Isotope effects and helium retention behavior in vanadium tritide

Conference · Sun Sep 01 00:00:00 EDT 1985 · Fusion Technol.; (United States)

OSTI ID:5760832

Bowman, R C; Attalla, A; Craft, B D

The relaxation times of the M, T, and /sup 3/He 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 within the VT /sub x/ lattice. Evidence is presented for the gradual growth of the helium bubbles over periods of hundreds of days.

• Research Organization: Monsanto Research Corporation, Mound, Miamisburg, OH
• OSTI ID: 5760832
• Report Number(s): CONF-850405-
• Journal Information: Fusion Technol.; (United States), Journal Name: Fusion Technol.; (United States) Vol. 8:2; ISSN FUSTE
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360106 -- Metals & Alloys-- Radiation Effects
360206 -- Ceramics
Cermets
& Refractories-- Radiation Effects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700209* -- Fusion Power Plant Technology-- Component Development & Materials Testing
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BUBBLE GROWTH
BUBBLES
CHEMICAL REACTIONS
CHEMISORPTION
DESORPTION
DIFFUSION
ELEMENTS
EVEN-ODD NUCLEI
HELIUM 3
HELIUM ISOTOPES
HYDRIDATION
HYDRIDES
HYDROGEN
HYDROGEN COMPOUNDS
HYDROGEN ISOTOPES
ISOTOPE EFFECTS
ISOTOPES
LABELLED COMPOUNDS
LIGHT NUCLEI
METALS
NONMETALS
NUCLEI
ODD-EVEN NUCLEI
PHYSICAL PROPERTIES
RADIOISOTOPES
RELAXATION TIME
SEPARATION PROCESSES
SORPTION
STABLE ISOTOPES
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
TRANSITION TEMPERATURE
TRITIUM
TRITIUM COMPOUNDS
VANADIUM
VANADIUM COMPOUNDS
VANADIUM HYDRIDES
YEARS LIVING RADIOISOTOPES