Fundamental data: Solubility of nickel and oxygen and diffusivity of iron and oxygen in molten LBE

J. Abella; A. Verdaguer; S. Colominas; K. Ginestar; L. Martinelli

doi:10.1016/j.jnucmat.2011.04.036

Fundamental data: Solubility of nickel and oxygen and diffusivity of iron and oxygen in molten LBE

J. Abella^*
, A. Verdaguer
, S. Colominas
, K. Ginestar
, L. Martinelli

^*Corresponding author for this work

IQS School of Engineering

Research output: Indexed journal article › Article › peer-review

23 Citations (Scopus)

Abstract

Experiments for determining nickel solubility limit and iron diffusion coefficient are presented and their results are discussed. Nickel solubility limit is determined by two methods: ex situ by solid sampling followed by ICP-AES analysis and in situ by Laser Induced Breakdown Spectroscopy and their results are compared. The iron diffusion coefficient is obtained using the technique of rotating specimen dissolution. Also a method to determine the oxygen solubility and diffusivity in LBE is developed and results at 460, 500 and 540 °C are presented. It is based on the following electrochemical cell: O₂ (reference mixture), Pt //YSZ//O₂ (LBE) which can work as an oxygen sensor or as a coulometric pump.

Original language	English
Pages (from-to)	329-337
Number of pages	9
Journal	Journal of Nuclear Materials
Volume	415
Issue number	3
DOIs	https://doi.org/10.1016/j.jnucmat.2011.04.036
Publication status	Published - 31 Aug 2011

Keywords

Lead-55.5-percent bismuth alloy
Liquid lead
Electrochemical measurements
Thermodynamics
Corrosion
Chromium
Sensors

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10.1016/j.jnucmat.2011.04.036

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abstract = "Experiments for determining nickel solubility limit and iron diffusion coefficient are presented and their results are discussed. Nickel solubility limit is determined by two methods: ex situ by solid sampling followed by ICP-AES analysis and in situ by Laser Induced Breakdown Spectroscopy and their results are compared. The iron diffusion coefficient is obtained using the technique of rotating specimen dissolution. Also a method to determine the oxygen solubility and diffusivity in LBE is developed and results at 460, 500 and 540 °C are presented. It is based on the following electrochemical cell: O2 (reference mixture), Pt //YSZ//O2 (LBE) which can work as an oxygen sensor or as a coulometric pump.",

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T2 - Solubility of nickel and oxygen and diffusivity of iron and oxygen in molten LBE

AU - Abella, J.

AU - Verdaguer, A.

AU - Colominas, S.

AU - Ginestar, K.

AU - Martinelli, L.

PY - 2011/8/31

Y1 - 2011/8/31

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AB - Experiments for determining nickel solubility limit and iron diffusion coefficient are presented and their results are discussed. Nickel solubility limit is determined by two methods: ex situ by solid sampling followed by ICP-AES analysis and in situ by Laser Induced Breakdown Spectroscopy and their results are compared. The iron diffusion coefficient is obtained using the technique of rotating specimen dissolution. Also a method to determine the oxygen solubility and diffusivity in LBE is developed and results at 460, 500 and 540 °C are presented. It is based on the following electrochemical cell: O2 (reference mixture), Pt //YSZ//O2 (LBE) which can work as an oxygen sensor or as a coulometric pump.

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KW - Liquid lead

KW - Electrochemical measurements

KW - Thermodynamics

KW - Corrosion

KW - Chromium

KW - Sensors

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Fundamental data: Solubility of nickel and oxygen and diffusivity of iron and oxygen in molten LBE

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Keywords

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