Electrically Conductive Thermal Control Surface for Spacecraft Encountering Low-Earth Orbit (LEO) Atomic Oxygen Indium Tin Oxide-Coated Thermal Blankets (Abstract)
Electrically Conductive Thermal Control Surface for Spacecraft Encountering Low-Earth Orbit (LEO) Atomic Oxygen Indium Tin Oxide-Coated Thermal Blankets (Abstract)
- New search for: J. L. Bauer
- New search for: J. L. Bauer
An organic black thermal blanket material was coated with indium tin oxide (ITO) to prevent blanket degradation in the low Earth orbit (LEO) atomic oxygen environment. The blankets were designed for the Galileo spacecraft. Galileo was initially intended for space shuttle launch and would, therefore, have been exposed to atomic oxygen in LEO for between 10 and 25 hours. Two processes for depositing ITO are described. Thermooptical, electrical, and chemical properties of the ITO film are presented as a function of the deposition process. Results of exposure of the ITO film to atomic oxygen (from a shuttle flight) and radiation exposure (simulated Jovian environment) are also presented. It is shown that the ITO-protected thermal blankets would resist the anticipated LEO oxygen and Jovian radiation yet provide adequate thermooptical and electrical resistance. Reference is made to the ESA Ulysses spacecraft, which also used ITO protection on thermal control surfaces.
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Electrically Conductive Thermal Control Surface for Spacecraft Encountering Low-Earth Orbit (LEO) Atomic Oxygen Indium Tin Oxide-Coated Thermal Blankets (Abstract)
1987
1 pages
Report
No indication
English
Unmanned Spacecraft , Earth orbital environments , Galileo spacecraft , Oxygen atoms , Protective coatings , Spacecraft construction materials , Thermal protection , Indium compounds , Tin oxides , Blankets , Chemical properties , Electrical resistivity , Planetary environments , Radiation effects , Temperature control , Thermophysical properties , Indium tin oxides
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