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Journal of Materials Engineering and Performance
Published in: Journal of Materials Engineering and Performance 5/2017

06-04-2017

Plasma-Sprayed Fine-grained Zirconium Silicate and Its Dielectric Properties

Authors: P. Ctibor, Z. Pala, B. Nevrlá, K. Neufuss

Published in: Journal of Materials Engineering and Performance | Issue 5/2017

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Abstract

The article is focused on selected dielectric and electrical properties of ZrSiO4, which was plasma sprayed by a water-stabilized plasma system. A combination of two feeding distances and three spray distances was utilized for spraying and the structure and properties of samples evaluated. The coatings were tested in alternating electric field to determine capacity and loss factor with the frequency from 100 Hz to 100 kHz. Relative permittivity was calculated from the capacity. Volume resistivity and dielectric strength of ZrSiO4 were measured in a direct current regime. The aim was to test electrically this natural silicate material in the form of plasma-sprayed deposits. Microstructure was characterized by relatively large and non-globular pores. Crystallites were very small, about 10-20 nm. Dielectric losses were small, resistivity as well as strength relatively high. This silicate ceramic was recognized to be prospective for electrical engineering.
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Metadata
Title
Plasma-Sprayed Fine-grained Zirconium Silicate and Its Dielectric Properties
Authors
P. Ctibor
Z. Pala
B. Nevrlá
K. Neufuss
Publication date
06-04-2017
Publisher
Springer US
Published in
Journal of Materials Engineering and Performance / Issue 5/2017
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-017-2650-6

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