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Elastic deformation can disappear completely when the load is removed from the metal.

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in Casting-Forming-Welding II by (119k points)
Elastic deformation can disappear completely when the load is removed from the metal.

(a) True

(b) False

I got this question during an interview for a job.

I want to ask this question from Plastic Deformation and Yield Criteria in section Types of Die & Metal Forming Processes of Casting-Forming-Welding II

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The correct option is (a) True

Easiest explanation: In general, deformation can be of two types, elastic or plastic. Elastic deformation can disappear completely when the load is removed from the metal, whereas plastic deformation is a permanent deformation which occurs when the elastic range of deformation exceeds. The plastic deformation takes place without any failure and does not disappear after removing the load.

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