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Aspects of fracture mechanics in cryogenic model design. part 2: ntf materials
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Lisagor, W. B. Newman Jr., J. C. |
| Copyright Year | 1983 |
| Description | Results of fatigue crack growth and fracture toughness tests conducted on three candidate materials are presented. Fatigue crack growth and fracture toughness tests were conducted on NITRONIC 40 at room temperature and -275 F. Fracture toughness tests were also conducted on Vascomax 200 and 250 maraging steel from room temperature to -320 F. NITRONIC 40 was used to make the Pathfinder 1 model. The fatigue crack growth rate tests were conducted at room temperature and -275 F on three-point notch bend specimens. The fracture toughness tests on the as received and stress relieved materials at -275 F were conducted on the center crack tension specimens. Toughness tests were also conducted on Vascomax CVM-200 and CVM-250 maraging steel from room temperature to -320 F using round and rectangular compact specimens. |
| File Size | 233186 |
| Page Count | 6 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19830010481 |
| Archival Resource Key | ark:/13960/t51g5hz0z |
| Language | English |
| Publisher Date | 1983-03-01 |
| Access Restriction | Open |
| Subject Keyword | Research And Support Facilities (air) Metal Fatigue Fracture Mechanics Wind Tunnel Apparatus Wind Tunnel Models Fracture Strength Cryogenic Wind Tunnels Crack Propagation Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
