Effect of dissolved hydrogen on corrosion of 316NG stainless steel in high temperature water

被引：51

作者：

Dong, Lijin ^{[1
,2
]}

Peng, Qunjia ^{[1
]}

Zhang, Zhiming ^{[1
]}

Shoji, Tetsuo ^{[3
]}

Han, En-Hou ^{[1
]}

Ke, Wei ^{[1
]}

Wang, Lei ^{[2
]}

机构：

[1] Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China

[2] Northeastern Univ, Key Lab Anisotropy & Texture Mat, Shenyang 110819, Peoples R China

[3] Tohoku Univ, New Ind Creat Hatchery Ctr, Frontier Res Initiat, Aoba Ku, Sendai, Miyagi 9808579, Japan

来源：

NUCLEAR ENGINEERING AND DESIGN | 2015年 / 295卷

关键词：

PWR PRIMARY WATER; OXIDE-FILM; PASSIVE FILMS; 288-DEGREES-C WATER; POURBAIX DIAGRAMS; CRACKING; 304-STAINLESS-STEEL; BEHAVIOR; NICKEL; MECHANISM;

D O I：

10.1016/j.nucengdes.2015.08.030

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Characterizations of oxide films formed on 316 stainless steel in high temperature, hydrogenated water were conducted. The results show the oxide film consists of an outer layer with oxide particles of Fe-Ni spinel and hematite, and an inner continuous layer of Fe-Cr-Ni spinel. Increasing dissolved hydrogen (DH) concentrations causes decrease of Cr- and increase of Fe-concentrations in the inner layer. A continuous decrease of Cr- and increase of Fe-concentrations was observed from the surface of the inner layer to the oxide/substrate interface. The DH effect is attributed to the enhanced diffusion of Fe ions in the oxide film by hydrogen. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：403 / 414

页数：12

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