Effect of post-annealing on the oxidation behavior of hot rolled ODS-FeCrAl steel in liquid lead

被引：3

作者：

Du, Qian ^{[1
]}

Chen, Jianye ^{[1
]}

Yun, Di ^{[1
]}

Gu, Long ^{[2
]}

Long, Bin ^{[3
]}

Lu, Chenyang ^{[1
]}

Li, Yanfen ^{[4
]}

Guo, Shaoqiang ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Nucl Sci & Technol, Shaanxi Key Lab Adv Nucl Energy & Technol, Xian 710049, Shaanxi, Peoples R China

[2] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Gansu, Peoples R China

[3] China Inst Atom Energy, Beijing 102413, Peoples R China

[4] Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China

来源：

CORROSION SCIENCE | 2024年 / 228卷

关键词：

A; Steel; B; SEM; C; TEM; D; EBSD; E. High temperature oxidation; CORROSION BEHAVIOR; DIFFUSION; OXYGEN; MICROSTRUCTURE; EVOLUTION; ALLOYS; CR;

D O I：

10.1016/j.corsci.2023.111815

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The microstructure of the hot-rolled and annealed ODS-FeCrAl steels and related oxide scales formed in the oxygen-containing liquid lead at 600 degree celsius was investigated by SEM-EDS, EBSD and TEM. The post-annealing caused partial recrystallization of hot-rolled ODS steel, which significantly reduced the intense theta-fiber (<001>||ND) and local dislocation density. After corrosion, the hot-rolled ODS steels exhibited complex and locally uneven oxide scales while the annealed ODS steels formed a uniform triple-layered oxide scale. A new insight into the relationship between oxidation depth and grain orientation was proposed, highlighting the significance of orientation-dependent dislocations on the transition of external/internal oxidation mechanisms.

引用

页数：12

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