Chemie und Prozesstechnik
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- 2018 (1)
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- Aluminium alloys (1)
- Creep (1)
- Damage (1)
- Electron microscopy (1)
- Synchrotron X-ray refraction (1)
- subgrain structure (1)
Organisationseinheit der BAM
In order to provide further evidence of damage mechanisms predicted by the recent solid-state transformation creep (SSTC) model, direct observation of damage accumulation during creep of Al–3.85Mg was made using synchrotron X-ray refraction. X-ray refraction techniques detect the internal specific surface (i.e. surface per unit volume) on a length scale comparable to the specimen size, but with microscopic sensitivity. A significant rise in the internal specific surface with increasing creep time was observed, providing evidence for the creation of a fine grain substructure, as predicted by the SSTC model. This substructure was also observed by scanning electron microscopy