Tritium aging effects in LaNi4.25Al0.75

被引:35
作者
Shanahan, KL [1 ]
Hölder, JS [1 ]
Bell, DR [1 ]
Wermer, JR [1 ]
机构
[1] Westinghouse Savannah River Co, Savannah River Technol Ctr, Aiken, SC 29808 USA
关键词
intermmetallic material; radiolytic decay; tritium processing;
D O I
10.1016/S0925-8388(03)00139-7
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Tritium desorption isotherms and helium release properties are reported for three different LaNi4.25Al0.75 samples having seen 11.5 and 13 years of tritium exposure, and are compared to earlier data from similar samples with less exposure. The isotherms show a complete loss of the typical plateau structure, and a decreasing absorption capacity. However, the capacity loss is not due to further increase in heel content. Helium breakout is show to occur in one sample when the T content became low. (C) 2003 WSRC. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:382 / 385
页数:4
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