Nanosized polycrystalline diamond cladding for surface protection of zirconium nuclear fuel tubes

被引:29
|
作者
Kratochvilova, I. [1 ,4 ]
Skoda, R. [2 ]
Skarohlid, J. [2 ]
Ashcheulov, P. [1 ,4 ]
Jaeger, A. [1 ]
Racek, J. [1 ]
Taylor, A. [1 ]
Shao, L. [3 ]
机构
[1] Acad Sci Czech Republic, Inst Phys, Vvi, CZ-18221 Prague 8, Czech Republic
[2] Czech Tech Univ, Fac Mech Engn, CZ-16007 Prague 6, Czech Republic
[3] Texas A&M Univ, Dept Nucl Engn TAMU 3133, College Stn, TX 77843 USA
[4] Czech Tech Univ, Fac Nucl Phys & Phys Engn, CZ-16000 Prague 6, Czech Republic
关键词
Polycrystalline diamond film; Nuclear fuel cladding protection; Microwave plasma enhanced chemical; vapor deposition; THIN-FILMS; PARTICLES; NEUTRON; DAMAGE; XPS;
D O I
10.1016/j.jmatprotec.2014.05.009
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A 300 nm thick polycrystalline diamond layer has been used for protection of zirconium alloy nuclear fuel cladding against undesirable oxidation with no loss of chemical stability and preservation of its functionality. Deposition of polycrystalline diamond layer was carried out using microwave plasma enhanced chemical vapor deposition apparatus with linear antenna delivery (which enables deposition of PCD layers over large areas). Polycrystalline diamond coated zirconium alloy fuel tubes were subjected to corrosion tests to replicate nuclear reactor conditions, namely irradiation and hot steam oxidation. Stable radiation tolerance of the polycrystalline diamond layer and its protective capabilities against hot steam oxidation of the zirconium alloy were confirmed. Finally, the use of polycrystalline diamond layers as a sensor of specific conditions (temperature/pressure dependent phase transition) in nuclear reactors is suggested. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码:2600 / 2605
页数:6
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