Fast Zirconium Oxidation Using Supercritical Water

被引：0
作者：
Massoni, Nicolas [1 ]
Ruiz, Jean-Christophe [2 ]
机构：
[1] CEA, DEN, DE2D, SEVT, BP17171, F-30207 Bagnols Sur Ceze, France
[2] CEA, DEN, DE2D, SEAD, BP17171, F-30207 Bagnols Sur Ceze, France
来源：
OXIDATION OF METALS | 2017年 / 88卷 / 5-6期
关键词：
Zirconium; Zircaloy-4; Supercritical water; Oxidation; TEMPERATURES; ZIRCALOY-4; KINETICS;
D O I：
10.1007/s11085-017-9781-x
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
A novel route for fast zirconium oxidation is reported, using supercritical water, for the case of Zircaloy-4 tubes that are used to clad nuclear fuel pellets in pressurized water reactors. An adherent and dense monoclinic zirconia layer 28 A mu m thick is obtained after 5 h of supercritical water oxidation at 500 degrees C. The zirconia crystallites are about 13 +/- 2 nm in size. This technique reduces the time needed to oxidize Zircaloy-4 from several weeks to a few hours when standard conditions are being used.
引用
收藏
页码：543 / 547
页数：5
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