Abstract
THE technical definition of the term rigidity is arrived at by considering a cube of an elastic solid one face of which is held while a tangential force is applied to the opposite one. The cube undergoes a deformation called a ‘shear’ and resists it by virtue of a property called its rigidity, which causes it to return to its original shape when the force ceases to act. The terms of the experiment lead to a quantitative expression, the modulus of rigidity, that is, the force which, applied to a cube of unit dimensions, would produce unit deformation.
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HATSCHEK, E. Rigidity and other Anomalies in Colloidal Solutions1. Nature 119, 857–859 (1927). https://doi.org/10.1038/119857a0
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DOI: https://doi.org/10.1038/119857a0