Corrosion Behaviors of Borosilicate Glasses in Various Leaching Agents

Article Preview

Abstract:

Static short-term corrosion tests were performed to two kinds of borosilicate glasses in deionized water, at 70°C and 150°C, respectively. Same corrosion experiments were also carried out in other leaching agents, such as simulated under ground water of Beishan, sulfuric acid solution (pH=0.5) and potassium hydroxide solution (pH = 13). Experimental results show that both leaching agent and corrosion temperature co-dominate the corrosion process, and the temperature plays more important role. At low temperature of 70°C, the corrosion reaction is controlled by the ion diffusing in DIW at earlier stage. While in PHS, network hydrolysis reaction is the main corrosion mechanism.

You might also be interested in these eBooks

Info:

Periodical:

Pages:

466-469

Citation:

Online since:

December 2010

Export:

Price:

Permissions CCC:

Permissions PLS:

Сopyright:

© 2011 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

[1] P.G. Eller, G.O. Tarvinen, et al.: Radiochim. Acta Vol. 39 (1985), p.17.

Google Scholar

[2] J. Sheng: Master thesis (China Institute of Atomic Energy, Beijing, China, 1994).

Google Scholar

[3] G.Q. Xu, J. Wang, H.L. Zheng, et al.: Geological Disposal of Radioactive Waste in the World (Atomic Energy Press, Beijing, China, 1999), p.48.

Google Scholar

[4] L.L. Hench, D.E. Clark, A.B. Harker, et al: J. Mater. Sci. Vol. 21(1986), p.1457.

Google Scholar

[5] W.L. Ebert: Phy. Chem. Glasses. Vol. 34.

Google Scholar

[2] (1993), p.58.

Google Scholar

[6] J.W. Sheng and S.G. Luo: Journal of Nuclear Materials Vol. 297(2001), p.57.

Google Scholar

[7] H. Zhang: Doctor Degree Thesis (Nuclear Scientific Research Institute, Beijing, China, 2004).

Google Scholar

[8] K.B. Harvey: Dissolution Models for Glassy Waste Forms (Atomic Energy of Canada Limited, Manitoba, Canada, 1995).

Google Scholar

[9] C.Y. Wang, Y. Tao: Glass Surfaces and Surface Treatment (Building Materials Industry Press, Beijing, China, 1993).

Google Scholar