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Impact Toughness and Fatigue Crack Propagation in Carbide‐Free Bainite: The Adverse Role of Retained Austenite and Martensite‐Austenite Islands

open access: yesFatigue &Fracture of Engineering Materials &Structures, Volume 48, Issue 10, Page 4217-4227, October 2025.
ABSTRACT The deformation behavior of carbide‐bearing bainite (CBB) and carbide‐free bainite (CFB) under various loading conditions is investigated. Retained austenite (RA) in CFB enhances strength and ductility only under uniaxial tension through gradual strain‐induced martensitic transformation, yet deteriorates impact toughness and fatigue crack ...
Oguz Gulbay   +2 more
wiley   +1 more source

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