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Influence of the experimental set-up and voltage ramp on the dielectric breakdown strength and breakdown site in borosilicate glass
Citation Link: https://doi.org/10.15480/882.3239
Publikationstyp
Journal Article
Date Issued
2021-02-02
Sprache
English
Author(s)
TORE-DOI
TORE-URI
Volume
41
Issue
2
Start Page
1332
End Page
1341
Citation
Journal of the European Ceramic Society 2 (41): 1332-1341 (2021-02-02)
Publisher DOI
Scopus ID
The dielectric breakdown strength of borosilicate glass and alumina was measured as a function of the voltage ramp rate on different material thicknesses and with different electrode configurations. While this is not a completely new approach, with our work we want to highlight the importance of appropriate measurement set-up and contribute to a better understanding and analysis of dielectric breakdown. The measurement of breakdown tests is generally anything but trivial and the comparison of breakdown results for different set-ups is difficult, especially because not all scientific articles go into detail on the measurement method and all the important parameters, which can influence the breakdown event. For the results shown in this work we mainly used glass as a suitable model material and two different electrode setups at eleven different voltage ramps in the range of 5 V/s to 10,000 V/s. We found that there is a clear dependence of the dielectric breakdown strength on the voltage ramp and the electrode configuration as well as it should be distinguished between breakdowns which initiated at electrode edge and those initiated within the electrode area. There is almost no scatter for breakdown strengths which were initiated inside a silver paste electrode in comparison to breakdown strength from the electrode edges.
Subjects
Breakdown location
Dielectric breakdown strength
Electrode configuration
Initialization site
Voltage ramp dependence
DDC Class
600: Technik
Funding(s)
More Funding Information
This work was supported by the German Research Foundation (Deutsche Forschungsgemeinschaft, DFG) under project number SCHN-372/17-2 and SFB 986.
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