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Atomic oxygen exposure of polyimide foam for international space station solar array wing blanket box
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Watts, E. W. Albyn, K. C. Finckenor, M. M. |
| Copyright Year | 2006 |
| Description | Onorbit photos of the International Space Station (ISS) solar array blanket box foam pad assembly indicate degradation of the Kapton film covering the foam, leading to atomic oxygen (AO) exposure of the foam. The purpose of this test was to determine the magnitude of particulate generation caused by low-Earth orbital environment exposure of the foam and also by compression of the foam during solar array wing retraction. The polyimide foam used in the ISS solar array wing blanket box assembly is susceptible to significant AO erosion. The foam sample in this test lost one-third of its mass after exposure to the equivalent of 22 mo onorbit. Some particulate was generated by exposure to simulated orbital conditions and the simulated solar array retraction (compression test). However, onorbit, these particles would also be eroded by AO. The captured particles were generally <1 mm, and the particles shaken free of the sample had a maximum size of 4 mm. The foam sample maintained integrity after a compression load of 2.5 psi. |
| File Size | 1214554 |
| Page Count | 20 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20060020185 |
| Archival Resource Key | ark:/13960/t5t77cj4b |
| Language | English |
| Publisher Date | 2006-02-01 |
| Access Restriction | Open |
| Subject Keyword | Nonmetallic Materials Foams Degradation Earth Orbital Environments International Space Station Solar Arrays Oxygen Atoms Compression Tests Polyimides Particulates Photographs Exposure Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
