Morphological stability of cylindrical pores in an external diffusion field

A cylindrical pore undergoing densification in an external diffusion field can break down into closed pores at a lower aspect ratio that that predicted by Rayleigh and others. This is attributed to the reduction of the critical wavelength of the perturbation which is driven by the additional concent...

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Bibliographic Details
Published in:Journal of materials science letters 1989-11, Vol.8 (11), p.1320-1322
Main Authors: Kim, Sung Soo, Noh, Joon Woong, Churn, Kil Sung
Format: Article
Language:English
Subjects:
Chemistry
Colloidal gels. Colloidal sols
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
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Summary:A cylindrical pore undergoing densification in an external diffusion field can break down into closed pores at a lower aspect ratio that that predicted by Rayleigh and others. This is attributed to the reduction of the critical wavelength of the perturbation which is driven by the additional concentration gradient effect onto the pure capillary effect of surface energy term. 7 refs.
ISSN:0261-8028
1573-4811
DOI:10.1007/BF00721507