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

Research output: Indexed journal article Articlepeer-review

21 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 languageEnglish
Pages (from-to)329-337
Number of pages9
JournalJournal of Nuclear Materials
Volume415
Issue number3
DOIs
Publication statusPublished - 31 Aug 2011

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