Mechanism of corrosion of zirconium hydride and impact of precipitated hydrides on the Zircaloy-4 corrosion behaviour

被引：31
|
作者：
Tupin, M. [1 ]
Bisor, C. [1 ]
Bossis, P. [1 ]
Chene, J. [2 ]
Bechade, J. L. [3 ]
Jomard, F. [4 ]
机构：
[1] CEA, DEN, Serv Etud Mat Irradies, F-91191 Gif Sur Yvette, France
[2] CEA Saclay, CEA, DEN, Serv Corros & Comprtement Mat Leur Environm, F-91191 Gif Sur Yvette, France
[3] CEA, DEN, Serv Rech Met Appl, F-91191 Gif Sur Yvette, France
[4] Univ Versailles St Quentin, CNRS, UMR 8635, GEMaC, F-92195 Meudon, France
来源：
CORROSION SCIENCE | 2015年 / 98卷
关键词：
Zirconium; Reactor conditions; Hydrogen absorption; SIMS; TRANSMISSION ELECTRON-MICROSCOPY; PRESSURIZED-WATER REACTORS; SYNCHROTRON-RADIATION; OXIDE-FILMS; ZR ALLOYS; OXIDATION; TEMPERATURE; HYDROGEN; PRETRANSITION; TRANSPORT;
D O I：
10.1016/j.corsci.2015.05.058
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In Pressurized Water Reactors, zirconium hydrides precipitate in the matrix and could increase the oxidation rate of the claddings. To understand their effect, corrosion tests, TEM and mu-XRD analyses have been performed. This work showed that the oxidation rate and the oxygen diffusion coefficient in the oxide formed on massive hydride are much greater than those of Zircaloy-4. Moreover, oxide characterizations indicated an additional phase indexed as the sub-oxide Zr3O between the oxide film and the massive hydride. Finally, the hydrogen of the hydrides is not incorporated in the oxide during the corrosion process. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：478 / 493
页数：16
相关论文
共 50 条
  • [41] Effect of niobium implantation on the corrosion resistance of zircaloy-4
    Yu, RH
    Bai, XD
    Chen, XW
    Jin, ZX
    RARE METAL MATERIALS AND ENGINEERING, 2003, 32 (12) : 1057 - 1060
  • [42] A STUDY ON THE MECHANISM OF IODINE-INDUCED STRESS-CORROSION CRACKING OF ZIRCALOY-4
    CHOO, KN
    PYUN, SI
    CHOI, JK
    JOURNAL OF NUCLEAR MATERIALS, 1987, 149 (03) : 289 - 295
  • [43] A novel mechanism for nodular corrosion of Zircaloy-4 corroded in 773 K superheated steam
    Xie, Shijing
    Zhou, Bangxin
    Liang, Xue
    Liu, Wenqing
    Li, Hui
    Li, Qiang
    Yao, Meiyi
    Zhang, Jinlong
    CORROSION SCIENCE, 2017, 126 : 44 - 54
  • [44] Influence of Hydride Precipitation on the Corrosion Kinetics of Zircaloy-4: Effect of the Nanostructure and Grain Boundary Properties of the Zirconium Oxide Layer on Oxygen Diffusion Flux
    Jublot, Michael
    Zumpicchiat, Guillaume
    Tupin, Marc
    Pascal, Serge
    Berdin, Clotilde
    Bisor, Caroline
    Blat-Yrieix, Martine
    ZIRCONIUM IN THE NUCLEAR INDUSTRY: 18TH INTERNATIONAL SYMPOSIUM, 2018, 1597 : 350 - 384
  • [45] IRRADIATION EFFECTS ON CORROSION-RESISTANCE AND MICROSTRUCTURE OF ZIRCALOY-4
    ETOH, Y
    SHIMADA, S
    KIKUCHI, K
    KAWAI, K
    JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, 1992, 29 (12) : 1173 - 1183
  • [46] Studies on the corrosion behavior of yttrium-implanted zircaloy-4
    Jian Xu
    Xinde Bai
    Yudian Fan
    Wenliang Liu
    Hongbin Bei
    Journal of Materials Science, 2000, 35 : 6225 - 6229
  • [47] Effect of fabricating process on nodular corrosion of Zircaloy-4 tube
    Nuclear Power Inst of China, Chengdu, China
    Hedongli Gongcheng/Nuclear Power Engineering, 1998, 19 (05): : 462 - 467
  • [48] Effect of laser surface treatment on the nodular corrosion of zircaloy-4
    Xiyou Jinshu Cailiao Yu Gongcheng, 4 (44-46):
  • [49] Studies on the corrosion behavior of yttrium-implanted zircaloy-4
    Xu, J
    Bai, XD
    Fan, YD
    Liu, WL
    Bei, HB
    JOURNAL OF MATERIALS SCIENCE, 2000, 35 (24) : 6225 - 6229
  • [50] Degradation of corrosion resistance of Zircaloy-4 in LiOH aqueous solution
    Liu, WQ
    Zhou, BX
    Li, Q
    Yao, MY
    RARE METALS, 2004, 23 (03) : 286 - 288
12345