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The ability of a solid to recover its original form when a stress is applied and quickly removed The elastic limit is the greatest stress that a material is capable of sustaining without permanent deformation remaining on the complete release of the stress The modulus of elasticity is the ratio of stress to strain in a material that is elastically deformed The yield value is the lowest stress at which a material undergoes plastic deformation Below this stress, the material is elastic, above it, viscous
The condition when the percentage change in quantity demanded is greater than the percentage change in price
The elasticity of a material or substance is its ability to return to its original shape, size, and condition after it has been stretched. Daily facial exercises help her to retain the skin's elasticity. Ability of a deformed material body to return to its original shape and size when the forces causing deformation are removed. Most solids show some elastic behaviour, but there is usually a limit the material's "elastic limit" to the force from which recovery is possible. Stresses beyond its elastic limit cause the material to yield, or flow, and the result is permanent deformation or breakage. The limit depends on the material's internal structure; for example, steel, though strong, has a low elastic limit and can be extended only about 1% of its length, whereas rubber can be elastically extended up to about 1,000%. Robert Hooke, one of the first to study elasticity, developed a mathematical relation between tension and extension
The property of an article which tends to return to its original shape after deformation Elongation - Extension produced by a tensile stress Expanded Rubber - Cellular rubber having closed cells made from a solid rubber compound Extrusion - 1) Distortion, under pressure, of portion of seal into clearance between mating metal parts 2) Material, under pressure, which is forced through the opening of a die in order to obtain a desired cross sectional shape
Refers to the sensitivity of the quantity supplied or demanded of a commodity as the price of that commodity changes A commodity demand or supply that is elastic will change in response to price movements while an inelastic demand or supply is relatively unresponsive to changes in price
The property of an article which tends to return it to its original shape after deformation
The property of an article, which tends to return to its original shape after deformation
The ability of a fiber or fabric to return to its original length, shape, or size immediately after the removal of stress
the tendency of a body to return to its original shape after it has been stretched or compressed; "the waistband had lost its snap
The ability to recover the original size and shape after being deformed, especially stretched, forces are released
The ability of a body which has been deformed by an applied force to return to its original shape when the force is removed
the tendency of a body to return to its original shape after it has been stretched or compressed; "the waistband had lost its snap"
The property of materials to recover their original size and shape after deformation
The quality of being elastic; the inherent property in bodies by which they recover their former figure or dimensions, after the removal of external pressure or altering force; springiness; tendency to rebound; as, the elasticity of caoutchouc; the elasticity of the air
The tendency of a body to return to its original size and shape after being deformed
The ability of a strained material to recover its original size and shape immediately after removal of the stress that causes deformation Example in our line: "Triton Stretch", upholstery
The ability of paint or caulk to expand and contract with the substrate without suffering damage or changes in its appearance Expansion and contraction are usually caused by temperature and humidity fluctuations
The property of a material which allows it to recover its original size and shape immediately after removal of the force causing deformation
The ability of hair or skin to stretch without breaking/morphing and then return to their original shape
A characteristic of commodities which describes the commodity A commodity is said to be elastic in demand when a price change creates an increase or decrease in consumption; the supply of a commodity is said to be elastic when a change in price creates change in the production of the commodity
the property whereby a material changes its shape under the action of loads but recovers its original shape when the loads are removed
having the quality of being stretchy; being able to return to the original shape after being compressed, bent, or otherwise distorted
The property of an article which tends to return to its original shape after deformation
In tension it is the ration of stress to the corresponding strain within the limit of elasticity (Yield Point) of a material For carbon and low alloy steels any composition and treatment, the value is approximately 30,000,000 psi
This is a measure of rigidity based on the ratio of stress to corresponding strain in an elastic material When a material is subjected to an external load it becomes distorted or strained With metals, provided the loading is not too great, they return to their original dimensions when the load is removed, i e they are elastic Within the limits of elasticity, the ratio of the linear stress to the linear strain is termed the modulus of elasticity or more commonly known as Young's Modulus
When a material is subjected to an external load it becomes distorted or strained With metals, provided the loading is not too great, they return to their original dimensions when the load is removed, i e they are elastic Within the limits of elasticity, the ratio of the linear stress to the linear strain is termed the modulus of elasticity or more commonly known as Young's Modulus
Rate of change of strain as a function of stress The slope of the straight line portion of a stress-strain diagram Tangent modulus of elasticity is the slope of the stress-strain diagram at any point Secant modulus of elasticity is stress divided by strainat any given value of stress or strain It also is called stress-strain ratio
A ratio of stress to strain Used in engineering calculations to determine rigidity and deflections The higher the number, the more rigid the item will be for a given load The units are in pounds per square inch (psi)
The ratio of stress to corresponding strain throughout the range where they are proportional As there are three kinds of stresses, so there are three kinds of moduli of elasticity for any material -- modulus in tension, in compression, and in shear
A measure of a material's stiffness The constant relating stress (force) and strain (deformation) within the elastic range of a material The higher the modulus of elasticity, the stiffer the material Also called elastic modulus and Young's modulus
Is the slope of the straight-line portion of the stress-strain curve in the elastic range found by dividing the unit stress in ksi by the unit strain in in/in For all structural steels, the value is usually taken as 29,000 ksi This is also called Young's Modulus
Same as Young Modulus this is how flexible a material is A high value tells us that the material is stiff whereas a low value tells us that the material is flexible
A measure of the rigidity of metal Ratio of stress, within proportional limit, to corresponding strain Specifically, the modulus obtained in tension or compression is Young's modulus, stretch modulus or modulus of extensibility; the modulus obtained in torsion or shear is modulus of rigidity, shear modulus or modulus of torsion; the modulus covering the ratio of the mean normal stress to the change in volume per unit volume is the bulk modulus The tangent modulus and secant modulus are not restricted within the proportional limit; the former is the slope of the stress-strain curve at a specified point; the latter is the slope of a line from the origin to a specified point on the stress-strain curve Also called elastic modulus and coefficient of elasticity
or Young's modulus is the ratio of stress to strain Within the elastic range below the proportional limit, this ratio is a constant for a given piece of wood, making it useful in static bending tests for determining the relative stiffness of a board The modulus of elasticity is normally measured in pounds per square inch (psi) and is abbreviated as MOE or E Values for E relating to wood properties are commonly in terms of million psi; for simplicity, a board with a modulus of elasticity of 2,100,000 psi (2 1 x 106) may be reported as 2 1E
An index of the stiffness of a material, applicable for example to the bending of a beam (see Young's Modulus); it is derived by measuring the elastic deformation of the material as it is placed under stress, and then dividing the stress by the deformation
price elasticity of demand: a measure of the responsiveness of the quantity demanded of a good to changes in price It equals the percentage change in quantity demanded divided by the percentage change in price; price elasticity of supply: a measure of the responsiveness of the quantity supplied of a good to changes in price It equals the percentage change in quantity supplied divided by the percentage change in price (Stiglitz and Boadway, 1994) (S4, III 2) chinese | russian
buyers' sensitivity to price; measured by the percentage change in quantity demanded that results from a percentage change in price See Price Inelasticity
a measure of the sensitivity of supply and demand to changes in price If price elasticity is low, a large change in price will lead to a small change in supply