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Failure of a super duplex stainless steel reaction vessel
Engineering Failure Analysis, 2004Abstract Crevice corrosion and stress corrosion cracking (SCC) were recently discovered in a vessel used to strip vinyl chloride monomer from a water-based slurry of PVC granules. The vessel was manufactured from UNS S32750 super duplex stainless steel and the welds were produced using matching welding consumables.
Linton, V. +3 more
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Hot working characteristics of S32760 super duplex stainless steel
Journal of Mechanical Science and Technology, 2019Hot deformation behavior of S32760 super austenitic stainless steel was studied in the temperature range of 950 ∼ 1250 °C and strain rate range of 0.1∼10 s-1 employing Gleeble 3800 equipment. The flow stress was modeled using Arrhenius equation and Zener-Hollomon parameter(Z).
Jong hun Kang +3 more
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Extending the Application Range of Super-duplex Stainless Steels
CORROSION 2007, 2007Abstract Super-duplex stainless steels such as UNS S32750 have found extensive use in sea water applications as well as in equipment in the process industry, e.g. refinery heat exchangers. The newly developed hyper duplex grade UNS S32707 allows extension of the application range of austenitic-ferritic alloys into more aggressive ...
Kenneth Göransson +2 more
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Recrystallisation in High Nitrogen Alloyed Super Duplex Stainless Steel
Materials Science Forum, 1999While the recrystallisation mechanisms and texture development of cold rolled single phase materials especially those of ferritic steels, and to lesser extent, those of austenitic steels are well known and investigated [1,2], the recrystallisation in duplex and super duplex stainless steels was much less subject of research, although these steels have ...
J. Keichel +2 more
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Fracture toughness of a welded super duplex stainless steel
Materials Science and Engineering: A, 2014Abstract Fracture toughness testing was conducted on standard single-edge notched bend bar specimens of base and weld metal. The material was the SAF 2906 super duplex stainless steel. The aim was to evaluate the susceptibility for brittle failure at sub-zero temperatures for the base and weld metal.
Johan Pilhagen +2 more
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Surface and Coatings Technology, 2014
Abstract The evolution of microstructure and texture across the fusion boundaries of a cladding produced by gas tungsten arc welding process was examined by optical microscopy, X-ray diffraction, electron backscatter diffraction, and energy-dispersive X-ray spectroscopy.
Morteza Shamanian +3 more
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Abstract The evolution of microstructure and texture across the fusion boundaries of a cladding produced by gas tungsten arc welding process was examined by optical microscopy, X-ray diffraction, electron backscatter diffraction, and energy-dispersive X-ray spectroscopy.
Morteza Shamanian +3 more
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National Conference on Challenges in Research & Technology in the Coming Decades (CRT 2013), 2013
The duplex stainless steel (DSS) is a two phase microstructure of about equal proportion of austenite (chromiumnickel) and ferrite (chromium). Austenite is ductile in nature and ferrite is brittle in nature, this combination provides an excellent mechanical properties (hardness, impact toughness etc) and corrosion resistance [1].
R. Naveen Kumar +4 more
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The duplex stainless steel (DSS) is a two phase microstructure of about equal proportion of austenite (chromiumnickel) and ferrite (chromium). Austenite is ductile in nature and ferrite is brittle in nature, this combination provides an excellent mechanical properties (hardness, impact toughness etc) and corrosion resistance [1].
R. Naveen Kumar +4 more
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Precipitation of secondary phases in super duplex stainless steel ZERON100 isothermally aged
Materials Science and Technology, 2011In the present paper the results of secondary phases determination and quantification in ZERON100 duplex steel, heat treated at 850–1000°C for 180–2400 s, are presented. During the isothermal heat treatments, at 850°C, the χ phase is the only phase to precipitate at α/ γ boundaries and triple points, while at 900 and 950°C, χ phase is the first phase ...
CALLIARI, IRENE, PELLIZZARI M, RAMOUS E.
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Stress corrosion cracking of duplex and super duplex stainless steels in sour environments
Corrosion Science, 1998Abstract The resistance of two commercial duplex stainless steels to sulphide stress corrosion cracking in sour environments has been assessed by means of slow straining in a variety of solutions saturated with hydrogen sulphide over the temperature range from 2 to 95°C.
A.A EL-Yazgi, D Hardie
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EXPERIMENTAL INVESTIGATION OF SUPER-DUPLEX STAINLESS STEEL TURNING
2017The purpose of this paper was to investigate of turning process EN 1.4410 super-duplex stainless steel with uncoated carbide inserts. Dry, single-point wet and cooled by compressed cold air longitudinal turning of cylindrical bars tests are conducted.
Bajić, Dražen +2 more
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