INFLUENCE OF GRAIN-SIZE AND CARBONATE IMPURITIES ON THE TRITIUM RELEASE FROM LITHIUM ORTHOSILICATE

被引：0
|
作者：
WEDEMEYER, H
WERLE, H
GUNTHER, E
机构：
[1] INST MATERIALFORSCH 3,W-7500 KARLSRUHE,GERMANY
[2] INST NEUTROENPHYS & REAKTORTECH,W-7500 KARLSRUHE,GERMANY
来源：
JOURNAL OF NUCLEAR MATERIALS | 1992年 / 191卷
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D O I：
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Tritium annealing studies and in-pile irradiation tests on lithium orthosilicate demonstrate the influence of lithium carbonate and/or carbon dioxide impurities from which the maximum tritium release is shifted from about 450 to about 700-degrees-C. Tritium release is faster with small grained orthosilicate samples than with coarse grained ones. This grain-size effect decreases with decreasing temperature and vanishes at about 400-degrees-C.
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页码：240 / 242
页数：3
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