THE STRENGTH OF IRRADIATED MAGNESIUM OXIDE
Magnesium oxide single crystals were irradiated in a reactor to neutron doses in the range 2 x 10/sup 19/to 2 x 10/sup 20/ nvt>1 Mev. Any irradiation in this dose range prevents slip occurring below a stress of at least 1.3 x 10/sup 2/ Kg mm/sup -2/ which was the maximum fracture stress observed (cf. 10 Kg mm/sup - 2/ as a typical flow stress before irradiation). The source of fracture is sometimes associated with pits produced by polishing and sometimes with impurity precipitates within the body of the crystal. (auth)
- Research Organization:
- Atomic Energy Research Establishment, Harwell, Berks, Eng.
- NSA Number:
- NSA-18-020595
- OSTI ID:
- 4009050
- Report Number(s):
- AERE-R-4433
- Journal Information:
- Phil. Mag., Journal Name: Phil. Mag. Vol. Vol: (8), 9
- Country of Publication:
- United Kingdom
- Language:
- English
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Micro-cracks and their relation to flow and fracture in single crystals of magnesium oxide
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