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| Content Provider | Springer Nature Link |
|---|---|
| Author | Pierce, J. L. Zawada, L. P. Srinivasan, R. |
| Copyright Year | 2003 |
| Abstract | The durability of coated Nicalon silicon carbide fiber-reinforced carbon (SiC/C) as the flap and seal exhaust nozzle components in a military aerospace turbine engine was studied. Test specimens machined from both a flap and a seal component were tested for residual strength following extended ground engine testing on a General Electric F414 afterburning turbofan engine. Although small amounts of damage to the protective exterior coating were identified on each component following engine testing, the tensile strengths were equal to the as-fabricated tensile strength of the material. Differences in strength between the two components and variability within the data sets could be traced back to the fabrication process using witness coupon test data from the manufacturer. It was also observed that test specimens machined transversely across the flap and seal components were stronger than those machined along the length. The excellent retained strength of the coated SiC/C material after extended exposure to the severe environment in the afterburner exhaust section of an aerospace turbofan engine has resulted in this material being selected as the baseline material for the F414 exhaust nozzle system. |
| Starting Page | 354 |
| Ending Page | 362 |
| Page Count | 9 |
| File Format | |
| ISSN | 10599495 |
| Journal | Journal of Materials Engineering and Performance |
| Volume Number | 12 |
| Issue Number | 3 |
| e-ISSN | 15441024 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2003-01-01 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | ceramic matrix composites (CMCs) Nicalon silicon carbide fiber (SiC/C) tensile properties turbine engine testing Characterization and Evaluation of Materials Materials Science Tribology, Corrosion and Coatings Quality Control, Reliability, Safety and Risk Engineering Design |
| Content Type | Text |
| Resource Type | Article |
| Subject | Mechanics of Materials Materials Science Mechanical Engineering |
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