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

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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.

Keywords:protective alumina coating, aerosol deposition, magnetocaloric gadolinium
Work type:Article (dk_c)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Number of pages:Str. 177-182
Numbering:Vol. 49, no. 3
ISSN on article:0352-9045
COBISS.SI-ID:16935195 This link opens in a new window
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Record is a part of a journal

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

Document is financed by a project

Funder:Drugi - Drug financer ali več financerjev
Funding Programme:Director’s fund 2017 - Jožef Stefan Institute
Project no.:

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:J2-9253
Name:Multikalorično hlajenje

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:J2-1738
Name:Elektrokalorični elementi za aktivno hlajenje elektronskih vezij

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:Z2-9247
Name:Digitalna mikrofluidika v magnetokaloričnem hlajenju

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:PR-08977
Name:Young researcher project

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P2-0105
Name:Elektronska keramika, nano, 2D in 3D strukture

Funding Programme:Technical support by Remy Lecomte (Erasmus+ programme)
Project no.:


License:CC BY 4.0, Creative Commons Attribution 4.0 International
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

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

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