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Random loading fatigue crack growth: crack closure considerations
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Ortiz, Keith |
| Copyright Year | 1987 |
| Description | The prediction of fatigue crack growth is an important element of effective fracture control for metallic structures and mechanical components, especially in the aerospace industry. The prediction techniques available and applied today are mostly based on fatigue crack growth measurements determined in constant amplitude testing. However, while many service loadings are constant amplitude, many more loadings are random amplitude. An investigation to determine which statistics of random loadings are relevant to fatigue crack closure was conducted. The fundamentals of random processes and crack closure are briefly reviewed, then the relevance of certain random process parameters to the crack closure calculation are discussed qualitatively. A course for further research is outlined. |
| File Size | 1103762 |
| Page Count | 21 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19880005499 |
| Archival Resource Key | ark:/13960/t1xd5sd5s |
| Language | English |
| Publisher Date | 1987-11-01 |
| Access Restriction | Open |
| Subject Keyword | Structural Mechanics Fracture Mechanics Random Loads Stress Intensity Factors Fatigue Materials Random Processes Plastic Deformation Prediction Analysis Techniques Residual Stress Crack Closure 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 |
