The solubility of gas bubbles
- G. W. Greenwood
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The solubility of a gas is usually defined in terms of its concentration in a semi-infinite material in equilibrium with the gas phase at a pressure of one atmosphere at a specified temperature. Since bubbles have a finite radius of curvature, it is important to extend this definition to describe their solubility in a way which is analogous to the equation relating the increase in solubility and decrease in radius of solid precipitates.
A thermodynamic analysis is presented which evaluates the gas solubility in equilibrium with a bubble and shows it to be independent of bubble radius except in so far as this radius is related to the pressure. The analysis is also applicable to bubbles having crystallographic faces and to bubbles whose shape is modified by intersection with grain-boundaries.
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- The solubility of gas bubbles
Journal of Materials Science
Volume 4, Issue 4 , pp 320-322
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- Kluwer Academic Publishers
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- G. W. Greenwood (1)
- Author Affiliations
- 1. Department of Metallurgy, The University, Sheffield, UK