The electrochemistry in 316SS crevices exposed to PWR-relevant conditions

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The electrochemistry in 316SS crevices exposed to PWR-relevant conditions. / Vankeerberghen, Marc; Weyns, Gert; Gavrilov, Serguei; Henshaw, Jim; Deconinck, Johan.

In: Journal of Nuclear Materials, Vol. 385, 15.04.2009, p. 517-526.

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Vankeerberghen, M, Weyns, G, Gavrilov, S, Henshaw, J & Deconinck, J 2009, 'The electrochemistry in 316SS crevices exposed to PWR-relevant conditions', Journal of Nuclear Materials, vol. 385, pp. 517-526. https://doi.org/10.1016/j.jnucmat.2008.12.175

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Vankeerberghen, Marc ; Weyns, Gert ; Gavrilov, Serguei ; Henshaw, Jim ; Deconinck, Johan. / The electrochemistry in 316SS crevices exposed to PWR-relevant conditions. In: Journal of Nuclear Materials. 2009 ; Vol. 385. pp. 517-526.

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@article{2538b743b17e4ac5b990c1ae90574026,
title = "The electrochemistry in 316SS crevices exposed to PWR-relevant conditions",
abstract = "The chemical and electrochemical conditions within a crevice of Type 316 stainless steel in boric acid–lithium hydroxide solutions under PWR-relevant conditions were modelled with a computational electrochemistry code. The influence of various variables: dissolved hydrogen, boric acid, lithium hydroxide concentration, crevice length, and radiation dose rate was studied. It was found with the model that 25 ccH2/kg (STP) was sufficient to remain below an electrode potential of -230 mVshe, commonly accepted sufficient to prevent stress corrosion cracking under BWR conditions. In a PWR plant various operational B–Li cycles are possible but it was found that the choice of the cycle did not significantly influence the model results. It was also found that a hydrogen level of 50 ccH2/kg (STP) would be needed to avoid substantial lowering of the pH inside a crevice.",
keywords = "modelling electrochemistry PWR",
author = "Marc Vankeerberghen and Gert Weyns and Serguei Gavrilov and Jim Henshaw and Johan Deconinck",
note = "Score = 10",
year = "2009",
month = apr,
day = "15",
doi = "10.1016/j.jnucmat.2008.12.175",
language = "English",
volume = "385",
pages = "517--526",
journal = "Journal of Nuclear Materials",
issn = "0022-3115",
publisher = "Elsevier",

}

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TY - JOUR

T1 - The electrochemistry in 316SS crevices exposed to PWR-relevant conditions

AU - Vankeerberghen, Marc

AU - Weyns, Gert

AU - Gavrilov, Serguei

AU - Henshaw, Jim

AU - Deconinck, Johan

N1 - Score = 10

PY - 2009/4/15

Y1 - 2009/4/15

N2 - The chemical and electrochemical conditions within a crevice of Type 316 stainless steel in boric acid–lithium hydroxide solutions under PWR-relevant conditions were modelled with a computational electrochemistry code. The influence of various variables: dissolved hydrogen, boric acid, lithium hydroxide concentration, crevice length, and radiation dose rate was studied. It was found with the model that 25 ccH2/kg (STP) was sufficient to remain below an electrode potential of -230 mVshe, commonly accepted sufficient to prevent stress corrosion cracking under BWR conditions. In a PWR plant various operational B–Li cycles are possible but it was found that the choice of the cycle did not significantly influence the model results. It was also found that a hydrogen level of 50 ccH2/kg (STP) would be needed to avoid substantial lowering of the pH inside a crevice.

AB - The chemical and electrochemical conditions within a crevice of Type 316 stainless steel in boric acid–lithium hydroxide solutions under PWR-relevant conditions were modelled with a computational electrochemistry code. The influence of various variables: dissolved hydrogen, boric acid, lithium hydroxide concentration, crevice length, and radiation dose rate was studied. It was found with the model that 25 ccH2/kg (STP) was sufficient to remain below an electrode potential of -230 mVshe, commonly accepted sufficient to prevent stress corrosion cracking under BWR conditions. In a PWR plant various operational B–Li cycles are possible but it was found that the choice of the cycle did not significantly influence the model results. It was also found that a hydrogen level of 50 ccH2/kg (STP) would be needed to avoid substantial lowering of the pH inside a crevice.

KW - modelling electrochemistry PWR

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_96023

UR - http://knowledgecentre.sckcen.be/so2/bibref/5688

U2 - 10.1016/j.jnucmat.2008.12.175

DO - 10.1016/j.jnucmat.2008.12.175

M3 - Article

VL - 385

SP - 517

EP - 526

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

SN - 0022-3115

ER -

ID: 289187