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Viscoelasticity print that page


researched and experimented with creep and recovery of glasses , metals , and rubbers . [ 2 ] Viscoelasticity was further examined in the late twentieth century when synthetic polymers were engineered and used in a variety of applications. [ 2 ] Viscoelasticity calculations depend heavily

Rheology print that page


described by classical fluid mechanics or elasticity. Contents 1 Scope 2 Rheologist 3 Viscoelasticity 4 Applications 4.1 Materials science 4.1.1 Polymers 4.1.2 Biopolymers 4.1.3 Sol-gel 4.2 Geophysics 4.3 Physiology 4.4 Food rheology 4.5 Concrete rheology

Mohr-Coulomb theory print that page

In Geotechnical Engineering it is used to define shear strength of soils and rocks at different effective stresses . In structural engineering it is used to determine failure load as well as the angle of fracture of a displacement fracture in concrete and similar materials. Coulomb 's friction | 2010/9/25 21:44:04

Standard Linear Solid model print that page

The standard linear solid (SLS) model , also known as the Zener model , is a method of modeling the behavior of a viscoelastic material using a linear combination of springs and dashpots to represent elastic and viscous components, respectively. Often more similar Maxwell model and the Kelvin | 2010/9/26 2:31:52

Mechanical engineering print that page


The engineering field requires an understanding of core concepts including mechanics , kinematics , thermodynamics , materials science , and structural analysis . Mechanical engineers use these core principles along with tools like computer-aided engineering and product lifecycle management

Dynamic mechanical analysis print that page


Polymers composed of long molecular chains have unique viscoelastic properties, which combine the characteristics of elastic solids and Newtonian fluids . The classical theory of elasticity describes the mechanical properties of elastic solids where stress is proportional to strain in small

Physics of glass print that page


glass 3.1 Domains and defects 3.2 Dislocations and melting 4 Dynamics of glass 4.1 Viscoelasticity 5 Vitrification 5.1 Early work 5.2 Elastic waves 5.3 Heat transport 5.4 Electronic structure 6 See also 7 References 8 Further reading 9 External links

Rheometer print that page


A rheometer is a laboratory device used to measure the way in which a liquid, suspension or slurry flows in response to applied forces. It is used for those fluids which cannot be defined by a single value of viscosity and therefore require more parameters to be set and measured than is the

Viscoplasticity print that page


elements. Rate-dependence can be represented by nonlinear dashpot elements in a manner similar to viscoelasticity . Plasticity can be accounted for by adding sliding frictional elements as shown in Figure 1. [ 2 ] In the figure E is the modulus of elasticity , λ is the viscosity parameter

Quartz crystal microbalance print that page


A quartz crystal microbalance (QCM) measures a mass per unit area by measuring the change in frequency of a quartz crystal resonator. The resonance is disturbed by the addition or removal of a small mass due to oxide growth/decay or film deposition at the surface of the acoustic resonator