Viscoelasticity - Wikipedia
In materials science and continuum mechanics, viscoelasticity is the property of materials that exhibit both viscous and elastic characteristics when undergoing deformation. Viscous materials, like water, resist both shear flow and strain linearly with time when a stress is applied.
1. What is viscoelasticity?
Typical examples of viscoelastic materials are spaghetti, shag (tobacco), a pile of worms moving through each other and (of course) polymers. Polymers are always viscoelastic because they consist out of long molecules which can be entangled with their neighbors.
viscoelasticity is also important in Biomechanics, since many biomaterials respond viscoelastically, for example, heart tissue, muscle tissue and cartilage. Viscoelastic materials are defined in section 10.1 and some everyday viscoelastic
Viscoelasticity | Description, Example & Application - Your Physicist
Mar 17, 2023 · Viscoelasticity is a phenomenon that describes the behavior of certain materials. Unlike purely elastic materials, viscoelastic materials exhibit both elastic behavior and viscous behavior. In other words, they can store and release energy like an elastic material, but they can also flow and deform like a viscous material.
Viscoelasticity - an overview | ScienceDirect Topics
Examples of viscoelastic materials are honey, peanut butter, dairy cream, marshmallow cream, and in biological materials, skin, bones and vessel walls are good examples. Viscoplasticity behavior of a fluid is characterized by a yield (threshold) stress which must be exceeded before the fluid will flow or deform.
Viscoelasticity - an overview | ScienceDirect Topics
The term viscoelasticity is a combination of two inherent properties, i.e., viscous and elastic. Characteristics and properties of viscoelastic materials such as polymers and elastomers include loss modulus (E″), storage modulus (E′), and tan δ (ratio of loss to storage modulus).
The concepts and techniques presented here are important for this purpose, but the principal objective of this document is to demonstrate how linear viscoelasticity can be incorporated into the general theory of mechanics of materials, so that structures containing viscoelastic components can be designed and analyzed.
The first class of materials is exemplified among biological materials by bone and shell (chapter 6), by the cellulose of plant cell walls (chapter 3), by the cell walls of diatoms, by the crystalline parts of a silk thread (chapter 2), and by the chitin of arthropod skeletons (chapter 5).
Viscoelasticity: Examples & Properties - StudySmarter
Viscoelasticity influences cyclic loading responses, damping properties, and temperature dependence. This means how materials respond to repeated forces, their capacity to absorb and dissipate energy, and how they behave at different temperatures hinge greatly on their viscoelastic properties.
Viscoelasticity - SpringerLink
Jan 1, 2020 · Viscoelasticity is a physical phenomenon which stands for the structural nature of solids when undergoing deformation. Simplifying the elasticity is the result of the bond stretching in an ordered solid, while the viscosity is the result of the molecular rearrangement.