Corrosion Resistance of Mo Capillary Porous Systems (CPSs) in High Temperature Liquid Sn through High-flux Hydrogen Plasmas Irradiated

Authors

  • Hengxin Guo Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.
  • Zongbiao Ye Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.
  • Li Yang Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.
  • Yingwei Gao Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.
  • Jianxing Liu Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.
  • Wenna Jing Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.
  • Jianjun Wei Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610064, China.
  • Shuwei Chen College of Physics, Sichuan University, Chengdu 610064, China.
  • Bo Chen Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.
  • Jianjun Chen Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.
  • Hongbin Wang Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.
  • Fujun Gou Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China.

DOI:

https://doi.org/10.9734/bpi/cicms/v2/7501A

Keywords:

Mo meshes, liquid Sn, hydrogen plasma, corrosion resistance, heat healing

Abstract

In this study, the corrosion resistance of Mo capillary porous systems (CPSs) in high temperature liquid Sn was examined in relation to hydrogen plasma irradiation. Capillary-Pore Systems (CPS) filled by liquid metals are considered as an alternative solution of materials choice for plasma facing component of tokamak reactor. Initial Mo CPSs showed a significant morphology change and mass loss rate (1.107 × 10–3 mg/(mm2·h)) after corrosion in liquid Sn at 1,023 K for 100 h. A brief period of irradiation enhanced the corrosion resistance of Mo wires, resulting in a dramatic decrease to 1.23 × 10–4 mg/(mm2·h) in mass loss rate under the same corrosion conditions. To determine whether temperature was the main factor leading to above phenomenon, Mo CPSs were pre-annealed at the same temperature (843 K) as irradiation. The mass loss rate of annealed Mo CPSs (3.09 × 10–4 mg/(mm2·h)), which was lower than that of the initial sample, was still higher than that of the plasma-treated samples. Difference between plasma irradiation and heat treatment was the incident of various particles in hydrogen plasma. Therefore, the suppressed corrosion phenomenon caused by plasma could not only be attributed to the function of high temperature but its synergistic effect with hydrogen isotope retention.

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Published

2023-11-01

How to Cite

Hengxin Guo, Zongbiao Ye, Li Yang, Yingwei Gao, Jianxing Liu, Wenna Jing, … Fujun Gou. (2023). Corrosion Resistance of Mo Capillary Porous Systems (CPSs) in High Temperature Liquid Sn through High-flux Hydrogen Plasmas Irradiated. Current Innovations in Chemical and Materials Sciences Vol. 2, 1–18. https://doi.org/10.9734/bpi/cicms/v2/7501A

Issue

Current Innovations in Chemical and Materials Sciences Vol. 2

Section

Chapters