What is it about?
Duplex and superduplex staiinless steel are prone to nucleate and propagate some phases, in general, intermetallics, that lead to decrease mechanical resistance and corrosion properties of these steels systems. The paper has study the precipitation mechanismos and identification of the main points of secondary hases, in general, rich in Cr, Mo, C and N.
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Why is it important?
The paper is important since identify and describe in deep these secondary phases. Their prsence in duplex and superduplex stainless steel should be define in advance before put in service these alloy systems.
Perspectives
This pubñlication will permit open a new aprroach to define the secondary phases of duplex and superduplex stainless steels. These phases have a negative effect on mechanical resistance and against corrosion behaviour since are rich in Cr and Mo. Specimens selection have been very important to identify the secondary phases, in general called "sigma phase" but include another ones, like chi, and carbides and nitrides rich in Cr and Mo.
Dr María Victoria Biezma Moraleda
University of Cantabria
This publication is important in my knowledge because includes new and complementary information about the behavior of duplex and superduplex stainless steels such those studied.
Dr Antonio Roca
Universitat de Barcelona
Read the Original
This page is a summary of: Study of the Precipitation of Secondary Phases in Duplex and Superduplex Stainless Steel, Materials Science Forum, November 2016, Trans Tech Publications,
DOI: 10.4028/www.scientific.net/msf.879.2537.
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