中国物理B ›› 2021, Vol. 30 ›› Issue (8): 86106-086106.doi: 10.1088/1674-1056/abfcca

所属专题: SPECIAL TOPIC — Ion beam modification of materials and applications

• • 上一篇    下一篇

Helium-hydrogen synergistic effects on swelling in in-situ multiple-ion beams irradiated steels

Haocheng Liu(刘昊成)1, Jia Huang(黄嘉)1, Liuxuan Cao(曹留煊)2, Yue Su(苏悦)1, Zhiying Gao(高智颖)1, Pengfei Ma(马鹏飞)2, Songqin Xia(夏松钦)1, Wei Ge(葛伟)1, Qingyuan Liu(刘清元)1, Shuang Zhao(赵双)1, Yugang Wang(王宇钢)1, Jinchi Huang(黄金池)2, Zhehui Zhou(周哲辉)2, Pengfei Zheng(郑鹏飞)3, and Chenxu Wang(王晨旭)1,†   

  1. 1 State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China;
    2 College of Energy, Xiamen University, Xiamen 361102, China;
    3 Southwestern Institute of Physics, China National Nuclear Corporation, Chengdu 610041, China
  • 收稿日期:2021-03-17 修回日期:2021-04-24 接受日期:2021-04-29 出版日期:2021-07-16 发布日期:2021-08-02
  • 通讯作者: Chenxu Wang E-mail:cxwang@pku.edu.cn
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No. 11935004).

Helium-hydrogen synergistic effects on swelling in in-situ multiple-ion beams irradiated steels

Haocheng Liu(刘昊成)1, Jia Huang(黄嘉)1, Liuxuan Cao(曹留煊)2, Yue Su(苏悦)1, Zhiying Gao(高智颖)1, Pengfei Ma(马鹏飞)2, Songqin Xia(夏松钦)1, Wei Ge(葛伟)1, Qingyuan Liu(刘清元)1, Shuang Zhao(赵双)1, Yugang Wang(王宇钢)1, Jinchi Huang(黄金池)2, Zhehui Zhou(周哲辉)2, Pengfei Zheng(郑鹏飞)3, and Chenxu Wang(王晨旭)1,†   

  1. 1 State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China;
    2 College of Energy, Xiamen University, Xiamen 361102, China;
    3 Southwestern Institute of Physics, China National Nuclear Corporation, Chengdu 610041, China
  • Received:2021-03-17 Revised:2021-04-24 Accepted:2021-04-29 Online:2021-07-16 Published:2021-08-02
  • Contact: Chenxu Wang E-mail:cxwang@pku.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No. 11935004).

摘要: The development of reliable fusion energy is one of the most important challenges in this century. The accelerated degradation of structural materials in fusion reactors caused by neutron irradiation would cause severe problems. Due to the lack of suitable fusion neutron testing facilities, we have to rely on ion irradiation experiments to test candidate materials in fusion reactors. Moreover, fusion neutron irradiation effects are accompanied by the simultaneous transmutation production of helium and hydrogen. One important method to study the He-H synergistic effects in materials is multiple simultaneous ion beams (MSIB) irradiation that has been studied for decades. To date, there is no convincing conclusion on these He-H synergistic effects among these experiments. Recently, a multiple ion beam in-situ transmission electron microscopy (TEM) analysis facility was developed in Xiamen University (XIAMEN facility), which is the first triple beam system and the only in-running in-situ irradiation facility with TEM in China. In this work, we conducted the first high-temperature triple simultaneous ion beams irradiation experiment with TEM observation using the XIAMEN facility. The responses to in-situ triple-ion beams irradiation in austenitic steel 304L SS and ferritic/martensitic steel CLF-1 were studied and compared with the results in dual- and single-ion beam(s) irradiated steels. Synergistic effects were observed in MSIB irradiated steels. Helium was found to be critical for cavity formation, while hydrogen has strong synergistic effect on increasing swelling.

关键词: helium-hydrogen synergistic effect, multiple ion beams, structural material, swelling

Abstract: The development of reliable fusion energy is one of the most important challenges in this century. The accelerated degradation of structural materials in fusion reactors caused by neutron irradiation would cause severe problems. Due to the lack of suitable fusion neutron testing facilities, we have to rely on ion irradiation experiments to test candidate materials in fusion reactors. Moreover, fusion neutron irradiation effects are accompanied by the simultaneous transmutation production of helium and hydrogen. One important method to study the He-H synergistic effects in materials is multiple simultaneous ion beams (MSIB) irradiation that has been studied for decades. To date, there is no convincing conclusion on these He-H synergistic effects among these experiments. Recently, a multiple ion beam in-situ transmission electron microscopy (TEM) analysis facility was developed in Xiamen University (XIAMEN facility), which is the first triple beam system and the only in-running in-situ irradiation facility with TEM in China. In this work, we conducted the first high-temperature triple simultaneous ion beams irradiation experiment with TEM observation using the XIAMEN facility. The responses to in-situ triple-ion beams irradiation in austenitic steel 304L SS and ferritic/martensitic steel CLF-1 were studied and compared with the results in dual- and single-ion beam(s) irradiated steels. Synergistic effects were observed in MSIB irradiated steels. Helium was found to be critical for cavity formation, while hydrogen has strong synergistic effect on increasing swelling.

Key words: helium-hydrogen synergistic effect, multiple ion beams, structural material, swelling

中图分类号:  (Ion radiation effects)

  • 61.80.Jh
61.72.-y (Defects and impurities in crystals; microstructure) 41.75.Ak (Positive-ion beams) 28.52.-s (Fusion reactors)