Journal ArticleDOI
Dissimilar welding of duplex stainless steel with Ni alloys: A review
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In this paper, the authors present an overview of the dissimilar welded joint's microstructure and mechanical behavior, and the effect of intermetallic phases such as sigma phase, FCC carbides like (M23C6, M6C, and M7C3), laves phase, R and χ-phase, Z-phase on the mechanical property of dissimilar welding joints of each material are reviewed in detail.About:
This article is published in International Journal of Pressure Vessels and Piping.The article was published on 2021-08-01. It has received 64 citations till now. The article focuses on the topics: Inconel 625 & Stress corrosion cracking.read more
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Fusion-boundary macrosegregation in dissimilar-filler welds : Fundamental solidification and macrosegregation in welds made with filler metals different in composition from the workpiece are presented
S. Kou,Y. K. Yang +1 more
TL;DR: The formation of macrosegregation along the fusion boundary and degradation of weld quality is still not well understood as mentioned in this paper, but it is known that the filler metal in arc welding is different (dissimilar) in composition from the base metal.
Journal ArticleDOI
Theory of cross phenomena and their coefficients beyond Onsager theorem
TL;DR: In this article , it was shown that the Onsager theorem is intrinsically diagonal when the driving forces are chosen from the gradients of potentials that drive the fluxes of their respective conjugate molar quantities, including the contributions from internal processes.
Journal ArticleDOI
Study on Microstructure and Mechanical Properties of Laser Welded Dissimilar Joint of P91 Steel and INCOLOY 800HT Nickel Alloy.
TL;DR: In this paper, the weld characteristics of a laser welded dissimilar joint of ferritic/martensitic 9Cr-1Mo-V-Nb (P91) steel and Incoloy 800HT austenitic nickel alloy were explored.
Journal ArticleDOI
Some studies on dissimilar welds joint P92 steel and Inconel 617 alloy for AUSC power plant application
Amit Kumar,Chandan Pandey +1 more
TL;DR: In this paper , the microstructure evolution in gas tungsten arc welded (GTAW) dissimilar joint of P92 steel and Inconel 617 alloy produced by using the P92 filler was examined using an optical microscope (OM) and field emission scanning electron microscope (FESEM).
References
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Journal ArticleDOI
Recent developments in stainless steels
Abstract: This article presents an overview of the developments in stainless steels made since the 1990s. Some of the new applications that involve the use of stainless steel are also introduced. A brief introduction to the various classes of stainless steels, their precipitate phases and the status quo of their production around the globe is given first. The advances in a variety of subject areas that have been made recently will then be presented. These recent advances include (1) new findings on the various precipitate phases (the new J phase, new orientation relationships, new phase diagram for the Fe–Cr system, etc.); (2) new suggestions for the prevention/mitigation of the different problems and new methods for their detection/measurement and (3) new techniques for surface/bulk property enhancement (such as laser shot peening, grain boundary engineering and grain refinement). Recent developments in topics like phase prediction, stacking fault energy, superplasticity, metadynamic recrystallisation and the calculation of mechanical properties are introduced, too. In the end of this article, several new applications that involve the use of stainless steels are presented. Some of these are the use of austenitic stainless steels for signature authentication (magnetic recording), the utilisation of the cryogenic magnetic transition of the sigma phase for hot spot detection (the Sigmaplugs), the new Pt-enhanced radiopaque stainless steel (PERSS) coronary stents and stainless steel stents that may be used for magnetic drug targeting. Besides recent developments in conventional stainless steels, those in the high-nitrogen, low-Ni (or Ni-free) varieties are also introduced. These recent developments include new methods for attaining very high nitrogen contents, new guidelines for alloy design, the merits/demerits associated with high nitrogen contents, etc.
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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.
Book
Handbook Of Stainless Steels
TL;DR: Handbook of stainless steels, Handbook of Stainless Steels as mentioned in this paper, Handbook of Stochastic Graphite and Graphite Graphite (HGPG), 2015, p.