The University of Alabama in Huntsville's Propulsion Research Center has teamed with NASA's Marshall Space Flight Center (MSFC) to research the effects of atomic oxygen (AO) bombardment on coated tether materials. Tethers Unlimited Inc. has provided several candidate tether materials with various coatings for AO exposure in MSFC's Atomic Oxygen Beam Facility. Additional samples were exposed to ultraviolet (UV) radiation at MSFC. AO erodes most organic materials, and ultraviolet radiation embrittles polymers. This test series was performed to determine the effect of AO and UV on the mechanical integrity of tether materials that were treated with AO-protective coatings, such as Photosil or metallization. Both TUI's Multi-Application Survivable Tether (MAST) Experiment and Marshall Space Flight Center's Momentum Exchange Electrodynamic Reboost (MXER) programs will benefit from this research by helping to determine tether materials and coatings that give the longest life with the lowest mass penalty.
Atomic Oxygen Effects of Coated Tether Materials
2005
10 pages
Report
Keine Angabe
Englisch
Manned Spacecraft , Space Launch Vehicles & Support Equipment , Chemistry , Materials Sciences , Coatings, Colorants, & Finishes , Tetherlines , Protective coatings , Atomic oxygen , Space environment , Coatings , Ultraviolet radiation , Metalizing , Marshall Space Flight Center (MSFC) , Atomic oxygen (AO) , Ultraviolet (UV) radiation
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