Aging effects in La-Ni-Mn tritides

被引：4

作者：

Limacher, B

Leroy, D

Arnoux, C

Gaspard, F

机构：

[1] Commissariat à l'Energie Atomique, 91680 Bruyeres-le-Chatel

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 1995年 / 231卷 / 1-2期

关键词：

aging; tritium; La-Ni-Mn tritides;

D O I：

10.1016/0925-8388(95)01719-4

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：

Aging effects on LaNi5-xMnx tritides (0 less than or equal to x less than or equal to 2) stored at room temperature have been investigated for 3-5 years. Almost ail helium generated in the compounds by tritium decay was retained in the solid. Helium-induced changes in tritium P-C isotherms were observed: lowering of plateau pressure and reduction of storage capacity. These aging effects can be reversed, at least for younger tritides, by heating at 300-380 degrees C. Thermal desorption experiments performed on aged LaNi4Mn samples showed that helium release from older samples occurs at lower temperatures.

引用

页码：792 / 797

页数：6

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