( Chemical Engineering : General )
A liquid was injected into a colloidal inorganic gel to obtain penny-shaped cracks
that were subsequently allowed to close and heal under the driving effect of interfacial tension.
Interfacial tension occurs at the boundary of two immiscible liquids due to the imbalance of intermolecular
Interfacial tension is the tendency of an interface to become spherical to make its surface energy as
low as possible.
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