Loading...
Please wait, while we are loading the content...
Similar Documents
In-space repair of reinforced carbon-carbon thermal protection system structures
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Singh, Mrityunjay |
| Copyright Year | 2006 |
| Description | Advanced repair and refurbishment technologies are critically needed for the thermal protection system of current space transportation system as well as for future Crew Exploration Vehicles (CEV). The damage to these components could be caused by impact during ground handling or due to falling of ice or other objects during launch. In addition, in-orbit damage includes micrometeoroid and orbital debris impact as well as different factors (weather, launch acoustics, shearing, etc.) during launch and re-entry. The GRC developed GRABER (Glenn Refractory Adhesive for Bonding and Exterior Repair) material has shown multiuse capability for repair of small cracks and damage in reinforced carbon-carbon (RCC) material. The concept consists of preparing an adhesive paste of desired ceramic with appropriate additives and then applying the paste to the damaged/cracked area of the RCC composites with adhesive delivery system. The adhesive paste cures at 100-120 C and transforms into a high temperature ceramic during simulated entry conditions. A number of plasma torch and ArcJet tests were carried out to evaluate the crack repair capability of GRABER materials for Reinforced Carbon-Carbon (RCC) composites. For the large area repair applications, integrated system for tile and leading edge repair (InSTALER) have been developed. In this presentation, critical in-space repair needs and technical challenges as well as various issues and complexities will be discussed along with the plasma performance and post test characterization of repaired RCC materials. |
| File Size | 6295648 |
| Page Count | 39 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20070018032 |
| Archival Resource Key | ark:/13960/t46q6xk7f |
| Language | English |
| Publisher Date | 2006-06-03 |
| Access Restriction | Open |
| Subject Keyword | Spacecraft Design, Testing And Performance Carbon-carbon Composites Performance Tests Reentry Space Debris High Temperature Cracks Thermal Protection Tiles Launching Space Transportation System Composite Structures Damage Leading Edges Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
