Generalized Hertzian model for the deformation and cracking of colloidal packings saturated with liquid |
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| Authors: | Russel William B Wu Ning Man Weining |
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| Institution: | Department of Chemical Engineering, Princeton University, Princeton, New Jersey 08544, USA. wbrussel@princeteon.edu |
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| Abstract: | The process of drying colloidal dispersions generally produces particulate solids under stress as a result of capillary or interparticle forces. The derivation of a constitutive relation on the basis of Hertzian contact mechanics between spheres provides a model for quantitatively predicting the conditions under which close-packed colloidal layers form continuous void-free films or homogeneous porous films or crack under tensile stresses. |
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