This is what allows springs to store elastic potential energy. The opposite of elasticity is plasticity; when something is stretched, and it stays stretched, the material is said to be plastic. When energy goes into changing the shape of some material and it stays changed, that is said to be plastic deformation. Book Review | Published: 08 June Elasticity and Plasticity. M. A. JASWON. Nature volume , pages – (08 June ) | Download Citation. Elasticity is the tendency of solid objects and materials to return to their original shape after the external forces (load) causing a deformation are removed. An object is elastic when it comes back to its original size and shape when the load is no longer present.


Author: Andre Bergnaum
Country: Angola
Language: English
Genre: Education
Published: 18 October 2015
Pages: 292
PDF File Size: 27.69 Mb
ePub File Size: 14.58 Mb
ISBN: 801-8-29339-780-1
Downloads: 80810
Price: Free
Uploader: Andre Bergnaum


If the stress under a load becomes too high, then when the load is removed, the material no longer comes back elasticity and plasticity its original shape and size, but relaxes to a different shape and size: The material becomes permanently deformed.

Elasticity and plasticity elastic limit is the stress value beyond which the material no longer behaves elastically but becomes permanently deformed. Our perception of an elastic material depends on both its elastic limit and its elastic modulus.

What is the difference between plasticity and elasticity? - Quora

elasticity and plasticity For example, all rubbers are characterized by a low elastic modulus and elasticity and plasticity high elastic limit; hence, it is easy to stretch them and the stretch is noticeably large. Among materials with identical elastic limits, the most elastic is the one with the lowest elastic modulus.

When the load increases from zero, the resulting stress is in direct proportion to strain in the way given by Equation Conversely, the response force from the spring to an applied stretch is directly proportional to the stretch.

In the same way, the deformation of a material under a load is directly proportional to the load, and, conversely, the resulting stress is directly proportional to elasticity and plasticity. The linearity limit or the proportionality limit is the largest stress value beyond which stress is no longer proportional to strain.

12.4: Elasticity and Plasticity

Beyond the linearity limit, the relation between stress and strain is no longer linear. When stress becomes larger elasticity and plasticity the linearity limit but still within the elasticity limit, behavior is still elastic, but the relation between stress and strain becomes nonlinear.


For stresses beyond the elastic limit, a material exhibits plastic behavior. The presence of dislocations increases the likelihood of planes.

Hypo-elasticity and plasticity

Reversible plasticity[ edit ] On the nanoscale the primary plastic deformation in simple face centered cubic metals is reversible, as long as there is no material transport in form elasticity and plasticity cross-glide.

When this happens, plasticity is localized to particular regions in the material.

For crystals, these regions of localized plasticity are called shear bands. Plasticity in amorphous materials[ edit ] Crazing[ edit ] In amorphous materials, the discussion of "dislocations" is inapplicable, since the entire elasticity and plasticity lacks long range order.

Plasticity (physics) - Wikipedia

These materials can still undergo plastic deformation. Since amorphous materials, like polymers, are not well-ordered, they contain a large amount of free volume, or wasted space.

  • Elasticity and Plasticity - Physics LibreTexts
  • Difference Between Elasticity and Plasticity

Pulling these materials in tension opens up these regions and can give materials a hazy appearance. This haziness is the result of elasticity and plasticitywhere fibrils are formed within the material in regions of high hydrostatic stress.

The material may go from an ordered appearance to a "crazy" pattern of strain and stretch marks.

Plasticity (physics)

For further elasticity and plasticity, please do comment. Thank you for reading. They retain the new position even after the removal of external loading. Amount of elastic deformation is very small.

Difference Between Elasticity and Plasticity

Amount of plastic deformation is quite large. External force required for elastic deformation of solid is quite small. Force required for plastic deformation is also higher.

Related Articles: