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deformation and flow

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deformation and flow

Alteration in size or shape of a body under the influence of mechanical forces. Flow is a change in deformation that continues as long as the force is applied. Gases and liquids normally flow relatively freely, while solids deform when subjected to forces. Most solids initially deform elastically (see elasticity), though rigid material such as metals, concrete, or rocks can sustain large forces while undergoing little deformation. If enough force is applied, even these materials will reach their elastic limit, at which point brittle substances fracture while ductile materials (see ductility) rearrange their internal structure, the result being plastic deformation (see plasticity).



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Instrumental techniques that measure mouthfeel are based on the science of rheology, which measures the deformation and flow of materials.
Rheology is actually defined as the science that studies the deformation and flow of materials.
the study of deformation and flow properties of cellular and plasmatic components of blood and the rheological properties of vessel structures it comes in contact with.
 
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