Viscoelasticity is the property of materials that are shown to be both viscous and elastic. Viscous materials are for example honey that resist shear flow and strain when stress is applied. Elastic materials strain but then quickly return to their original state. A viscoelastic material simply have elements of both.
Visco elastic foam is also known as memory foam. The polyurethane foam molds to a persons body shape. It is primarily used for mattresses and pillows.
Visco elastic memory foam mattress toppers come in a variety of sizes, such as to fit a single bed. Similarly, they do toppers for double beds, king and queen sizes too.
"Visco Matresses are made of a visco-elastic foam. This is also known as memory foam. They do not come with a sleep number, the sleep number bed is an airbed. Both are highly rated matresses by consumers."
I sleep on a cheap bed with a tempur type, visco elastic foam 2 " overlay that eases pressure points. It has an elastic waistband that fits sizes 8 to 12 waist. .
A memory foam pillow is a pillow made from visco-elastic foam. Visco-elastic foam was developed by NASA in the mid to late 60's. VE foam is a dense foam that is heat sensitive and will acquire the shape of the object that rests against it. It will return to its original shape after a short while after the object is removed.
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Visco Corporation was created in 1982.
elasticity
Visco Grgich was born on 1923-01-19.
Ignazio Visco was born on 1949-11-21.
Memory foam or visco-elastic foam was developed by NASA in the mid to late 60's, but was not available to the wider public until the early 1980's.
Viscoelastic behavior is the combination of viscous (fluid-like) and elastic (solid-like) properties in a material. When subjected to stress, a viscoelastic material will exhibit both elastic deformation (instantaneous response) and viscous flow (time-dependent response). This behavior is commonly seen in polymers, biological tissues, and some fluids.