Both elastic and plastic deformations are reversible. The only difference between the two is that elastic material responds to stress in a linear fashion, and plastic responds in a non-linear fashion.

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Elastic deformation is reversible, meaning the material returns to its original shape after the stress is removed. Plastic deformation is irreversible, as the material undergoes permanent changes and does not return to its original shape after the stress is removed.

Both Elastic and Plastic Deformations Are Reversible