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- Title
Influence of Cold Rolling on Microstructural Evolution in 2205 Duplex Stainless Steel.
- Authors
Pramanik, Sudipta; Bera, Supriya; Ghosh, Swarup Kumar
- Abstract
The influence of cold rolling on the microstructural changes of 2205 duplex stainless steel was investigated. The steel samples revealed the presence of almost equal volume fraction of δ-ferrite and austenite phase after hot rolling. During cold rolling, the above phase constituents became flattened, fragmented as well as transformed into acicular microstructural constituents with increasing amount of cold deformation. The transmission electron microscopy revealed the presence of strain-induced α′ martensite, Moiré fringes, elongated worm-like closed slip band channels and poorly developed dislocation cell structures. The volume percent of the constituent phases has been quantified by X-ray diffraction analysis, which has also been substantiated by the image analysis result. The micro-hardness measurement establishes that the work hardening capacity of austenite is more compared to ferrite.
- Subjects
COLD rolling; DUPLEX stainless steel; AUSTENITE; TRANSMISSION electron microscopy; X-ray diffraction; MARTENSITE
- Publication
Steel Research International, 2014, Vol 85, Issue 5, p776
- ISSN
1611-3683
- Publication type
Article
- DOI
10.1002/srin.201300293