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Corrosion behaviour of AGR SIMFUELS

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Corrosion behaviour of AGR SIMFUELS. / Rauff-Nisthar, Nadya; Boxall, Colin; Hambley, David et al.
In: ECS Transactions, Vol. 66, No. 17, 11.08.2015, p. 85-94.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Rauff-Nisthar, N, Boxall, C, Hambley, D, Hiezl, Z, Padovani, C & Wilbraham, R 2015, 'Corrosion behaviour of AGR SIMFUELS', ECS Transactions, vol. 66, no. 17, pp. 85-94. https://doi.org/10.1149/06617.0085ecst

APA

Rauff-Nisthar, N., Boxall, C., Hambley, D., Hiezl, Z., Padovani, C., & Wilbraham, R. (2015). Corrosion behaviour of AGR SIMFUELS. ECS Transactions, 66(17), 85-94. https://doi.org/10.1149/06617.0085ecst

Vancouver

Rauff-Nisthar N, Boxall C, Hambley D, Hiezl Z, Padovani C, Wilbraham R. Corrosion behaviour of AGR SIMFUELS. ECS Transactions. 2015 Aug 11;66(17):85-94. doi: 10.1149/06617.0085ecst

Author

Rauff-Nisthar, Nadya ; Boxall, Colin ; Hambley, David et al. / Corrosion behaviour of AGR SIMFUELS. In: ECS Transactions. 2015 ; Vol. 66, No. 17. pp. 85-94.

Bibtex

@article{c79b1c04875845098ddff25180e5b8cc,
title = "Corrosion behaviour of AGR SIMFUELS",
abstract = "Pure UO2 pellets and, for the first time, AGR SIMFUEL pellets simulating 25 (pellet interior) and 43 GWd/tU burn-up (rim structure) have been fabricated. Using combined electrochemical and Raman spectroscopic studies, we have investigated the effect of the AGR SIMFUEL dopants on the structure of the UO2 crystal matrix and studied the effect of H2O2 on the SIMFUEL surface as a simulant for the effect of α radiolysis of water within intruding groundwater in the near field. Preliminary results of electrochemical studies of AGR SIMFUEL samples held in direct contact with the AGR fuel cladding material, 20/25/Nb stainless steel, in modified simplified groundwater (10 mmol dm-3 NaCl, 2 mmol dm-3 NaHCO3, pH 6.8) indicate that the open circuit potential of the coupled system is (i) negative of that adopted by the isolated SIMFUEL and (ii) positive of that adopted by the isolated cladding in electrolytes of the same composition. This implies that the SIMFUEL is protected against corrosion at the expense of the steel cladding, an observation that is currently the subject of further work in our laboratories.",
author = "Nadya Rauff-Nisthar and Colin Boxall and David Hambley and Zoltan Hiezl and Cristiano Padovani and Richard Wilbraham",
year = "2015",
month = aug,
day = "11",
doi = "10.1149/06617.0085ecst",
language = "English",
volume = "66",
pages = "85--94",
journal = "ECS Transactions",
issn = "1938-6737",
publisher = "Electrochemical Society, Inc.",
number = "17",
note = "Symposium on Corrosion General Session - 227th ECS Meeting ; Conference date: 24-05-2015 Through 28-05-2015",

}

RIS

TY - JOUR

T1 - Corrosion behaviour of AGR SIMFUELS

AU - Rauff-Nisthar, Nadya

AU - Boxall, Colin

AU - Hambley, David

AU - Hiezl, Zoltan

AU - Padovani, Cristiano

AU - Wilbraham, Richard

PY - 2015/8/11

Y1 - 2015/8/11

N2 - Pure UO2 pellets and, for the first time, AGR SIMFUEL pellets simulating 25 (pellet interior) and 43 GWd/tU burn-up (rim structure) have been fabricated. Using combined electrochemical and Raman spectroscopic studies, we have investigated the effect of the AGR SIMFUEL dopants on the structure of the UO2 crystal matrix and studied the effect of H2O2 on the SIMFUEL surface as a simulant for the effect of α radiolysis of water within intruding groundwater in the near field. Preliminary results of electrochemical studies of AGR SIMFUEL samples held in direct contact with the AGR fuel cladding material, 20/25/Nb stainless steel, in modified simplified groundwater (10 mmol dm-3 NaCl, 2 mmol dm-3 NaHCO3, pH 6.8) indicate that the open circuit potential of the coupled system is (i) negative of that adopted by the isolated SIMFUEL and (ii) positive of that adopted by the isolated cladding in electrolytes of the same composition. This implies that the SIMFUEL is protected against corrosion at the expense of the steel cladding, an observation that is currently the subject of further work in our laboratories.

AB - Pure UO2 pellets and, for the first time, AGR SIMFUEL pellets simulating 25 (pellet interior) and 43 GWd/tU burn-up (rim structure) have been fabricated. Using combined electrochemical and Raman spectroscopic studies, we have investigated the effect of the AGR SIMFUEL dopants on the structure of the UO2 crystal matrix and studied the effect of H2O2 on the SIMFUEL surface as a simulant for the effect of α radiolysis of water within intruding groundwater in the near field. Preliminary results of electrochemical studies of AGR SIMFUEL samples held in direct contact with the AGR fuel cladding material, 20/25/Nb stainless steel, in modified simplified groundwater (10 mmol dm-3 NaCl, 2 mmol dm-3 NaHCO3, pH 6.8) indicate that the open circuit potential of the coupled system is (i) negative of that adopted by the isolated SIMFUEL and (ii) positive of that adopted by the isolated cladding in electrolytes of the same composition. This implies that the SIMFUEL is protected against corrosion at the expense of the steel cladding, an observation that is currently the subject of further work in our laboratories.

U2 - 10.1149/06617.0085ecst

DO - 10.1149/06617.0085ecst

M3 - Journal article

AN - SCOPUS:84940103743

VL - 66

SP - 85

EP - 94

JO - ECS Transactions

JF - ECS Transactions

SN - 1938-6737

IS - 17

T2 - Symposium on Corrosion General Session - 227th ECS Meeting

Y2 - 24 May 2015 through 28 May 2015

ER -