Plastic deformation and work hardening
Strengthening of metallic alloys Microstructure influence on plastic deformation
Quizzed article REF: M4340 V2
Plastic deformation and work hardening
Strengthening of metallic alloys Microstructure influence on plastic deformation

Authors : Jean-Hubert SCHMITT, Thierry IUNG

Publication date: December 10, 2016, Review date: November 25, 2020 | Lire en français

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4. Plastic deformation and work hardening

Tensile tests clearly demonstrate the hardening of metal alloys during plastic deformation. This phenomenon is directly linked to the physical deformation mechanisms at the polycrystal grain scale. After a detailed analysis of hardening resulting from dislocation interaction, the preferred deformation mechanism in ferrite, we present other, more active deformation modes in austenitic grades.

4.1 Dislocation-dislocation interaction: hardening by strain-hardening

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4.1.1 Dislocation hardening

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