Thermal expansion of UO2 and simulated DUPIC fuel

被引：22
|
作者：
Kang, KH [1 ]
Ryu, HJ [1 ]
Song, KC [1 ]
Yang, MS [1 ]
机构：
[1] Korea Atom Energy Res Inst, Taejon 305600, South Korea
来源：
JOURNAL OF NUCLEAR MATERIALS | 2002年 / 301卷 / 2-3期
关键词：
Density (specific gravity) - Lattice constants - Neutron diffraction - Thermal effects - Thermal expansion - Uranium dioxide;
D O I：
10.1016/S0022-3115(01)00712-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The lattice parameters of simulated DUPIC fuel and UO2 were measured from room temperature to 1273 K using neutron diffraction to investigate the thermal expansion and density variation with temperature. The lattice parameter of simulated DUPIC fuel is lower than that of UO2. and the linear thermal expansion of simulated DUPIC fuel is higher than that of UO2. For the temperature range from 298 to 1273 K, the average linear thermal expansion coefficients for UO2, and simulated DUPIC fuel are 10.471 x 10(-6) and 10.751 x 10(-6) K-1, respectively. (C) 2002 Elsevier Science B,V. All rights reserved.
引用
收藏
页码：242 / 244
页数：3
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