viscoelastic materials

viscoelastic materials
The most characteristic features of viscoelastic materials are that they exhibit a time-dependent strain response to a constant stress (creep) and a time-dependant stress response to a constant strain (relaxation). In addition, when the applied stress is removed the materials have the ability to recover slowly over a period of time

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  • viscoelastic — adjective Etymology: viscous + o + elastic Date: 1935 having appreciable and conjoint viscous and elastic properties < such viscoelastic materials as asphalt >; also constituting or relating to the state of viscoelastic materials < viscoelastic… …   New Collegiate Dictionary

  • viscoelastic — vis·co·elas·tic .vis kō ə las tik adj having appreciable and conjoint viscous and elastic properties also constituting or relating to the state of viscoelastic materials <viscoelastic properties> vis·co·elas·tic·i·ty .las tis ət ē, tis tē n …   Medical dictionary

  • materials testing — Introduction       measurement of the characteristics and behaviour of such substances as metals, ceramics, or plastics under various conditions. The data thus obtained can be used in specifying the suitability of materials for various… …   Universalium

  • materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …   Universalium

  • Viscoelasticity — is the property of materials that exhibit both viscous and elastic characteristics when undergoing deformation. Viscous materials, like honey, resist shear flow and strain linearly with time when a stress is applied. Elastic materials strain… …   Wikipedia

  • solids, mechanics of — ▪ physics Introduction       science concerned with the stressing (stress), deformation (deformation and flow), and failure of solid materials and structures.       What, then, is a solid? Any material, fluid or solid, can support normal forces.… …   Universalium

  • Creep (deformation) — For other uses, see Creep (disambiguation). v · d · e Materials failure modes Buckling …   Wikipedia

  • Dynamic mechanical analysis — Dynamic Mechanical Analyzer Acronym DMA Classification Thermal analysis Manufacturers Bose Electroforce Group, Mettler Toledo, Netzsch Instruments, PerkinElmer, TA Instruments, Triton Technology Ltd, Gabo Other techniques Related Isothermal… …   Wikipedia

  • Dynamic modulus — is the ratio of stress to strain under vibratory conditions (calculated from data obtained from either free or forced vibration tests, in shear, compression, or elongation). It is a property of viscoelastic materials. Contents 1 Viscoelastic… …   Wikipedia

  • Stress relaxation — describes how polymers relieve stress under constant strain. Because they are viscoelastic, polymers behave in a nonlinear, non Hookean fashion.Meyers and Chawla. Mechanical Behavior of Materials (1999) ISBN 0 13 262817 1] This nonlinearity is… …   Wikipedia

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