Title :
Space charge analysis in polymers irradiated by a quasi-monoenergetic electron beam
Author :
Perrin, C. ; Griseri, V. ; Fukunaga, K. ; Maeno, T. ; Payan, D. ; Lévy, L. ; Laurent, C.
Author_Institution :
Centre Nat. d´´Etudes Spatiales, Toulouse, France
Abstract :
Spacecrafts such as most of commercial satellites that are operating in the geostationary orbit can be subjected to intense irradiation by charged particles. The surface made of dielectric materials can therefore become probable sites for damaging electrostatic discharges. Thanks to a specially equipped chamber, the spatial environment can be reproduced experimentally in the laboratory. In this paper, the behavior of high energy electrons injected in polymers such as PolyMethylMetaAcrylate (PMMA) and Kapton® is studied. Results obtained by surface potential technique, pulse-electro acoustic device and a cell based on the split Faraday cup system are analyzed and discussed.
Keywords :
aerospace materials; dielectric materials; electron beam effects; environmental degradation; polymers; pulsed electroacoustic methods; space charge; surface potential; Kapton®; PMMA; PolyMethylMetaAcrylate; charged particle irradiation; commercial satellites; dielectric materials; electrostatic discharges; geostationary orbit; high energy electrons; polymers; pulse-electro acoustic device; quasimonoenergetic electron beam; space charge analysis; spacecrafts; split Faraday cup system; surface potential technique; Acoustic devices; Acoustic pulses; Aircraft manufacture; Dielectric materials; Electron beams; Electrostatic discharge; Polymers; Satellites; Space charge; Surface discharges;
Conference_Titel :
Electrical Insulating Materials, 2005. (ISEIM 2005). Proceedings of 2005 International Symposium on
Print_ISBN :
4-88686-063-X
DOI :
10.1109/ISEIM.2005.193323
