The standard thermodynamic definition of a liquid is a material that takes the shape but not the volume of its container. A gel is a material that exhibits no flow when in steady-state. Gelatin is a common gel.
Flory tried to address the subject in the Faraday Discussions (#57) back in 1974. Despite being thorough and pendantic, I think he go nowhere. Clearly, two or more phases must be present in order to portray the desired rheology, but after that, anythings goes.
Flory tried to address the subject in the Faraday Discussions (#57) back in 1974. Despite being thorough and pendantic, I think he go nowhere. Clearly, two or more phases must be present in order to portray the desired rheology, but after that, anythings goes.
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