HREM study and structure modeling of the [eta][prime] phase, the hardening precipitates in commercial Al-Zn-Mg alloys. [High-Resolution Electron Microscopy]
Journal Article
·
· Acta Materialia
- Univ. of Oslo (Norway). Centre for Materials Science
- Lund Univ. (Sweden). National Center for HREM
The structure of the [eta][prime] phase, one of the most important age-hardening precipitates in commercial Al-Zn-Mg alloys, has been studied at the atomic level by means of high-resolution electron microscopy (HREM). A structural model of the [eta][prime] phase has been constructed on the basis of the structural characteristics in the observed images and the structure of the [eta]-MgZn[sub 2] phase. Image simulation of this model shows a good agreement between calculated and experimental images. Comparison of this model with the early existing model on the basis of the X-ray diffraction is also given.
- OSTI ID:
- 6390400
- Journal Information:
- Acta Materialia, Vol. 47:9; ISSN 1359-6454
- Country of Publication:
- United States
- Language:
- English
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