The solubility of hydrogen and deuterium in alloyed, unalloyed and impure plutonium metal

被引：18
|
作者：
Richmond, S. [1 ]
Bridgewater, J. S. [1 ]
Ward, J. W. [1 ]
Allen, T. H. [1 ]
机构：
[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
来源：
ACTINIDES 2009 | 2010年 / 9卷
关键词：
D O I：
10.1088/1757-899X/9/1/012036
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Pressure-Composition-Temperature (PCT) data are presented for the plutonium-hydrogen (Pu-H) and plutonium-deuterium (Pu-D) systems in the solubility region up to terminal solubility (precipitation of PuH2). The heats of solution for PuHS and PuDS are determined from PCT data in the ranges 350-625 degrees C for gallium alloyed Pu and 400-575 degrees C for unalloyed Pu. The solubility of high purity plutonium alloyed with 2 at.% gallium is compared to high purity unalloyed plutonium. Significant differences are found in hydrogen solubility for unalloyed Pu versus gallium alloyed Pu. Differences in hydrogen solubility due to an apparent phase change are observable in the alloyed and unalloyed solubilities. The effect of iron impurities on Pu-Ga alloyed Pu is shown via hydrogen solubility data as preventing complete homogenization.
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页数：8
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