Abstract
Helium permeation, diffusion, and solubility were measured for K2O-SiO2 glasses containing 0 to 32 mol% K2O. All 3 parameters decrease continuously with increasing K concentration. Comparison of these results with those reported previously for Na2O-SiO2 glasses confirm the contention that helium migration in glass is affected by changes in substructure as well as in atomistic structure. Helium mobility and solubility in single-phase glasses appear to be controlled by the accessible free volume of the glass network.
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Schedule a callMore From: Journal of the American Ceramic Society. American Ceramic Society
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