Study on Characterization of Interaction Layer of U-Mo/Al-2Si

LIU Yunming; YIN Changgeng; SUN Zhanglong; CHEN Jiangang

Volume 32 Issue 2

Mar. 2025

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LIU Yunming, YIN Changgeng, SUN Zhanglong, CHEN Jiangang. Study on Characterization of Interaction Layer of U-Mo/Al-2Si[J]. Nuclear Power Engineering, 2011, 32(2): 30-34.

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LIU Yunming, YIN Changgeng, SUN Zhanglong, CHEN Jiangang. Study on Characterization of Interaction Layer of U-Mo/Al-2Si[J]. Nuclear Power Engineering, 2011, 32(2): 30-34.

LIU Yunming, YIN Changgeng, SUN Zhanglong, CHEN Jiangang. Study on Characterization of Interaction Layer of U-Mo/Al-2Si[J]. Nuclear Power Engineering, 2011, 32(2): 30-34.

Citation:

LIU Yunming, YIN Changgeng, SUN Zhanglong, CHEN Jiangang. Study on Characterization of Interaction Layer of U-Mo/Al-2Si[J]. Nuclear Power Engineering, 2011, 32(2): 30-34.

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Study on Characterization of Interaction Layer of U-Mo/Al-2Si

National Key Laboratory for Nuclear Fuel and Materials, Nuclear Power Institute of China, Chengdu, 610041, China

Received Date: 2009-11-25
Available Online: 2025-03-08

Abstract

Abstract

U-Mo Alloy fuel is the most promising LEU fuel that used for research and test reactors.In this paper,the diffusion and reaction behavior of U-Mo/Al-2Si is studied with the hot-pressing diffusion-couple method.The experiment is carried out in a vacuum furnace for 550～570℃ at 5～21h.The result shows that the interaction layer thickness is increasing with temperature augmenting and time prolonging.Rich in Si layer is formed in the U-Mo side with 47.4 at.% Si.From U-Mo side to Al-2Si side,U（Mo） content is decreased while Al is increased,and Si is decreased after biggest content in U-Mo side.The phase of U-Mo side is mainly（U,Mo）（Al,Si）₃,and Al side the phase is a mixture of（U,Mo）（Al,Si）₃ and UMo₂Al₂.The amount of UMo₂Al₂ is increased from U-Mo side to Al-2Si side.
- U-Mo Alloy,
- Al-2Si Alloy,
- Diffusion couple,
- Interaction layer

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