Porosity governs normals stresses in polymer gels

21 Oct 2016 de Cagny Henri C. G. Vos Bart E. Vahabi Mahsa Kurniawan Nicholas A. Doi Masao Koenderink Gijsje H. MacKintosh Fred C. Bonn Daniel

When sheared, most elastic solids such as metals, rubbers and polymer hydrogels dilate in the direction perpendicular to the shear plane. This well-known behaviour known as the Poynting effect is characterized by a positive normal stress... (read more)

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