Journal ArticleDOI
Non-destructive techniques for the detection of sigma phase in duplex stainless steel: A comprehensive review
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TLDR
In this paper, a review of the use of non-destructive techniques (NDT) for the detection of σ-phase and their application in engineering failure analysis and field study cases is presented.About:
This article is published in Engineering Failure Analysis.The article was published on 2021-04-01. It has received 32 citations till now. The article focuses on the topics: Nondestructive testing.read more
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Effects of Sigma Phase on the Initiation and Propagation of Pitting Corrosion of Duplex Stainless Steel, January 2005
TL;DR: In this paper, the effect of σ phase on the initiation and propagation of pitting corrosion of duplex stainless steel was examined using critical pitting temperature (CPT) and electrochemical noise measurements in a ferric chloride solution, and the results were discussed with microstructural variations with aging time.
Journal ArticleDOI
Precipitation of sigma phase in duplex stainless steel and recent development on its detection by electrochemical potentiokinetic reactivation:A review
TL;DR: In this article, the precipitation behavior of sigma (σ) phase in the ferritic/austenitic duplex steel (DSS) results in the deterioration of mechanical intensity and corrosion resistance.
Journal ArticleDOI
Microstructural characterization and non-destructive testing and of welded joints of duplex stainless steel in flexible pipes
Sérgio Souto Maior Tavares,Sérgio Souto Maior Tavares,Juan Manuel Pardal,Juan Manuel Pardal,L.F. Noris,Marilia Garcia Diniz +5 more
TL;DR: In this article, the microstructure and corrosion resistance of the welded joint and base metal were compared to the base metal and non-destructive tests and electrical resistance measurements were conducted.
Journal ArticleDOI
Effect of the nanostructuring by high-pressure torsion process on the secondary phase precipitation in UNS S32750 Superduplex stainless steel
TL;DR: In this paper , the precipitation and morphology of secondary phases after severe plastic deformation (SPD) processing followed by an isothermal treatment was investigated, and the results provided evidence that the precipitation of chromium nitrides seems to be the preferred nucleation site for sigma phase at higher deformation strain, in addition to the intergranular precipitation of sigma.
Journal ArticleDOI
Characteristics and Manufacturability of Duplex Stainless Steel: A Review
TL;DR: In this paper, the characteristics and manufacturability of duplex stainless steels (DSS) including recent developments have been reviewed, and the challenges of DSS remain in the embrittlement phase formation during the manufacturing of highly alloyed DSS, hot cracking and formability of the steel.
References
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Journal ArticleDOI
Super duplex stainless steels
TL;DR: An overview of duplex stainless steels with particular emphasis on super DSS is given in this paper, where a large number of references to the literature are given to aid the reader who is interested in acquiring a deeper understanding of the behaviour of this family of steels.
BookDOI
Phase Transformations in Metals and Alloys (Revised Reprint)
TL;DR: The phase transformation in metals and alloys, Third Edition as discussed by the authors provides information and examples that better illustrate the engineering relevance of this topic and provides a comprehensive overview of specific types of phase transformation.
Book
Duplex stainless steels : microstructure, properties and applications
TL;DR: In this paper, the authors present a non-destructive testing of welds for service experience, based on the application of service experience in metallurgy and metallurgical applications.
Journal ArticleDOI
Effect of weld metal chemistry and heat input on the structure and properties of duplex stainless steel welds
TL;DR: In this article, a low heat input process viz., EBW and another commonly employed process, gas tungsten-arc welding have been employed for welding of duplex stainless steels with and without nickel enhancement.
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