High-temperature degradation behavior of PEO-coated ZIRLO alloy in N2 and N2+steam environments at 900 and 1000 °C

被引：0

作者：

Guan, Haohao ^{[1
,2
,3
]}

Zhou, Qian ^{[1
,2
]}

Xu, Chi ^{[1
,2
,4
]}

Jin, Xiaoyue ^{[2
]}

Du, Jiancheng ^{[1
,2
]}

Xue, Wenbin ^{[1
,2
,4
]}

机构：

[1] Beijing Normal Univ, Coll Nucl Sci & Technol, Key Lab Beam Technol, Minist Educ, Beijing 100875, Peoples R China

[2] Beijing Acad Sci & Technol, Inst Radiat Technol, Beijing 100875, Peoples R China

[3] State Nucl BaoTi Zirconium Ind Co, Baoji 721013, Peoples R China

[4] Innovat Ctr Nucl Mat Natl Def Ind, Beijing 102413, Peoples R China

来源：

JOURNAL OF NUCLEAR MATERIALS | 2024年 / 597卷

基金：

中国国家自然科学基金;

关键词：

ZIRLO alloy; PEO coating; High -temperature nitridation; Steam oxidation; MICROARC OXIDATION FILM; STEAM OXIDATION; ZIRCONIUM ALLOY; AIR INGRESS; PART I; ZIRCALOY-4; OXIDE; KINETICS; NITROGEN; MIXTURES;

D O I：

10.1016/j.jnucmat.2024.155091

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A compact oxide coating of similar to 10 mu m thick on ZIRLO alloy was fabricated by plasma electrolytic oxidation (PEO). The morphologies, compositions, phase constituents before and after exposures in N-2 and N-2+steam environments at 900 and 1000 degrees C were characterized. The PEO coating greatly enhanced the corrosion resistance of ZIRLO alloy in the N-2+steam atmosphere at 900 and 1000 degrees C. The kinetic curves transformed from parabolic behavior for bare alloy and exponential behavior for PEO-coated alloy at pre-transition stage to linear at post-transition stage, due to the formation of ZrN and its re-oxidation.

引用

页数：11

共 45 条

[1]

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