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Fundamentals on Welding of Duplex / Super Duplex Stainless Steels
MECC 2023, 2023Abstract This paper aims at providing general guidelines for welding duplex stainless steels. Whilst industry practices and literature were reviewed, the document is mainly based on the personal experience of the authors with duplex welding in Saudi Aramco and other projects they had participated during their welding engineering career ...
Achilles G. Koutlis +2 more
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Welding duplex and super duplex stainless steels
Anti-Corrosion Methods and Materials, 1995Duplex stainless steels have become important competitors to austenitic stainless steels in many applications and a great deal of attention has focused on the welding aspects. The introduction of modern grades with improved properties and a competitive price level have increased their use in the offshore, petrochemical and shipbuilding industries, for ...
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2008
Abstract This chapter provides information on the structure, design aspects, mechanical properties, forming, machining, and corrosion resistance characteristics of duplex stainless steels. The different types of corrosion covered are general corrosion, pitting corrosion, crevice corrosion, and stress corrosion cracking.
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Abstract This chapter provides information on the structure, design aspects, mechanical properties, forming, machining, and corrosion resistance characteristics of duplex stainless steels. The different types of corrosion covered are general corrosion, pitting corrosion, crevice corrosion, and stress corrosion cracking.
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Measuring secondary phases in duplex stainless steels
JOM, 2009The use of duplex stainless steels is limited by their susceptibility to the formation of dangerous intermetallic phases resulting in detrimental effects on impact toughness and corrosion resistance. This precipitation and the quantitative determinations of the phases have received considerable attention and different precipitation sequences (σ phase ...
CALLIARI, IRENE +3 more
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Corrosion behavior of 2205 duplex stainless steel
American Journal of Orthodontics and Dentofacial Orthopedics, 1997The corrosion of 2205 duplex stainless steel was compared with that of AISI type 316L stainless steel. The 2205 stainless steel is a potential orthodontic bracket material with low nickel content (4 to 6 wt%), whereas the 316L stainless steel (nickel content: 10 to 14 wt%) is a currently used bracket material.
J A, Platt +6 more
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Effects of Nitrides Precipitation in Duplex Stainless Steel
CORROSION 2018, 2018Abstract Duplex Stainless Steels (DSS) are characterized by a dual-phase ferritic-austenitic microstructure and exhibit high corrosion resistance and excellent mechanical properties. However, formation of different types of intermetallic phases and precipitated compounds may occur during fabrication processes such as welding, hot working
De Marco, M. +5 more
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Sintered Duplex Stainless Steels Corrosion Properties
Materials Science Forum, 2007This work presents mechanical properties and corrosion resistance of duplex stainless steels obtained through powder metallurgy starting from austenitic X2CrNiMo17-12-2 (AISI 316L), martensitic X6Cr13 (AISI 410L) powders by controlled addition of alloying elements in the proper quantity to obtain the chemical composition of the structure similar to ...
DOBRZANSKI L. A +3 more
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Materials Science and Technology, 1992
AbstractThis paper presents an overview of duplex stainless steels (DSS) with particular emphasis on super DSS, i.e. steels containing sufficient amounts of chromium, molybdenum, and nitrogen to produce a pitting resistance equivalent greater than 40. Duplex stainless steels have an attractive combination of mechanical and corrosion properties and are ...
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AbstractThis paper presents an overview of duplex stainless steels (DSS) with particular emphasis on super DSS, i.e. steels containing sufficient amounts of chromium, molybdenum, and nitrogen to produce a pitting resistance equivalent greater than 40. Duplex stainless steels have an attractive combination of mechanical and corrosion properties and are ...
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Properties of vacuum sintered duplex stainless steels
Journal of Materials Processing Technology, 2005This work presents the possibility of obtaining duplex stainless steels through powder metallurgy technology starting from austenitic X2CrNiMo17-12-2, martensitic X6Cr13 powders by controlled addition of alloying elements, such as Cr, Ni, Mo, Cu in the right quantity to obtain the chemical composition of the structure similar to biphasic one.
ACTIS GRANDE, MARCO +4 more
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Magnetostriction of duplex stainless steels
Materials Science and Technology, 1989AbstractTo identify suitable non-destructive examination techniques, the saturation magnetostriction of a number of ferritic–austenitic (duplex) stainless steel samples from various manufacturers has been measured using a dilatometric technique. The values were found to lie in two distinct ranges, which suggested that two types of material structure ...
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