The structure of a massive MgB2 compound deformed by upsetting at room temperature and then annealed at 650°C has been investigated by X-ray diffraction analysis, scanning and transmission electron microscopy.… Click to show full abstract
The structure of a massive MgB2 compound deformed by upsetting at room temperature and then annealed at 650°C has been investigated by X-ray diffraction analysis, scanning and transmission electron microscopy. The obtained material is characterized by a dense nanosized structure of the matrix MgB2 phase with good intergrain bonds and a uniform distribution of dispersed MgO inclusions.
               
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