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High temperature oxidation tests for the high velocity solution precursor flame sprayed manganese-cobalt oxide spinel protective coatings on SOFC interconnector steel

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High temperature oxidation tests for the high velocity solution precursor flame sprayed manganese-cobalt oxide spinel protective coatings on SOFC interconnector steel. / Puranen, Jouni; Laakso, Jarmo; Honkanen, Mari; Heinonen, Saara; Kylmälahti, Mikko; Lugowski, Stan; Coyle, Thomas W.; Kesler, Olivera; Vuoristo, Petri.

In: International Journal of Hydrogen Energy, Vol. 40, No. 18, 18.05.2015, p. 6216-6227.

Research output: Contribution to journalArticleScientificpeer-review

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Puranen, Jouni ; Laakso, Jarmo ; Honkanen, Mari ; Heinonen, Saara ; Kylmälahti, Mikko ; Lugowski, Stan ; Coyle, Thomas W. ; Kesler, Olivera ; Vuoristo, Petri. / High temperature oxidation tests for the high velocity solution precursor flame sprayed manganese-cobalt oxide spinel protective coatings on SOFC interconnector steel. In: International Journal of Hydrogen Energy. 2015 ; Vol. 40, No. 18. pp. 6216-6227.

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@article{85ead9c5c7ea473d896b5044b02107e0,
title = "High temperature oxidation tests for the high velocity solution precursor flame sprayed manganese-cobalt oxide spinel protective coatings on SOFC interconnector steel",
abstract = "High velocity solution precursor flame spray process was used to deposit MnCo1.9Fe0.1O4 and Mn1.5Co1.5O4 coatings on Crofer 22 APU ferritic stainless steel samples. The solution precursors were manufactured by diluting metal nitrates into deionized water. The as-sprayed coatings were oxidized at 850 degrees C for 500 h to evaluate Cr-barrier and electrical properties.The post-mortem studies were performed with various qualitative and quantitative elemental analysis methods and a four-point measurement was used for the area specific resistance studies. The as-sprayed coatings were formed of single crystallite nanoparticles (10-20 nm) and polycrystalline sub-micron particles (100-500 nm). The small particle and crystallite size showed strong sintering behavior during the oxidation cycle. Cr-migration was fully prevented thought the oxidized coatings. The surface topography and grain growth dominated the electrical properties during the test cycle. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.",
keywords = "High velocity solution precursor flame spray, SOFC interconnect, Protective coating, FUEL-CELLS, ELECTRICAL-CONDUCTIVITY, SOLID-SOLUTION, MN",
author = "Jouni Puranen and Jarmo Laakso and Mari Honkanen and Saara Heinonen and Mikko Kylm{\"a}lahti and Stan Lugowski and Coyle, {Thomas W.} and Olivera Kesler and Petri Vuoristo",
year = "2015",
month = "5",
day = "18",
doi = "10.1016/j.ijhydene.2015.02.129",
language = "English",
volume = "40",
pages = "6216--6227",
journal = "International Journal of Hydrogen Energy",
issn = "0360-3199",
publisher = "Elsevier",
number = "18",

}

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TY - JOUR

T1 - High temperature oxidation tests for the high velocity solution precursor flame sprayed manganese-cobalt oxide spinel protective coatings on SOFC interconnector steel

AU - Puranen, Jouni

AU - Laakso, Jarmo

AU - Honkanen, Mari

AU - Heinonen, Saara

AU - Kylmälahti, Mikko

AU - Lugowski, Stan

AU - Coyle, Thomas W.

AU - Kesler, Olivera

AU - Vuoristo, Petri

PY - 2015/5/18

Y1 - 2015/5/18

N2 - High velocity solution precursor flame spray process was used to deposit MnCo1.9Fe0.1O4 and Mn1.5Co1.5O4 coatings on Crofer 22 APU ferritic stainless steel samples. The solution precursors were manufactured by diluting metal nitrates into deionized water. The as-sprayed coatings were oxidized at 850 degrees C for 500 h to evaluate Cr-barrier and electrical properties.The post-mortem studies were performed with various qualitative and quantitative elemental analysis methods and a four-point measurement was used for the area specific resistance studies. The as-sprayed coatings were formed of single crystallite nanoparticles (10-20 nm) and polycrystalline sub-micron particles (100-500 nm). The small particle and crystallite size showed strong sintering behavior during the oxidation cycle. Cr-migration was fully prevented thought the oxidized coatings. The surface topography and grain growth dominated the electrical properties during the test cycle. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

AB - High velocity solution precursor flame spray process was used to deposit MnCo1.9Fe0.1O4 and Mn1.5Co1.5O4 coatings on Crofer 22 APU ferritic stainless steel samples. The solution precursors were manufactured by diluting metal nitrates into deionized water. The as-sprayed coatings were oxidized at 850 degrees C for 500 h to evaluate Cr-barrier and electrical properties.The post-mortem studies were performed with various qualitative and quantitative elemental analysis methods and a four-point measurement was used for the area specific resistance studies. The as-sprayed coatings were formed of single crystallite nanoparticles (10-20 nm) and polycrystalline sub-micron particles (100-500 nm). The small particle and crystallite size showed strong sintering behavior during the oxidation cycle. Cr-migration was fully prevented thought the oxidized coatings. The surface topography and grain growth dominated the electrical properties during the test cycle. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

KW - High velocity solution precursor flame spray

KW - SOFC interconnect

KW - Protective coating

KW - FUEL-CELLS

KW - ELECTRICAL-CONDUCTIVITY

KW - SOLID-SOLUTION

KW - MN

U2 - 10.1016/j.ijhydene.2015.02.129

DO - 10.1016/j.ijhydene.2015.02.129

M3 - Article

VL - 40

SP - 6216

EP - 6227

JO - International Journal of Hydrogen Energy

JF - International Journal of Hydrogen Energy

SN - 0360-3199

IS - 18

ER -