Effect of water vapor on the oxidation behavior of Al2Zr alloys

被引：1
|
作者：
Ma, Shuo [1 ]
Liu, Panmei [1 ]
Shangguan, Zixuan [1 ]
Mou, Zetao [1 ]
Yu, Liming [1 ]
Liu, Yongchang [1 ]
Wang, Zumin [1 ]
机构：
[1] Tianjin Univ, Sch Mat Sci & Engn, State Key Lab Hydraul Engn Intelligent Construct &, Tianjin 300350, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE | 2023年 / 58卷 / 42期
基金：
中国国家自然科学基金;
关键词：
HIGH-TEMPERATURE OXIDATION; ZIRCALOY-4; OXIDATION; THERMAL-OXIDATION; STABILITY; PHASE; THERMODYNAMICS; DEFECTS; OXIDES; STEAM; SCALE;
D O I：
10.1007/s10853-023-09075-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
To reveal the effects of water vapor on the oxidation mechanism of Al-Zr-based materials, the Al2Zr alloy was oxidized in a wet atmosphere. Water vapor achieves the synchronous oxidation of Al and Zr to form amorphous (Al0.67Zr0.33)O-1.66 oxide on the Al2Zr surface. The oxidation kinetics of the Al2Zr alloy is significantly retarded by the presence of water vapor. Compared with the oxygen molecules, water molecules are preferentially adsorbed on the surface, thereby providing fewer oxidizing species for wet oxidation than those for oxygen-involved oxidation. This work provides fundamental insights for surficial protection of structural alloys in humid environments. [GRAPHICS]
引用
收藏
页码：16523 / 16536
页数：14
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