glass viscosity was increased, resulting in the increase in both the temperature of densification and the temperature at which crystalline phases developed. Phase assemblage and the amounts of crystalline phases were also affected by \( P_{{{\text{O}}_{2} }} . \) The water durability of the sintered glasses is discussed in terms of the above microstructural parameters.

Keywords

Sinter Temperature Phosphate Glass Glass Powder Phase Assemblage Sintered Glass 
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.

Notes

Acknowledgements

This work was supported by Tatung University under Contract No. B97-T10-010. It was also supported by the National Science Council of the Republic of China under Contract No. NSC 97-2221-E-036-005.

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.Department of Materials EngineeringTatung UniversityTaipeiTaiwan

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