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Luders-like deformation induced by delta-ferrite-assisted martensitic transformation in a dual-phase high-manganese steel

Author: Fu, LM; Li, ZM; Wang, HR; Wang, W; Shan, AD

 

Journal: SCRIPTA MATERIALIA

 

Abstract:

An enhancement of ductility and a special Lüders-like deformation phenomenon with remarkable plastic instability and large stress plateau are found in a high-temperature annealed dual-phase (delta-ferrite and austenite) high-manganese steel. A martensite transformation induced by the localized strain concentration of delta-ferrite is proposed to explain this type of Lüders-like phenomenon.

 

WOS: 000306256600019