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Metal Fabricating Glossary
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plastic deformation

noun

Definition

  1. The permanent (inelastic) distortion of metals under applied stresses that strain the material beyond its elastic limit. The ability of metals to flow in a plastic manner without fracture is the fundamental basis for all metal forming processes. Also called plastic strain.

Reference on theFabricator.com

Determining the flow stress curve with yield and ultimate tensile strengths, Part I

External Sources

Wikipedia: plastic deformation