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Microstructure and Deformation Behavior of Cold-Rolled Super-Duplex Stainless Steel

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Abstract:

The present examination is a part of project concerning a deformation behavior of duplex type ferritic-austenitic stainless steels. The investigations included the analysis of ferrite and austenite microstructures formed in cold-rolled sheet of super-duplex stainless steel, major deformation mechanisms operating in both constituent phases and changes in morphology of two-phase structure after the thermo-mechanical treatment and subsequent cold-rolling. Duplex type stainless steels develop the band-like ferrite-austenite morphology in the course of hot- and cold-rolling. This specific two-phase structure creates different conditions for plastic deformation in comparison to single phase steels. The interaction of both phases upon deformation exerts fairly significant influence on structure and texture formation in both constituent phases and in consequence affects the material properties and its behavior upon further processing.

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Applied Crystallography XXI View Preview

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Periodical:

Solid State Phenomena (Volume 163)

Pages:

151-156

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.163.151

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Online since:

June 2010

Authors:

Janusz Ryś, Małgorzata Witkowska

Keywords:

Austenite Microstructure, Band-Like Morphology, Cold Rolling, Deformation Behavior, Ferrite Microstructure, Super-Duplex Stainless Steel

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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