Corrosion Behavior of High Strength AlCrFeNi Multi-principal- component Alloy in Lead-bismuth Alloy

Huang Yunhao; Wang Jianbin; Wang Zhijun; Zhao Ke

doi:10.13832/j.jnpe.2023.S1.0137

Volume 44 Issue S1

Jun. 2023

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Article Navigation > Nuclear Power Engineering > 2023 > 44(S1): 137-142

Huang Yunhao, Wang Jianbin, Wang Zhijun, Zhao Ke. Corrosion Behavior of High Strength AlCrFeNi Multi-principal- component Alloy in Lead-bismuth Alloy[J]. Nuclear Power Engineering, 2023, 44(S1): 137-142. doi: 10.13832/j.jnpe.2023.S1.0137

Citation:

Huang Yunhao, Wang Jianbin, Wang Zhijun, Zhao Ke. Corrosion Behavior of High Strength AlCrFeNi Multi-principal- component Alloy in Lead-bismuth Alloy[J]. Nuclear Power Engineering, 2023, 44(S1): 137-142. doi: 10.13832/j.jnpe.2023.S1.0137

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Corrosion Behavior of High Strength AlCrFeNi Multi-principal- component Alloy in Lead-bismuth Alloy

doi: 10.13832/j.jnpe.2023.S1.0137

1.
Science and Technology on Reactor Fuel and Materials Laboratory, Nuclear Power Institute of China, Chengdu, 610213, China
2.
State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an, 710072, China

Received Date: 2023-02-21
Rev Recd Date: 2023-04-30
Publish Date: 2023-06-15

Abstract

Abstract

Traditional structure materials limit the higher performance of lead-bismuth nuclear system. In order to provide high-performance structural materials for lead-bismuth reactors, a study on static lead-bismuth eutectic compatability at high temperature for the high strength Al₁₇Cr₁₀Fe₃₇Ni₃₆ multi-principal-component alloy was carried out. The results showed that the alloy formed a dense Fe-Cr-Al-O oxide film and a loose iron oxide double-layer oxide film structure in the lead-bismuth saturated oxygen environment at 500~600℃. The double oxidation film is only 1.5μm, which shows that the growth velocity of double oxidation film is slowly. The study show the Fe–Cr–Al oxide film own excellent compactness and structure stability, which prevent the lead-bismuth corrode the matrix. This study shows that the advance of AlCrFeNi multi-principal-component alloys in the lead-bismuth system, compared with the traditional ferrite/martensite stainless steel and austenite stainless steel.
- PbBi alloy,
- AlCrFeNi multi-principal-component alloy,
- Corrosion

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References(14)

References

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