Isotope Effects and Helium Retention Behavior in Vanadium Tritide
Conference
·
OSTI ID:970763
The relaxation times of the H, T, and 3He nuclei have been measured in vanadium hydride and tritide samples. Substantial isotope effects in both the phase transition temperatures and diffusion parameters have been found. When compared to hydrides, the tritide samples have lower transition temperatures and faster mobilities. The differences in the occupancies of the interstitial sites are largely responsible for these isotope effects. Most of the helium atoms generated by tritium decay remain trapped in microscopic bubbles formed with the VTx lattice. Evidence is presented for the gradual growth of the helium bubbles over periods of hundreds of days.
- Research Organization:
- MOUND (Mound Plant, Miamisburg, OH (United States))
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC04-76DP00053
- OSTI ID:
- 970763
- Report Number(s):
- MLM-3257(OP)
- Resource Relation:
- Conference: Second Topical Meeting on Tritium Technology in Fission, Fusion, and Isotopic Applications, Dayton, Ohio, 30 April - 2 May 1985; also Fusion Technology, Special Supplement, September, 1985
- Country of Publication:
- United States
- Language:
- English
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