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Examination of the Orientation Relationships between the Main Phases of Duplex Stainless Steel by EBSD

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Abstract:

Duplex stainless steels are a famous group of the stainless steels. Duplex stainless steels consist of mainly austenitic and ferritic phases, which is resulted by high content of different alloying elements and low content of carbon. These alloying elements can effect a number of precipitations at high temperatures. The most important phase of these precipitation is the σ-phase, what cause rigidity and reduced resistance aganist the corrosion. Several orientation relationships have been determined between the austenitic, ferritic and σ-phase in duplex stainless steels. In this paper we tried to verify them by EBSD (electron backscatter diffraction).

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Periodical:

Materials Science Forum (Volumes 537-538)

Pages:

297-302

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.537-538.297

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Online since:

February 2007

Authors:

Tibor Berecz, Péter János Szabó

Keywords:

Austenite, Duplex Stainless Steel, Electron Backscatter Diffraction (EBSD), Ferrit, Sigma-Phase

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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