THE IRRADIATION BEHAVIOR OF ALPHA-URANIUM SINGLE CRYSTALS
Technical Report
·
OSTI ID:4220754
Sing~e crystals of alpha-uranium have shown that the principal slip system changes from (010) STA1OO! at room temperature to (001) STAlOO! at 600 deg C. This suggests a change in the balance of the lattice binding forces with increasing temperature, which could be effected by a change in the unit cell parameter v from 0.105 toward 0.167. The effect of this is to change the interstitial position of minimum potential energy in the unit cell from a pyramidal site to an octahedral site. It is suggested that this is the basic reason for the diminution and eventual reversal of growth in the STA010! direction with increasing temperature, which is observed during the irradiation of STA010! textured wires of alpha-uranium. (auth)
- Research Organization:
- United Kingdom Atomic Energy Authority. Industrial Group. Culcheth Labs., Culcheth, Lancs, England
- NSA Number:
- NSA-14-000682
- OSTI ID:
- 4220754
- Report Number(s):
- IGR-49(RD/C)
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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