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Crack-growth behavior in thick welded plates of inconel 718 at room and cryogenic temperatures
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Forman, R. G. |
| Copyright Year | 1974 |
| Description | Results of mechanical-properties and axial-load fatigue and fracture tests performed on thick welded plates of Inconel 718 superalloy are presented. The test objectives were to determine the tensile strength properties and the crack-growth behavior in electron-beam, plasma-arc, and gas tungsten are welds for plates 1.90 cm (0.75 in) thick. Base-metal specimens were also tested to determine the flaw-growth behavior. The tests were performed in room-temperature-air and liquid nitrogen environments. The experimental crack-growth-rate data are correlated with theoretical crack-growth-rate predictions for semielliptical surface flaws. |
| File Size | 1993670 |
| Page Count | 48 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19740015003 |
| Archival Resource Key | ark:/13960/t5r833z72 |
| Language | English |
| Publisher Date | 1974-05-01 |
| Access Restriction | Open |
| Subject Keyword | Materials, Metallic Fatigue Tests Weld Strength Reinforced Plates Room Temperature Tensile Strength Inconel Trademark Low Temperature 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 | Technical Report |
