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Chlorine induced high temperature corrosion resistance of Cr3C2-based HVOF and HVAF thermally sprayed coatings

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Chlorine induced high temperature corrosion resistance of Cr3C2-based HVOF and HVAF thermally sprayed coatings. / Fantozzi, Davide; Matikainen, Ville ; Uusitalo, Mikko; Koivuluoto, Heli ; Vuoristo, Petri .

In: Corrosion Science, Vol. 160, 108166, 2019.

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Fantozzi, Davide ; Matikainen, Ville ; Uusitalo, Mikko ; Koivuluoto, Heli ; Vuoristo, Petri . / Chlorine induced high temperature corrosion resistance of Cr3C2-based HVOF and HVAF thermally sprayed coatings. In: Corrosion Science. 2019 ; Vol. 160.

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@article{1effbc5c9a554ed3a07c0b48bbca10ab,
title = "Chlorine induced high temperature corrosion resistance of Cr3C2-based HVOF and HVAF thermally sprayed coatings",
abstract = "A novel method that combines thermal analysis and traditional furnace corrosion tests was used to study the corrosion behaviour of thermally sprayed Cr3C2-based hardmetal coatings at 450 °C and 550 °C under a KCl deposit. This method enabled the identification of the onset temperature of chlorine-induced oxidation to be within 450–500 °C. Two corrosion mechanisms were suggested for these temperatures. At 450 °C, the corrosion rate was slow and mainly controlled by the formation of K2CrO4. Exposure at 550 °C caused the formation of fine interconnected secondary-carbide precipitates in the metal matrix. Their fast corrosion was identified as the major cause of degradation.",
author = "Davide Fantozzi and Ville Matikainen and Mikko Uusitalo and Heli Koivuluoto and Petri Vuoristo",
year = "2019",
doi = "10.1016/j.corsci.2019.108166",
language = "English",
volume = "160",
journal = "Corrosion Science",
issn = "0010-938X",
publisher = "Elsevier",

}

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TY - JOUR

T1 - Chlorine induced high temperature corrosion resistance of Cr3C2-based HVOF and HVAF thermally sprayed coatings

AU - Fantozzi, Davide

AU - Matikainen, Ville

AU - Uusitalo, Mikko

AU - Koivuluoto, Heli

AU - Vuoristo, Petri

PY - 2019

Y1 - 2019

N2 - A novel method that combines thermal analysis and traditional furnace corrosion tests was used to study the corrosion behaviour of thermally sprayed Cr3C2-based hardmetal coatings at 450 °C and 550 °C under a KCl deposit. This method enabled the identification of the onset temperature of chlorine-induced oxidation to be within 450–500 °C. Two corrosion mechanisms were suggested for these temperatures. At 450 °C, the corrosion rate was slow and mainly controlled by the formation of K2CrO4. Exposure at 550 °C caused the formation of fine interconnected secondary-carbide precipitates in the metal matrix. Their fast corrosion was identified as the major cause of degradation.

AB - A novel method that combines thermal analysis and traditional furnace corrosion tests was used to study the corrosion behaviour of thermally sprayed Cr3C2-based hardmetal coatings at 450 °C and 550 °C under a KCl deposit. This method enabled the identification of the onset temperature of chlorine-induced oxidation to be within 450–500 °C. Two corrosion mechanisms were suggested for these temperatures. At 450 °C, the corrosion rate was slow and mainly controlled by the formation of K2CrO4. Exposure at 550 °C caused the formation of fine interconnected secondary-carbide precipitates in the metal matrix. Their fast corrosion was identified as the major cause of degradation.

U2 - 10.1016/j.corsci.2019.108166

DO - 10.1016/j.corsci.2019.108166

M3 - Article

VL - 160

JO - Corrosion Science

JF - Corrosion Science

SN - 0010-938X

M1 - 108166

ER -