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Keywords: sensitization
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Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16447
... the degree of sensitization (DoS) in austenitic stainless steels, as it is fast, nondestructive, and accurate in identifying low to medium DoS. While its use has been well-established for wrought austenitic stainless steels, the same is not true for their cast equivalents. A modified version, with more...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13421
... (µ) phase is avoided since it is typically associated with sensitization. Recent work by the present authors to create an atlas of microstructures for this alloy included experimental validation of calculated Time-Temperature-Transformation (TTT) curves as a function of variation in alloying elements...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12729
... corrosion test specimen Houston manuscript permission corrosion resistance stainless steel nace tm0177 stress corrosion alloy 825 sensitization hydrogen embrittlement Effect of Sensitization on the Corrosion Resistance of an Advanced Version of Alloy UNS N08825 Julia Botinha VDM Metals...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12886
... that these materials were heavily sensitized with embrittling phases present at the austenite grain boundaries. Improper annealing processes at the manufacturing plant likely caused the sensitization of the microstructure. Downstream of the reformers, UNS S30403 austenitic SS tube ends of the boiler feed water heat...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-10574
... A Computational Approach to Evaluate the Sensitization Propensities of UNS S32100 and UNS S34700 Stainless Steels Raghavan Ayer1, Yunjo Ro1, Ihho Park1, Jaehyeok Shim2, Jingak Nam3, Jaewoong Kim3 1 Institute for Technology Innovation, SK Innovation, 325 Exporo, Yuseong-gu, Daejeon 34124, S. Korea...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11329
... Sensitization Study of Corrosion-Resistant Nickel-Alloys Ajit Mishra Haynes International, Inc. 1020 West Park Avenue Kokomo, IN 46904 USA ABSTRACT Nickel-alloys containing optimum amounts of chromium (Cr), molybdenum (Mo) and tungsten (W) are widely used in industries because of its high...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-9037
... alloy Micrograph grain boundary texas 77084 reverse scan Houston Microstructure Publication Division dl-epr test KSCN reactivation peak Corrosion Management optical micrograph permission sensitization manuscript Optimization of the double loop potentiokinetic reactivation method (DL...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-9057
... cracking (PTA SCC) due to sensitization during long-term service at high temperatures. Although the stabilized austenitic stainless steel such as UNS S34700 (347) or UNS S32100 (321) resist sensitization up to higher temperatures, especially with post weld heat treatment (PWHT), they have less NAC...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-8899
... sensitization manuscript Assessing Stress Corrosion Cracking Risks on Stainless Steel Piping and Equipment Cathleen A. Shargay, Tina Tajalli, and Karly Moore Fluor Corporation Aliso Viejo California, USA Lionel Roberts, Jonathan Allen Irving Oil Saint John New Brunswick, Canada ABSTRACT Stress corrosion...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-8885
... A Charlottesville, VA 22903 USA ABSTRACT Sensitization of 5xxx series aluminum alloys is a significant concern for the U.S. Navy as the alloys have found use in a variety of ship structures for improved strength-to-weight ratios and enhanced corrosion resistance. Sensitization occurs when precipitates of -phase...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-9761
... ABSTRACT Al 5XXX series aluminum alloys are being used in naval military applications, and being exposed to outdoor environments. With sufficient time and temperature exposure, these alloys undergo a process in which a secondary ß phase forms at the grain boundary that sensitizes the alloy...
Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7496
... ferries and patrol boats as well as in Navy ships have shown that the 5XXX series is prone to elemental migration and phase transformations at only slightly elevated temperatures (i.e., sensitization), leading to localized intergranular corrosion and stress corrosion cracking. In order to maximize...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-6132
... as a result of crack initiation and propagation through the canister wall thickness. In this assessment, key factors affecting CISCC of the canisters are identified in terms of environments, stresses, and material sensitization. This paper proposed a methodology to estimate the time for crack initiation...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-5680
... laboratory corrosion tests to verify the corrosion resistance of the clad layer after heat treating is also reviewed here. h2s management texas 77084 corrosion resistance metals & mining heat treat cycle sensitization heat treatment explosion welding permission nickel alloy houston time...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-5467
... Abstract Double Loop-Electrochemical Potentiokinetic Reactivation (DL-EPR) is a valuable technique to test Type 304 stainless steel (SS) materials and components for the presence of grain boundary chromium depletion and assess material sensitization. This has practical relevance...
Proceedings Papers

Paper presented at the CORROSION 2014, March 9–13, 2014
Paper Number: NACE-2014-3946
... Publication Division stainless steel intergranular corrosion Pipeline Corrosion well integrity corrosion rate precipitate sensitization South Creek Drive grain boundary Correlation between streicher and epr test R. Lackner, G. Mori, Christian Doppler Laboratory of Localized Corrosion, University...
Proceedings Papers

Paper presented at the CORROSION 2013, March 17–21, 2013
Paper Number: NACE-2013-2440
... Corrosion Publication Division materials and corrosion precipitation precipitate annealed condition characterization metals & mining riser corrosion texas 77084 sensitization manuscript depletion zone permission Houston South Creek Drive intergranular corrosion un 06625 Trade name...
Proceedings Papers

Paper presented at the CORROSION 2012, March 11–15, 2012
Paper Number: NACE-2012-1431
... Houston Subsurface Corrosion Corrosion Management phosphoric acid alloy US government H2S management Thickness permission manuscript long term thermal exposure sensitization Corrosion Inhibition oilfield chemistry riser corrosion nitric acid attack Publication Division sensitization alloy...
Proceedings Papers

Paper presented at the CORROSION 2012, March 11–15, 2012
Paper Number: NACE-2012-1527
... and superduplex S32750 grades, where the primary cause for concern is the precipitation of intermetallic phases. However, lean duplex grades such as UNS S32101 or UNS S32304 present more of a challenge because these steels are much less sensitive to intermetallic phase precipitation than the higher alloyed duplex...
Proceedings Papers

Paper presented at the CORROSION 2012, March 11–15, 2012
Paper Number: NACE-2012-1501
... that it was a challenge to initiate SCC on statically loaded samples tested in high temperature deaerated/hydrogenated water. However, only a small minority of the tested samples, which were thermally sensitized underwent SCC. The SCC presented here shows the findings from the investigation of these samples and indicates...

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