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Protective alumina coatings prepared by aerosol deposition on magnetocaloric gadolinium elements
ID Šadl, Matej (Author), ID Tomc, Urban (Author), ID Prah, Uroš (Author), ID Uršič Nemevšek, Hana (Author)

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Abstract
In this work the preparation of a protective insulating alumina coating on magnetocaloric gadolinium elements was investigated. In order to prepare a dense ceramic coating at room temperature the aerosol deposition technique was used. The study reveals that the powder morphology and particle size are important parameters that influence the deposition efficiency, powder packing and consequently also the density and functional properties of the alumina coating. The optimal powder pre-deposition treatment includes heating the powder to 1150 °C, followed by milling. The deposition of this powder resulted in the preparation of dense alumina coatings with a low specific electrical conductivity of 6.4.10-14 [Omega]-1m-1.

Language:English
Keywords:protective alumina coating, aerosol deposition, magnetocaloric gadolinium
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Publication status:Published
Publication version:Version of Record
Year:2019
Number of pages:Str. 177-182
Numbering:Vol. 49, no. 3
PID:20.500.12556/RUL-125701 This link opens in a new window
UDC:621.5(045)
ISSN on article:0352-9045
URN:URN:NBN:SI:doc-OFHVNHSU
COBISS.SI-ID:16935195 This link opens in a new window
Publication date in RUL:02.04.2021
Views:847
Downloads:197
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Record is a part of a journal

Title:Informacije MIDEM. časopis za mikroelektroniko, elektronske sestavne dele in materiale
Shortened title:Inf. MIDEM
Publisher:Strokovno društvo za mikroelektroniko, elektronske sestavne dele in materiale
ISSN:0352-9045
COBISS.SI-ID:1220612 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:02.04.2021

Secondary language

Language:Slovenian
Title:Korundna zaščita magnetokaloričnih hladilnih elementov pripravljena z metodo nanašanja delcev v curku aerosola
Keywords:korundne zaščitne prevleke, nanašanje delcev v curku aerosola, magnetokalorični gadolinij

Projects

Funder:Other - Other funder or multiple funders
Funding programme:Director’s fund 2017 - Jožef Stefan Institute
Name:ULTRACOOL

Funder:ARRS - Slovenian Research Agency
Project number:J2-9253
Name:Multikalorično hlajenje

Funder:ARRS - Slovenian Research Agency
Project number:J2-1738
Name:Elektrokalorični elementi za aktivno hlajenje elektronskih vezij

Funder:ARRS - Slovenian Research Agency
Project number:Z2-9247
Name:Digitalna mikrofluidika v magnetokaloričnem hlajenju

Funder:ARRS - Slovenian Research Agency
Project number:PR-08977
Name:Young researcher project

Funder:ARRS - Slovenian Research Agency
Project number:P2-0105
Name:Elektronska keramika, nano, 2D in 3D strukture

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