高能X射线对贫铀材料的活化性能研究

doi:10.13228/j.boyuan.issn10010777.20220014

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Abstract In order to ensure the sufficient penetration ability, the highenergy Xrays generated by the accelerator device are often used to accurately measure the internal defects of depleted uranium materials. High energy photons produce neutrons when they collide with the matter with high atomic number. Neutrons have highly destructive radiobiological effects. The shielding mode of neutron ray is also significantly different from that of Xray. Considering the safety of radiographic testing, it is necessary to study the properties of neutrons produced in activation of depleted uranium materials by highenergy Xrays. Through theoretical analysis and mathematical model establishment, the lower energy limit of neutrons generated in the interaction between Xrays with different energy and depleted uranium alloy was investigated. The study could provide safety guidance for the selection of upper energy limit of ray source in product internal defect detection.

Key words： depleted uranium material high energy Xray photonuclear reaction neutron

Received: 02 March 2022

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	Articles by authors
	张小刚
	俞东宝
	汤慧
	申俊华
	葛腾

Cite this article:

张小刚,俞东宝,汤慧等. Study on activation properties of depleted uranium materials by high energy X ray[J]. PHYSICS EXAMINATION AND TESTING, 2022, 40(6): 57-.

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http://www.chinamet.cn/Jweb_wlcs/EN/10.13228/j.boyuan.issn10010777.20220014 OR http://www.chinamet.cn/Jweb_wlcs/EN/Y2022/V40/I6/57