ガラス表面に対する応力腐食作用のビッカース圧子押込み法による定量的評価(第2報): 水溶液中の金属イオンの影響

概要

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Crack growth measurement was performed in order to study the effect of pH of solution and the amount/nature of dissolved metal ions on stress-enhanced corrosion of glass. The testing conditions were systematically changed from the viewpoint of surface chemistry. The data of stress corrosion limit, K_<SCC> can be described in terms of pH of solution. The presence of metal ions dissolved in the solution at a specific pH suppressed the stress-enhanced corrosion. At this specific pH metal ions react with the glass surface. It was also found that the same effect was promoted at a constant pH when the concentration of metal ion increased. These results demonstrate that, although a complicated relation exists between concentration and nature of dissolved metal ions, crack growth data can be rationalized by taking the pH of solution as the parameter having the predominant effect.
社団法人日本セラミックス協会の論文
1999-01-01