The effect of grain boundary structure on the intergranular degradation behavior of solution annealed alloy 690 in high temperature, hydrogenated water
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DOI: 10.1016/j.actamat.2019.10.041
Abstract: Abstract The environmental degradation of four different types of grain boundaries were investigated on alloy 690 following slow strain rate tensile tests in 360°C hydrogenated water. Random high angle boundaries (RHABs) support fast Cr diffusion… read more here.
Keywords: boundary structure; grain boundary; alloy 690; hydrogenated water ... See more keywords
The oxidation of alloy 690 in simulated pressurized water reactor primary water
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DOI: 10.1016/j.corsci.2017.07.004
Abstract: Abstract The oxide film formed on alloy 690 in simulated pressurized water reactor primary water is decorated with NiFe 2 O 4 particles which remain epitaxial with matrix. The penetrative inner oxides on both surface… read more here.
Keywords: water reactor; simulated pressurized; water; alloy 690 ... See more keywords
Effect of intergranular carbides on the cracking behavior of cold worked alloy 690 in subcritical and supercritical water
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DOI: 10.1016/j.corsci.2019.108313
Abstract: Abstract The effect of intergranular (IG) carbides on the cracking behavior of cold worked Alloy 690 was studied in both subcritical and supercritical water (SCW) environments. The crack growth rate (CGR) was lower when IG… read more here.
Keywords: water; alloy 690; cold worked; effect ... See more keywords
Nodular corrosion inside the crevice of Alloy 690 in deaerated high-temperature chloride solution
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DOI: 10.1016/j.corsci.2021.109442
Abstract: Abstract Crevice corrosion behavior of Alloy 690 in 290 °C deaerated chloride solution was investigated using a high-temperature crevice corrosion exposure device. The results show that the oxide film enriched in Cr formed inside the crevice… read more here.
Keywords: chloride solution; nodular corrosion; alloy 690; corrosion ... See more keywords
Zinc addition and its effect on the corrosion behavior of a 30% cold forged Alloy 690 in simulated primary coolant of pressurized water reactors
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2019.03.362
Abstract: Abstract The effectiveness of zinc on the electrochemical behavior and oxide film formation of a 30% cold forged Alloy 690 exposed to high-temperature borated and lithiated water was investigated. The morphology and chemical composition of… read more here.
Keywords: water; forged alloy; alloy 690; corrosion ... See more keywords
Precipitation of dendritic M23C6 carbides in alloy 690 during continuous cooling
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DOI: 10.1016/j.jallcom.2020.156694
Abstract: Abstract M23C6 carbides with a distinct dendritic morphology are discovered for the first time in continuously cooled Alloy 690. Branches stretch out from the interfaces of initial carbides, and as much as the fifth order… read more here.
Keywords: alloy 690; m23c6 carbides; dendritic morphology; precipitation dendritic ... See more keywords
Effect of cold work on the stress corrosion cracking behavior of Alloy 690 in supercritical water environment
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2017.10.003
Abstract: Abstract The stress corrosion cracking (SCC) behavior of Alloy 690 with 0, 20% and 30% cold work (CW) was studied in supercritical water (SCW) environment with an emphasis on CW and creep on the CGRs… read more here.
Keywords: corrosion cracking; alloy 690; stress corrosion; behavior alloy ... See more keywords
The electrochemical properties of alloy 690 in simulated pressurized water reactor primary water: Effect of temperature
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2019.03.016
Abstract: Abstract By anodic potentiostatic polarization and electrochemical impedance spectroscopy (EIS) measurements, the effect of temperature (200 °C, 250 °C, and 300 °C) on the electrochemical behavior of Alloy 690 was investigated in oxygenated borate buffer solution containing H… read more here.
Keywords: effect temperature; passive film; water; temperature ... See more keywords
Effects of sliding amplitude and normal load on the fretting wear behavior of alloy 690 tube exposed to high temperature water
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DOI: 10.1016/j.triboint.2017.07.001
Abstract: Abstract The effects of sliding amplitude and normal load on the fretting wear behavior of alloy 690 tube exposed to an environment simulating the secondary side water chemistry of nuclear power plant are studied and… read more here.
Keywords: sliding amplitude; alloy 690; fretting wear; 690 tube ... See more keywords
Optimization of the Double Loop Electrochemical Potentiokinetic Reactivation Method for Detecting Sensitization of Nickel Alloy 690
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DOI: 10.5006/2562
Abstract: Nickel alloy 690 (UNS N06690) is one of the current choices for nuclear power plant steam generator tubing. The severity of certain stress corrosion cracking submodes in Ni-Cr-Fe alloys, such as Al... read more here.
Keywords: loop electrochemical; double loop; alloy 690; nickel alloy ... See more keywords