Abstract
Inhibitor action of Be, Mg, Ca, Sr, Ba, Zn and Al to the alkaline solution attack on silica glass was investigated. Metal silicate hydrated compound was formed on silica glass surface when a minute quantity of alkaline earth element was added to sodium hydroxide solution, while no such film was formed when Zn or Al was added. In addition, extensive crack growth was observed in the case of heavy alkaline earth elements such as Ba and Sr.
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