Stress Corrosion of Glass

This paper a review of environmentally induced stress corrosion (static fatigue) mechanisms of glass. The rates of extractions of glass constituents by alkali ion-exchange or silica dissolution in water and buffered solution were discussed as a basis of stress corrosion, and the strength in crease of abraded glasses after immersing in water was explained in terms of potential strengthening mechanisms. And a detailed chemical bond rupture model in silica glass for the interaction of the environment with mechanically strained bonds at a tip of crack was presented as a stress corrosion crack growth model. The stress corrosion behavior and static fatigue limit of glasses obtained by measuring crack velocity as a function of applied stress using the double-cantilever cleavage specimen were shown, and the effects of temperature, pH and vapor concentration on fracture behavior and the stages of stress corrosion was also discussed