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Mining tailings as a raw material for glass-bonded thermally sprayed ceramic coatings: Microstructure and properties

Tutkimustuotosvertaisarvioitu

Standard

Mining tailings as a raw material for glass-bonded thermally sprayed ceramic coatings : Microstructure and properties. / Karhu, Marjaana; Lagerbom, Juha; Honkanen, Mari; Huttunen-Saarivirta, Elina; Kiilakoski, Jarkko; Vuoristo, Petri; Solismaa, Soili; Kivikytö-Reponen, Päivi.

julkaisussa: Journal of the European Ceramic Society, Vuosikerta 40, Nro 12, 2020, s. 4111-4121.

Tutkimustuotosvertaisarvioitu

Harvard

Karhu, M, Lagerbom, J, Honkanen, M, Huttunen-Saarivirta, E, Kiilakoski, J, Vuoristo, P, Solismaa, S & Kivikytö-Reponen, P 2020, 'Mining tailings as a raw material for glass-bonded thermally sprayed ceramic coatings: Microstructure and properties', Journal of the European Ceramic Society, Vuosikerta. 40, Nro 12, Sivut 4111-4121. https://doi.org/10.1016/j.jeurceramsoc.2020.04.038

APA

Karhu, M., Lagerbom, J., Honkanen, M., Huttunen-Saarivirta, E., Kiilakoski, J., Vuoristo, P., ... Kivikytö-Reponen, P. (2020). Mining tailings as a raw material for glass-bonded thermally sprayed ceramic coatings: Microstructure and properties. Journal of the European Ceramic Society, 40(12), 4111-4121. https://doi.org/10.1016/j.jeurceramsoc.2020.04.038

Vancouver

Karhu M, Lagerbom J, Honkanen M, Huttunen-Saarivirta E, Kiilakoski J, Vuoristo P et al. Mining tailings as a raw material for glass-bonded thermally sprayed ceramic coatings: Microstructure and properties. Journal of the European Ceramic Society. 2020;40(12):4111-4121. https://doi.org/10.1016/j.jeurceramsoc.2020.04.038

Author

Karhu, Marjaana ; Lagerbom, Juha ; Honkanen, Mari ; Huttunen-Saarivirta, Elina ; Kiilakoski, Jarkko ; Vuoristo, Petri ; Solismaa, Soili ; Kivikytö-Reponen, Päivi. / Mining tailings as a raw material for glass-bonded thermally sprayed ceramic coatings : Microstructure and properties. Julkaisussa: Journal of the European Ceramic Society. 2020 ; Vuosikerta 40, Nro 12. Sivut 4111-4121.

Bibtex - Lataa

@article{53ed20880cb347e5adb0249bc729258c,
title = "Mining tailings as a raw material for glass-bonded thermally sprayed ceramic coatings: Microstructure and properties",
abstract = "Magnesium aluminate, MgAl2O4, spinel powders for thermal spraying, were synthesized from secondary raw materials by spray drying and subsequent reaction sintering. Talc ore mining tailings and aluminium hydroxide precipitate from aluminium anodizing process were studied. A stoichiometric MgAl2O4 spinel coating was prepared as a reference using pure raw materials. Atmospheric plasma spraying resulted in the formation of ceramic coatings. Microstructural investigations revealed that the reference coatings exhibited crystalline lamellar microstructure of MgAl2O4 but secondary coatings contained amorphous areas between the crystalline MgAl2O4 clusters. Abrasive wear test results revealed considerably lower wear rate for secondary coatings. It is suggested that the different structure of coatings, particularly the high degree of amorphous phase between the isolated crystalline MgAl2O4 clusters caused the higher abrasive wear resistance by changing the wear mechanism. The dielectric breakdown strength of the secondary coatings were at the same level, 24 V/μm, as compared to reference coating, 23 V/μm.",
keywords = "Ceramic coating, Circular economy, MgAlO spinel, Mining tailings, Thermal spray",
author = "Marjaana Karhu and Juha Lagerbom and Mari Honkanen and Elina Huttunen-Saarivirta and Jarkko Kiilakoski and Petri Vuoristo and Soili Solismaa and P{\"a}ivi Kivikyt{\"o}-Reponen",
year = "2020",
doi = "10.1016/j.jeurceramsoc.2020.04.038",
language = "English",
volume = "40",
pages = "4111--4121",
journal = "Journal of the European Ceramic Society",
issn = "0955-2219",
publisher = "Elsevier",
number = "12",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Mining tailings as a raw material for glass-bonded thermally sprayed ceramic coatings

T2 - Microstructure and properties

AU - Karhu, Marjaana

AU - Lagerbom, Juha

AU - Honkanen, Mari

AU - Huttunen-Saarivirta, Elina

AU - Kiilakoski, Jarkko

AU - Vuoristo, Petri

AU - Solismaa, Soili

AU - Kivikytö-Reponen, Päivi

PY - 2020

Y1 - 2020

N2 - Magnesium aluminate, MgAl2O4, spinel powders for thermal spraying, were synthesized from secondary raw materials by spray drying and subsequent reaction sintering. Talc ore mining tailings and aluminium hydroxide precipitate from aluminium anodizing process were studied. A stoichiometric MgAl2O4 spinel coating was prepared as a reference using pure raw materials. Atmospheric plasma spraying resulted in the formation of ceramic coatings. Microstructural investigations revealed that the reference coatings exhibited crystalline lamellar microstructure of MgAl2O4 but secondary coatings contained amorphous areas between the crystalline MgAl2O4 clusters. Abrasive wear test results revealed considerably lower wear rate for secondary coatings. It is suggested that the different structure of coatings, particularly the high degree of amorphous phase between the isolated crystalline MgAl2O4 clusters caused the higher abrasive wear resistance by changing the wear mechanism. The dielectric breakdown strength of the secondary coatings were at the same level, 24 V/μm, as compared to reference coating, 23 V/μm.

AB - Magnesium aluminate, MgAl2O4, spinel powders for thermal spraying, were synthesized from secondary raw materials by spray drying and subsequent reaction sintering. Talc ore mining tailings and aluminium hydroxide precipitate from aluminium anodizing process were studied. A stoichiometric MgAl2O4 spinel coating was prepared as a reference using pure raw materials. Atmospheric plasma spraying resulted in the formation of ceramic coatings. Microstructural investigations revealed that the reference coatings exhibited crystalline lamellar microstructure of MgAl2O4 but secondary coatings contained amorphous areas between the crystalline MgAl2O4 clusters. Abrasive wear test results revealed considerably lower wear rate for secondary coatings. It is suggested that the different structure of coatings, particularly the high degree of amorphous phase between the isolated crystalline MgAl2O4 clusters caused the higher abrasive wear resistance by changing the wear mechanism. The dielectric breakdown strength of the secondary coatings were at the same level, 24 V/μm, as compared to reference coating, 23 V/μm.

KW - Ceramic coating

KW - Circular economy

KW - MgAlO spinel

KW - Mining tailings

KW - Thermal spray

U2 - 10.1016/j.jeurceramsoc.2020.04.038

DO - 10.1016/j.jeurceramsoc.2020.04.038

M3 - Article

VL - 40

SP - 4111

EP - 4121

JO - Journal of the European Ceramic Society

JF - Journal of the European Ceramic Society

SN - 0955-2219

IS - 12

ER -