Abstract
Weak-beam dark field transmission electron microscopy has been used to study the dislocation structure at a fatigue crack tip in 2024 aluminum. The region immediately ahead of the crack tip is characterized by a dislocation cell structure. Changes in the localized stress level at the crack tip are monitored by the measurement of the distribution of bowed out dislocation segments near cell walls.
| Original language | English |
|---|---|
| Title of host publication | Unknown Host Publication Title |
| Publisher | Pergamon Press |
| Pages | 2025-2032 |
| Number of pages | 8 |
| ISBN (Print) | 0080293093 |
| State | Published - 1984 |
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