Establishment of multi-beam irradiation facility at Wuhan University

被引：20
作者：
Chen, Yiheng [1 ,2 ]
Guo, Liping [1 ,2 ]
Long, Yunxiang [1 ,2 ]
Xie, Ziyang [1 ,2 ]
Luo, Hongtai [1 ,2 ]
Lin, Wenbin [1 ,2 ]
Huang, Qunying [3 ]
机构：
[1] Wuhan Univ, Minist Educ, Hubei Nucl Solid Phys Key Lab, Key Lab Artificial Micro & Nanostruct, Wuhan 430072, Peoples R China
[2] Wuhan Univ, Sch Phys & Technol, Wuhan 430072, Peoples R China
[3] Chinese Acad Sci, Inst Nucl Energy Safety Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2022年 / 1040卷
基金：
中国国家自然科学基金;
关键词：
Multiple ion beam irradiation; Irradiation damage; CLAM steel; Dislocation loop; Irradiation hardening; ION ACCELERATORS; RADIATION-DAMAGE; BEAM IRRADIATION; INDENTATION; MICROSCOPE; STEEL;
D O I：
10.1016/j.nima.2022.167202
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A multiple ion beam irradiation facility has been established at Wuhan University to simulate severe irradiation conditions to materials in advanced nuclear energy systems. The platform consists of a 2 x 1.7 MV tandem accelerator, a 200 kV ion implanter, and a 50 kV ion implanter. A single high-energy irradiation chamber and a triple-beam irradiation chamber were set up. China Low Activation Martensitic Steel (CLAM) samples were irradiated with single beam of iron ions and simultaneous dual-beam of iron ions and helium ions at 450 degrees C. A large number of dislocation loops were observed in the samples after both irradiation conditions. The number density and average size of dislocation loops in the dual-beam irradiated samples were significantly larger than those in the single-beam irradiated samples. Irradiation hardening in dual-beam irradiated samples is more severe than that in single-beam irradiated samples.
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页数：6
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