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Scaling Law for Cracking in Shrinkable Granular Packings.

08:00 EDT 11th October 2019 | BioPortfolio

Summary of "Scaling Law for Cracking in Shrinkable Granular Packings."

Hydrated granular packings often crack into discrete clusters of grains when dried. Despite its ubiquity, an accurate prediction of cracking remains elusive. Here, we elucidate the previously overlooked role of individual grain shrinkage-a feature common to many materials-in determining crack patterning using both experiments and simulations. By extending classical Griffith crack theory, we obtain a scaling law that quantifies how cluster size depends on the interplay between grain shrinkage, stiffness, and size-applicable to a diverse array of shrinkable granular packings.

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This article was published in the following journal.

Name: Physical review letters
ISSN: 1079-7114
Pages: 158004

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