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Low cost fabrication of ablative heat shields
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Schofield, W. C. Cecka, A. M. |
| Copyright Year | 1972 |
| Description | A material and process study was performed using subscale panels in an attempt to reduce the cost of fabricating ablative heat shield panels. Although no improvements were made in the material formulation, a significant improvement was obtained in the processing methods compared to those employed in the previous work. The principal feature of the new method is the press filling and curing of the ablation material in a single step with the bonding and curing of the face sheet. This method was chosen to replace the hand troweling and autoclave curing procedure used previously. Double-curvature panels of the same size as the flat panels were fabricated to investigate fabrication problems. It was determined that the same materials and processes used for flat panels can be used to produce the curved panels. A design with severe curvatures consisting of radii of 24 x 48 inches was employed for evaluation. Ten low-density and ten high-density panels were fabricated. With the exception of difficulties related to short run non-optimum tooling, excellent panel filling and density uniformity were obtained. |
| File Size | 11043245 |
| Page Count | 56 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19730003248 |
| Archival Resource Key | ark:/13960/t57d7nc6t |
| Language | English |
| Publisher Date | 1972-06-01 |
| Access Restriction | Open |
| Subject Keyword | Thermodynamics And Combustion Fabrication Materials Tests Quality Control Heat Shielding Ablative Materials Product Development Thermodynamic Properties 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 |
