Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2005-04-07
Physics
Condensed Matter
Soft Condensed Matter
8 pages, 7 figures
Scientific paper
A study of crack patterns in laponite films of different thickness is presented. Two cracking regimes are observed. The earlier with a higher rate of desiccation and shrinking has predominantly four-fold vertices in the crack network, while the later regime has less volume shrinking and forms mainly three-fold vertices. The pattern shows a self-similarity under coarse-graining. The graph of area covered by the cracks versus minimum crack-width resolved, scales with the film thickness. Curves representing crack area for different thickness can thus be made to collapse onto a single curve.
Dutta Tapati
Mal Dibyendu
Mitra Saibal
Sinha Suparna
Tarafdar Sujata
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