Research on Influence of Structural Parameters on Shielding Efficiency of Al-based Foam Metal

Wu Songling; Ye Zhutao; Li Aihua; Li Gang; Liu Xiaozhen

doi:10.13832/j.jnpe.2023.S1.0125

Volume 44 Issue S1

Jun. 2023

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Wu Songling, Ye Zhutao, Li Aihua, Li Gang, Liu Xiaozhen. Research on Influence of Structural Parameters on Shielding Efficiency of Al-based Foam Metal[J]. Nuclear Power Engineering, 2023, 44(S1): 125-130. doi: 10.13832/j.jnpe.2023.S1.0125

Citation:

Wu Songling, Ye Zhutao, Li Aihua, Li Gang, Liu Xiaozhen. Research on Influence of Structural Parameters on Shielding Efficiency of Al-based Foam Metal[J]. Nuclear Power Engineering, 2023, 44(S1): 125-130. doi: 10.13832/j.jnpe.2023.S1.0125

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Research on Influence of Structural Parameters on Shielding Efficiency of Al-based Foam Metal

doi: 10.13832/j.jnpe.2023.S1.0125

1.
Science and Technology on Reactor Fuel and Materials Laboratory, Nuclear Power Institute of China, Chengdu, 610213, China
2.
Department of Physics, Xiamen University, Xiamen, Fujian, 361005, China

Received Date: 2022-12-25
Rev Recd Date: 2023-02-06
Publish Date: 2023-06-15

Abstract

Abstract

Metal foam is characterized with excellent γ-ray shielding ability and lightweight. However, the relationship between its structural parameters and the radiation shielding performance is not clear, which blocks the further optimization of shielding properties. In this paper, two simulation models of densest packing spheres are constructed, then the shielding performance of ideal Al-based foam metal with various structural parameters is calculated by Monte Carlo. It is found that the Al-based foam metal’s shielding capacity against soft γ-ray with energy below 0.24 MeV is better than that of A356. Packing density of hollow spheres is the dominant controllable route to optimize the shielding performance of Al-based foam metal: and the lighter the material is, the better the performance is within its suitable radiation shielding energy range. The mode of packing is the most critical factor to affect the shielding capacity against γ-ray from ¹³⁷Cs and ⁶⁰Co sources. Preparation of face centered cubic densest packing sphere Al-based foam metal will weaken its inferiority in shielding harder γ-ray.
- Al-based foam metal,
- γ-ray shielding,
- Mode of packing,
- Mass attenuation coefficient (MAC),
- Monte Carlo N-Particle Transport Code (MCNP)

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References(17)

References

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