Asked by Shankarkumar5474 | 30th Jun, 2019, 08:04: PM
Elasticity, ability of a deformed material body to return to its original shape and size when the forces
causing the deformation are removed. A body with this ability is said to behave (or respond) elastically.
To a greater or lesser extent, most
materials exhibit elastic behaviour, but there is a limit to the magnitudeof the
and the accompanying deformation within which elastic recovery is possible for any given material.This limit, called the
, is the maximum or force per unit area within a solid material that can arisebefore the onset of permanent deformation.
Stresses beyond the elastic limit cause a material to yield . For such materials the elastic limit marks the
end of elastic behaviour and the beginning of plastic behaviour. For most brittle materials, stresses beyond the
elastic limit result in fracture with almost no plastic deformation.
Answered by Thiyagarajan K | 30th Jun, 2019, 08:49: PM
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