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HomeDefect and Diffusion ForumDefect and Diffusion Forum Vol. 322Duplex Stainless Steels: A Dozen of Significant...

Duplex Stainless Steels: A Dozen of Significant Phase Transformations

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Abstract:

During processing or use, duplex stainless steels are subject to a great number of significant phase transformations, such as solidification, partial ferrite transformation to austenite, ferrite eutectoid decomposition to sigma phase plus austenite, chi phase precipitation, chromium carbide precipitation, chromium nitride precipitation, ferrite spinodal decomposition, phase dissolution during solution annealing, forming of two types (epsilon and alpha prime) of strain induced martensite, martensite reversion to austenite, ferrite and austenite recrystallization. This paper summarizes the phase transformations that occur (individually or combined) in duplex stainless steels and presents some new results.

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Periodical:

Defect and Diffusion Forum (Volume 322)

Pages:

163-174

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.322.163

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Online since:

March 2012

Authors:

Angelo Fernando Padilha, D.J.M. Aguiar, Ronald Lesley Plaut

Keywords:

Duplex Stainless Steel, Microstructure, Phase Transformation

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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