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Study on the Measurement of Hafnium Using Prompt Gamma Neutron Activation Analysis Technology
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Wenbao JIA1, Yumeng CUI1, Ning WANG2, Zeliang WANG1, Zhenhua ZHANG1, Yan ZHANG3, Can CHENG4
Uranium Mining and Metallurgy | 2026, 45(1) : 115 - 122
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Uranium Mining and Metallurgy | 2026, 45(1): 115-122
• Mining and Hydrometallurgy •
Study on the Measurement of Hafnium Using Prompt Gamma Neutron Activation Analysis Technology
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Wenbao JIA1, Yumeng CUI1, Ning WANG2, Zeliang WANG1, Zhenhua ZHANG1, Yan ZHANG3, Can CHENG4
Affiliations
  • 1.School of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
  • 2.Department for Calibration Laboratory Accreditation, China National Accreditation Service for Conformity Assessment, Beijing 100062, China
  • 3.National Key Laboratory of Uranium Resource Exploration and Nuclear Remote Sensing, East China University of Technology, Nanchang 330013, China
  • 4.School of Electrical Engineering and Control Science, Nanjing Tech University, Nanjing 211816, China
Published: 2026-02-20 doi: 10.13426/j.cnki.yky.2025.06.11
Outline
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Plate-type nuclear fuel is extensively employed in small modular reactors, where the incorporation of neutron poisons into fuel elements enhances fuel utilization efficiency. Hafnium (Hf), a commonly used neutron poison, is widely applied in nuclear fuel assemblies. To ensure the operational safety, the accurate quantification of neutron poison content is of great significance. In this study, the detection of Hf was investigated using Prompt Gamma-ray Neutron Activation Analysis (PGNAA). A PGNAA system comprising a D-T neutron generator and a high-purity germanium detector was established to measure Hf plate samples. The system achieved a mass detection limit of 3.89 g for Hf. Furthermore, a Monte Carlo simulation model of the measurement system was developed to calculate the characteristic gamma rays induced by neutron excitation. The calculated results deviate from the experimental measurements by less than 10%, thereby validating the model's reliability. These findings provide both experimental and theoretical support for the application of PGNAA technology in measuring Hf content in nuclear fuel elements.

Prompt Gamma-ray Neutron Activation Analysis (PGNAA)  /  hafnium  /  D-T neutron generator  /  Monte Carlo simulations  /  neutron poisons  /  plate-type nuclear fuel
贾文宝, 崔昱萌, 王宁, 王泽亮, 张镇华, 张焱, 程璨. 基于PGNAA技术的Hf元素测量研究. 铀矿冶, 2026 , 45 (1) : 115 -122 . DOI: 10.13426/j.cnki.yky.2025.06.11
Wenbao JIA, Yumeng CUI, Ning WANG, Zeliang WANG, Zhenhua ZHANG, Yan ZHANG, Can CHENG. Study on the Measurement of Hafnium Using Prompt Gamma Neutron Activation Analysis Technology[J]. Uranium Mining and Metallurgy, 2026 , 45 (1) : 115 -122 . DOI: 10.13426/j.cnki.yky.2025.06.11
Appendix
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Year 2026 volume 45 Issue 1
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Article Info
doi: 10.13426/j.cnki.yky.2025.06.11
  • Receive Date：2025-06-26
  • Online Date：2026-09-28
  • Published：2026-02-20
Article Data
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History
  • Received：2025-06-26
  • Revised：2025-07-18
Funding
Affiliations
    1.School of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
    2.Department for Calibration Laboratory Accreditation, China National Accreditation Service for Conformity Assessment, Beijing 100062, China
    3.National Key Laboratory of Uranium Resource Exploration and Nuclear Remote Sensing, East China University of Technology, Nanchang 330013, China
    4.School of Electrical Engineering and Control Science, Nanjing Tech University, Nanjing 211816, China
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表12种不同金属材料的力学参数
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Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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