期刊
CORROSION SCIENCE
卷 69, 期 -, 页码 1-4出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2012.11.036
关键词
Zirconium; Intermetallics; Hydrogen absorption
资金
- EPSRC
- ANSTO
- UK-MOD
- EDF Energy
- Engineering and Physical Sciences Research Council [1167319] Funding Source: researchfish
Ab-initio computer simulations have been used to predict the energies associated with the accommodation of H atoms at interstitial sites in alpha,beta-Zr and Zr-M intermetallics formed with common alloying additions (M = Cr, Fe, Ni). Intermetallics that relate to the Zr-2(Ni,Fe) second phase particles (SPPs) found in Zircaloy-2 exhibit favourable solution enthalpies for H. The intermetallic phases that relate to the Zr(Cr,Fe)(2) SPPs, found predominantly in Zircaloy-4, do not offer favourable sites for interstitial H. It is proposed that Zr(Cr,Fe)(2) particles may act as bridges for the migration of H through the oxide layer, whilst the Zr-2(Ni,Fe)-type particles will trap the migrating H until these are dissolved or fully oxidised. (C) 2012 Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据