SYMPOSIA PAPER Published: 01 January 2000
STP12451S

Microstructural Examination of Irradiated Beryllium Pebbles

Source

Commercially available beryllium pebbles have been irradiated to approximately 4×1022 n/cm2 (E > 0.1 MeV) at 380°C in the EBR-II. Microstructural examination has now been performed on pebbles 3 mm in diameter manufactured by Brush Wellman, USA and contained in that experiment. This paper describes optical, scanning electron and transmission electron microscopy of these pebbles. It was found that the major effect of irradiation was formation of small, highly non-equiaxed bubbles. The bubbles were thin disk shapes lying on the basal plane.

Author Information

Gelles, DS
Structural Materials Research, Battelle Pacific Northwest National Laboratory, Richland, WA
Dalle Donne, M
Forschungszentrum Karlsruhe, INR, Karlsruhe, Germany
Kawamura, H
JMTR, Oarai Establishment, JAERI, Kbaraki-ken, Japan
Ohnuki, S
Hokkaido University, Sapporo, Japan
Scaffidi-Argentina, F
Forschungszentrum Karlsruhe, INR, Karlsruhe, Germany
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Details
Developed by Committee: E10
Pages: 1051–1061
DOI: 10.1520/STP12451S
ISBN-EB: 978-0-8031-5419-3
ISBN-13: 978-0-8031-2852-1