2023
DOI: 10.1088/1361-6463/ad0dce
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Suppression of dielectric surface flashover induced by strong electromagnetic field at multiple spatial scales based on above/sub-surface discharge development mechanisms

Xiong Yang,
Rundong Zhou,
Baipeng Song
et al.

Abstract: Spacecraft charging and electrostatic discharging (ESD) are prone to occur in harsh space environments. In particular, in the case of coupling strong electromagnetic field (EMF), ESD damages may occur at a low charging potential, posing a serious threat to on-orbit spacecraft missions. To investigate the mechanism and the pertinent suppression method for vacuum surface discharge induced by EMF, a specially-designed platform for EMF-induced surface discharge was set up. Surface structures with various spatial s… Show more

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“…Prior to testing, the surface of samples must be thoroughly cleaned with absolute ethanol and deionized water, followed by drying in a vacuum oven for over 30 min. 20 Subsequently, the prepared sample is assembled with the electrode-sample structure and introduced into the vacuum chamber to establish a vacuum environment for flashover test.…”
Section: A Preparation Of Samplesmentioning
confidence: 99%
“…Prior to testing, the surface of samples must be thoroughly cleaned with absolute ethanol and deionized water, followed by drying in a vacuum oven for over 30 min. 20 Subsequently, the prepared sample is assembled with the electrode-sample structure and introduced into the vacuum chamber to establish a vacuum environment for flashover test.…”
Section: A Preparation Of Samplesmentioning
confidence: 99%