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In plastic deformation of metal, the deformation is temporary and can regain its original shape.

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in Casting-Forming-Welding II by (119k points)
In plastic deformation of metal, the deformation is temporary and can regain its original shape.

(a) True

(b) False

The question was asked in homework.

My query is from Plastic Deformation and Yield Criteria topic in division Types of Die & Metal Forming Processes of Casting-Forming-Welding II

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Right answer is (b) False

Explanation: Plastic deformation of any material means permanent deformation without the presence of external constraints. The plastic deformation of crystalline materials generally takes place by processes which are very different from that for the amorphous materials. In plastic deformation, material cannot regain its original shape.

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