Improved corrosion resistance of TiAlCrNbMo alloy to lead-bismuth eutectic by pre-oxidation

被引：2
|
作者：
Liu, Y. [1 ]
Ge, H. E. [2 ]
Ren, Q. S. [2 ]
Deng, H. W. [1 ]
Li, Z. [1 ]
Du, B. [1 ]
Zhang, T. [1 ]
机构：
[1] Guangzhou Univ, Res Ctr Adv Informat Mat CAIM, Sch Phys & Mat Sci, Guangzhou 510006, Guangdong, Peoples R China
[2] China Nucl Power Technol Res Inst, Shenzhen 518031, Guangdong, Peoples R China
来源：
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2024年 / 28卷
关键词：
LBE; TiAl alloy; Oxidation; Anti-corrosion; Nuclear materials; OXIDATION BEHAVIOR; LIQUID LEAD; THERMAL-EXPANSION; TEMPERATURE; STEELS; ANATASE; COMPATIBILITY; CHROMIUM; RUTILE; LBE;
D O I：
10.1016/j.jmrt.2023.12.044
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A Ti48.5Al46Cr3Nb0.5Mo2 alloy was designed and fabricated to investigate its corrosion resistance to static liquid lead-bismuth eutectic (LBE). The microstructure and corrosion behavior of un-oxidized and pre-oxidized samples were compared. The results show that LBE preferentially penetrated into the alloy along the CrMo-rich sigma phase formed at high-temperature. A TiO2 and Al2O3 oxide layer was formed on the surface of the matrix after 2 h pre-oxidized leading to remarkable LBE resistance. When extended the pre-oxidized time to 4 h, the exfoliation of the oxide layer caused by the evaporation of MoO3 significantly weakens the corrosion resistance.
引用
收藏
页码：707 / 718
页数：12
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