| contributor author | Irebert R. Delgado | |
| contributor author | Gary R. Halford | |
| contributor author | Clare M. Rimnac | |
| contributor author | Bruce M. Steinetz | |
| date accessioned | 2017-05-09T00:16:06Z | |
| date available | 2017-05-09T00:16:06Z | |
| date copyright | July, 2005 | |
| date issued | 2005 | |
| identifier issn | 1528-8919 | |
| identifier other | JETPEZ-26871#615_1.pdf | |
| identifier uri | http://yetl.yabesh.ir/yetl/handle/yetl/131774 | |
| description abstract | NASA’s turbine seal facility tests air-to-air seals for advanced jet engines. High temperature, speed, and pressure combinations limit test disk life, due to crack initiation in the Grainex Mar-M 247 disk bolt holes. An inspection interval is determined to ensure safe operation. Fatigue strain-life data is presented for test specimens from a test disk. Strain-life models (Manson-Hirschberg method of universal slopes, Halford-Nachtigall mean stress method, and modified Morrow method) were compared to experiment. Using experimental data at −99.95% prediction levels, accounting for six bolt holes at 0.5% total strain and 649°C, the test disk should be inspected after 665 cycles. | |
| publisher | The American Society of Mechanical Engineers (ASME) | |
| title | Strain-Life Assessment of Grainex Mar-M 247 for NASA’s Turbine Seal Test Facility | |
| type | Journal Paper | |
| journal volume | 127 | |
| journal issue | 3 | |
| journal title | Journal of Engineering for Gas Turbines and Power | |
| identifier doi | 10.1115/1.1852563 | |
| journal fristpage | 615 | |
| journal lastpage | 620 | |
| identifier eissn | 0742-4795 | |
| keywords | Fatigue | |
| keywords | Stress | |
| keywords | Fracture (Materials) | |
| keywords | Turbines | |
| keywords | Disks | |
| keywords | Cycles | |
| keywords | Test facilities | |
| keywords | Failure AND Design | |
| tree | Journal of Engineering for Gas Turbines and Power:;2005:;volume( 127 ):;issue: 003 | |
| contenttype | Fulltext | |