Simulation of plasticity-induced fatigue crack closure in part-through cracked geometries using finite element analysis
| Autor: | J.D Skinner, S. R. Daniewicz |
|---|---|
| Rok vydání: | 2002 |
| Předmět: |
Materials science
business.industry Mechanical Engineering Crack tip opening displacement Fatigue testing Structural engineering Plasticity Crack growth resistance curve Finite element method Crack closure Amplitude Closure (computer programming) Mechanics of Materials General Materials Science business |
| Zdroj: | Engineering Fracture Mechanics. 69:1-11 |
| ISSN: | 0013-7944 |
| DOI: | 10.1016/s0013-7944(01)00115-1 |
| Popis: | The part-through semi-elliptical surface flaw is commonly encountered in engineering practice. Proper characterization of plasticity-induced crack closure is necessary to predict both flaw growth and flaw shape evolution under cyclic loading. Three-dimensional elastic–plastic finite element analyses are used to model the plasticity-induced closure developed along the surface flaw crack front, and the subsequent crack opening behavior under constant amplitude loading. Resulting crack opening stresses are compared with results from a strip-yield model and with experimentally measured values reported in the literature. It was found that the computed values were larger than those measured. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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