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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Duff, J.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2023The Effects of Water Chemistry on Zn and Co Incorporation in the Oxide of 316 SS formed in Simulated BWR water
- 2023Stress corrosion crack initiation in filler metal 82 in oxygenated high-temperature watercitations
- 2023Stress corrosion crack initiation in filler metal 82 in oxygenated high-temperature watercitations
- 2020Comparison of sub-grain scale digital image correlation calculated using commercial and open-source software packagescitations
- 2019Microstructural characterization of alloy 690Tt exposed to Pb-containing caustic solutions
- 2019Microstructural characterization of alloy 690Tt exposed to Pb-containing caustic solutions
- 2017Elucidating white-etching matter through high-strain rate tensile testingcitations
- 2016Preliminary evaluation of digital image correlation for in-situ observation of low temperature atmospheric-induced chloride stress corrosion cracking in austenitic stainless steelscitations
- 2016In situ observation of short fatigue crack propagation in oxygenated water at elevated temperature and pressurecitations
- 2016Imaging autoclave development for in-situ optical measurement of high temperature aqueous corrosion processes
- 2016In situ observation of intergranular crack nucleation in a grain boundary controlled austenitic stainless steel.citations
- 2016Grain boundary structure and intergranular stress corrosion crack initiation in high temperature water of a thermally sensitised austenitic stainless steel, observed in situcitations
- 2010Preliminary evaluation of digital image correlation for in-situ observation of low temperature atmospheric-induced chloride stress corrosion cracking in austenitic stainless steelscitations
- 2005Microstructure Engineering for improved Intergranular Stress Corrosion Cracking Resistance in Stainless Steels
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document
Microstructural characterization of alloy 690Tt exposed to Pb-containing caustic solutions
Abstract
<p>Lead-induced stress corrosion cracking (PbSCC) is one of the secondary side degradation phenomena that has occurred in the steam generator (SG) of pressurized water reactors (PWR). In order to reproduce the conditions where PbSCC develops, C-rings of Alloy 690TT were loaded to the yield stress or to 6% plastic deformation and exposed at 315°C to caustic solutions (pHRT = 13.7) containing 1000 ppm of PbO. Two different surface finishes (as-received, with a local surface deformation, and Oxide Polishing Suspension) were tested to investigate the effect of the surface deformed layer on the SCC initiation propensity. Advanced electron microscopy (SEM, FIB and ATEM) examinations of the oxidized surface revealed that the surface-deformed layer promoted the formation of a protective passive layer, which, in turn, retarded crack formation. The role of stress, surface condition and environmental interactions on PbSCC are also discussed.</p>