TY - JOUR
T1 - Interface stability between bare, Mn-Co spinel coated AISI 441 stainless steel and a diopside-based glass-ceramic sealant
AU - Sabato, Antonio G.
AU - Chrysanthou, Andreas
AU - Salvo, Milena
AU - Cempura, G.
AU - Smeacetto, Federico
N1 - This document is the Accepted Manuscript version of the following article: A. G. Sabato, A. Crysanthou, M. Salvo, G. Tempura, and F. Smeacetto, ‘Interface stability between bare, Mn-Co spinel coated AISA 441 stainless steel and a diopside-based glass-ceramic sealant’, International Journal of Hydrogen Energy, Vol. 43 (13): 1824-1834, January 2018, made available under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License CC BY NC-ND 4.0
( http://creativecommons.org/licenses/by-nc-nd/4.0/ ), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way. Under embargo until 16 December 2018.
The final, definitive version of this paper is available online at doi: https://doi.org/10.1016/j.ijhydene.2017.11.150.
PY - 2018/1/18
Y1 - 2018/1/18
N2 - This study is focused on a diopside-based glass-ceramic sealant for solid oxide fuel cells and its compatibility with AISI 441 stainless steel interconnect. The morphological and chemical stability with both bare and Mn–Co spinel coated AISI 441 steel, after 3500 h exposure at 800 °C in air, is reviewed and discussed. Post-mortem samples are morphologically and chemically analysed by SEM-EDS. Reaction products at the glass-ceramic/bare AISI 441 interface, resulting from the reaction of Mg from the sealant and Cr and Mn from the steel, are detected, without affecting negatively the integrity of the joints. In the case of Mn–Co spinel coated AISI 441, interactions between the glass-ceramic and the outer part of the Mn–Co spinel coating, along with crystallization of oxides rich in Si and Mg, are detected, but still no corrosion phenomena are present. The glass-ceramic is found to be compatible with both bare and coated AISI 441.
AB - This study is focused on a diopside-based glass-ceramic sealant for solid oxide fuel cells and its compatibility with AISI 441 stainless steel interconnect. The morphological and chemical stability with both bare and Mn–Co spinel coated AISI 441 steel, after 3500 h exposure at 800 °C in air, is reviewed and discussed. Post-mortem samples are morphologically and chemically analysed by SEM-EDS. Reaction products at the glass-ceramic/bare AISI 441 interface, resulting from the reaction of Mg from the sealant and Cr and Mn from the steel, are detected, without affecting negatively the integrity of the joints. In the case of Mn–Co spinel coated AISI 441, interactions between the glass-ceramic and the outer part of the Mn–Co spinel coating, along with crystallization of oxides rich in Si and Mg, are detected, but still no corrosion phenomena are present. The glass-ceramic is found to be compatible with both bare and coated AISI 441.
KW - Compatibility
KW - Electron microscopy
KW - Glass-ceramic
KW - Sealant
KW - Solid oxide cell
KW - Spinel coating
UR - http://www.scopus.com/inward/record.url?scp=85039428850&partnerID=8YFLogxK
U2 - 10.1016/j.ijhydene.2017.11.150
DO - 10.1016/j.ijhydene.2017.11.150
M3 - Article
SN - 0360-3199
VL - 43
SP - 1824
EP - 1834
JO - International Journal of Hydrogen Energy
JF - International Journal of Hydrogen Energy
IS - 3
ER -