Dielectric properties of HVOF sprayed ceramic coatings

M. Niittymäki, Tomi Suhonen, Ulla Kanerva, Jarkko Metsäjoki, K. Lahti

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

4 Citations (Scopus)

Abstract

Thermally sprayed ceramic coatings can be used as electrical insulators for example in high temperature applications (e.g. fuel cells) or in other demanding conditions. In electrical insulation applications the mostly used coating materials are aluminum oxide, magnesium oxide and magnesium aluminate. In general, only few reports of dielectric properties of thermally sprayed ceramic coatings can be found in literature and further analysis is thus needed. In addition, the measurement methods and conditions in previous research are often not fully documented, complicating the evaluation and comparison of the properties of different coatings. The aim of this paper was to characterize dielectric properties of thermally sprayed ceramic spinel coating sprayed with high-velocity oxygen fuel (HVOF) technique. The studied dielectric properties are DC resistivity, DC dielectric breakdown strength, as well as permittivity and dielectric losses at different frequencies. All measurements were made at temperature of 20 °C and at relative humidity of 20 %. Dielectric properties and the composition of coating material are presented and analyzed.
Original languageEnglish
Title of host publicationProceedings
Subtitle of host publicationIEEE International Conference on Solid Dielectrics, ICSD 2013
PublisherInstitute of Electrical and Electronic Engineers IEEE
Pages389-392
ISBN (Electronic)978-1-4673-4461-6
ISBN (Print)978-1-4799-0807-3
DOIs
Publication statusPublished - 2013
MoE publication typeNot Eligible
Event11th IEEE International Conference on Solid Dielectrics, ICSD 2013 - Bologna, Italy
Duration: 30 Jun 20134 Jul 2013

Conference

Conference11th IEEE International Conference on Solid Dielectrics, ICSD 2013
Abbreviated titleICSD 2013
CountryItaly
CityBologna
Period30/06/134/07/13

Fingerprint

ceramic coatings
sprayed coatings
dielectric properties
oxygen
coatings
direct current
electrical insulation
magnesium oxides
dielectric loss
fuel cells
spinel
humidity
magnesium
aluminum oxides
breakdown
insulators
ceramics
permittivity
electrical resistivity
evaluation

Keywords

  • thermal spraying
  • HVOF
  • spinel
  • coating
  • resistivity
  • dielectric spectroscopy
  • dielectric breakdown strenght
  • ProperTune

Cite this

Niittymäki, M., Suhonen, T., Kanerva, U., Metsäjoki, J., & Lahti, K. (2013). Dielectric properties of HVOF sprayed ceramic coatings. In Proceedings: IEEE International Conference on Solid Dielectrics, ICSD 2013 (pp. 389-392). Institute of Electrical and Electronic Engineers IEEE. https://doi.org/10.1109/ICSD.2013.6619769
Niittymäki, M. ; Suhonen, Tomi ; Kanerva, Ulla ; Metsäjoki, Jarkko ; Lahti, K. / Dielectric properties of HVOF sprayed ceramic coatings. Proceedings: IEEE International Conference on Solid Dielectrics, ICSD 2013. Institute of Electrical and Electronic Engineers IEEE, 2013. pp. 389-392
@inproceedings{e7b57e7d3bd6445a820303d7c1d36fc3,
title = "Dielectric properties of HVOF sprayed ceramic coatings",
abstract = "Thermally sprayed ceramic coatings can be used as electrical insulators for example in high temperature applications (e.g. fuel cells) or in other demanding conditions. In electrical insulation applications the mostly used coating materials are aluminum oxide, magnesium oxide and magnesium aluminate. In general, only few reports of dielectric properties of thermally sprayed ceramic coatings can be found in literature and further analysis is thus needed. In addition, the measurement methods and conditions in previous research are often not fully documented, complicating the evaluation and comparison of the properties of different coatings. The aim of this paper was to characterize dielectric properties of thermally sprayed ceramic spinel coating sprayed with high-velocity oxygen fuel (HVOF) technique. The studied dielectric properties are DC resistivity, DC dielectric breakdown strength, as well as permittivity and dielectric losses at different frequencies. All measurements were made at temperature of 20 °C and at relative humidity of 20 {\%}. Dielectric properties and the composition of coating material are presented and analyzed.",
keywords = "thermal spraying, HVOF, spinel, coating, resistivity, dielectric spectroscopy, dielectric breakdown strenght, ProperTune",
author = "M. Niittym{\"a}ki and Tomi Suhonen and Ulla Kanerva and Jarkko Mets{\"a}joki and K. Lahti",
note = "Project code: 75071",
year = "2013",
doi = "10.1109/ICSD.2013.6619769",
language = "English",
isbn = "978-1-4799-0807-3",
pages = "389--392",
booktitle = "Proceedings",
publisher = "Institute of Electrical and Electronic Engineers IEEE",
address = "United States",

}

Niittymäki, M, Suhonen, T, Kanerva, U, Metsäjoki, J & Lahti, K 2013, Dielectric properties of HVOF sprayed ceramic coatings. in Proceedings: IEEE International Conference on Solid Dielectrics, ICSD 2013. Institute of Electrical and Electronic Engineers IEEE, pp. 389-392, 11th IEEE International Conference on Solid Dielectrics, ICSD 2013, Bologna, Italy, 30/06/13. https://doi.org/10.1109/ICSD.2013.6619769

Dielectric properties of HVOF sprayed ceramic coatings. / Niittymäki, M.; Suhonen, Tomi; Kanerva, Ulla; Metsäjoki, Jarkko; Lahti, K.

Proceedings: IEEE International Conference on Solid Dielectrics, ICSD 2013. Institute of Electrical and Electronic Engineers IEEE, 2013. p. 389-392.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

TY - GEN

T1 - Dielectric properties of HVOF sprayed ceramic coatings

AU - Niittymäki, M.

AU - Suhonen, Tomi

AU - Kanerva, Ulla

AU - Metsäjoki, Jarkko

AU - Lahti, K.

N1 - Project code: 75071

PY - 2013

Y1 - 2013

N2 - Thermally sprayed ceramic coatings can be used as electrical insulators for example in high temperature applications (e.g. fuel cells) or in other demanding conditions. In electrical insulation applications the mostly used coating materials are aluminum oxide, magnesium oxide and magnesium aluminate. In general, only few reports of dielectric properties of thermally sprayed ceramic coatings can be found in literature and further analysis is thus needed. In addition, the measurement methods and conditions in previous research are often not fully documented, complicating the evaluation and comparison of the properties of different coatings. The aim of this paper was to characterize dielectric properties of thermally sprayed ceramic spinel coating sprayed with high-velocity oxygen fuel (HVOF) technique. The studied dielectric properties are DC resistivity, DC dielectric breakdown strength, as well as permittivity and dielectric losses at different frequencies. All measurements were made at temperature of 20 °C and at relative humidity of 20 %. Dielectric properties and the composition of coating material are presented and analyzed.

AB - Thermally sprayed ceramic coatings can be used as electrical insulators for example in high temperature applications (e.g. fuel cells) or in other demanding conditions. In electrical insulation applications the mostly used coating materials are aluminum oxide, magnesium oxide and magnesium aluminate. In general, only few reports of dielectric properties of thermally sprayed ceramic coatings can be found in literature and further analysis is thus needed. In addition, the measurement methods and conditions in previous research are often not fully documented, complicating the evaluation and comparison of the properties of different coatings. The aim of this paper was to characterize dielectric properties of thermally sprayed ceramic spinel coating sprayed with high-velocity oxygen fuel (HVOF) technique. The studied dielectric properties are DC resistivity, DC dielectric breakdown strength, as well as permittivity and dielectric losses at different frequencies. All measurements were made at temperature of 20 °C and at relative humidity of 20 %. Dielectric properties and the composition of coating material are presented and analyzed.

KW - thermal spraying

KW - HVOF

KW - spinel

KW - coating

KW - resistivity

KW - dielectric spectroscopy

KW - dielectric breakdown strenght

KW - ProperTune

U2 - 10.1109/ICSD.2013.6619769

DO - 10.1109/ICSD.2013.6619769

M3 - Conference article in proceedings

SN - 978-1-4799-0807-3

SP - 389

EP - 392

BT - Proceedings

PB - Institute of Electrical and Electronic Engineers IEEE

ER -

Niittymäki M, Suhonen T, Kanerva U, Metsäjoki J, Lahti K. Dielectric properties of HVOF sprayed ceramic coatings. In Proceedings: IEEE International Conference on Solid Dielectrics, ICSD 2013. Institute of Electrical and Electronic Engineers IEEE. 2013. p. 389-392 https://doi.org/10.1109/ICSD.2013.6619769