Influence of surface electric discharges on behavior of cover glasses and solar array fragments

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Influence of surface electric discharges on behavior of cover glasses and solar array fragments

Skurat, V.E. / Gatsenko, L.S. / Zhigach, A.N. / Kagan, M.B. / Leipunsky, I.O. / Novikov, L.S. / Pshechenkov, P.A. / Artemov, V.V. / Berezkina, N.G.

Abstract

A research of surface electrostatic discharges (ESD) influence on cover glasses (CG) and fragments of a solar array (SA) consisting of triple-junction solar elements (SE) was carried out when simulating geostationary orbit (GEO) hot magnetospheric plasma in the on-ground conditions. Discharge channel locations, their configurations and sizes as well as cracks existence were detected by means of optical microscopy. Using scanning electron microscopy (SEM) and local X-ray spectrum analysis (LXSA) local areas enriched with mobile ions of the glass (Na, K, Ce) were revealed on the surface of SA fragments around central discharge channels (craters). It was found that changes of optical and electrical properties of SA fragments were determined by the number of ESD.

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Dokumentinformationen

Titel :

Influence of surface electric discharges on behavior of cover glasses and solar array fragments

Weitere Titelangaben:

Einfluss elektrischer Oberflächenentladungen auf das Verhalten von Deckgläsern und Sonnenpaddel-Fragmenten

Beteiligte:

Skurat, V.E. (Autor:in) / Gatsenko, L.S. (Autor:in) / Zhigach, A.N. (Autor:in) / Kagan, M.B. (Autor:in) / Leipunsky, I.O. (Autor:in) / Novikov, L.S. (Autor:in) / Pshechenkov, P.A. (Autor:in) / Artemov, V.V. (Autor:in) / Berezkina, N.G. (Autor:in)

Erschienen in:

ISMSE, International Symposium on Materials in a Space Environment, 12 ; 1-8

ESA SP - European Space Agency Special Publications ; 705

Erscheinungsdatum :

2012

Format / Umfang :

8 Seiten, 9 Bilder, 1 Tabelle, 8 Quellen

ISBN :

978-92-9221-269-9

ISSN :

0379-6566

Medientyp :