et

viskoelastsus

1

Terminological databases

Materjalitehnika terminibaas

ID 1142637 Last modified 06.05.2025
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Domain strength of materials
  • vedelikule iseloomulike viskoossete ja tahkele materjalile iseloomulike elastsete omaduste kombinatsioon materjalis (viskoelastses materjalis); kummagi omaduse osakaal sõltub temperatuurist, ajast, pingest ning moonekiirusest/deformatsioonikiirusest
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    • Viskoelastsus avaldub tavaliselt amorfsetel- ja poolkristalsetel polümeeridel, elastomeeridel, klaasil, betoonil ning samuti metallidel väga kõrgetel temperatuuridel. Viskoelastsuse erijuhtumiks on mitteelastus kusjuures mittelestse materjal taastab oma esialgse oleku peale koormuse eemaldamist. (vt mitteelastsus)
  • a combination of viscous and elastic properties in a material with relative contribution of each being dependent on temperature, time, stress, and strain rate
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    • Viscoelasticity is a material property commonly observed in amorphous and semicrystalline polymers, elastomers, glass, concrete and also metals at very high temperatures. A special case of viscoelastic materials are anelastic materials, which will fully recover to its original state on the removal of load. (see: anelasticity)
viskoelastsus
viscoelasticity

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