Study of tritium and helium generation and release from lead-lithium eutectics Li15.7Pb under neutron irradiation

Abstract

This paper describes the experiments on study of tritium and helium generation and release processes from lead-lithium eutectics Li15.7Pb. The irradiation was performed at the IVG.1M research reactor at 6 MW of thermal power. The irradiation temperature increased step by step from 225 to 550 °C. A qualitative assessment of the experimental results showed that as the temperature rises above 390 °C, the tritium flux from the sample consisting of T ₂ and HT molecules decreases. It was concluded that the observed effect is similar to the previously observed one for lead-lithium eutectics with Li17Pb83 composition.

Original language	English
Journal	Fusion Engineering and Design
DOIs	https://doi.org/10.1016/j.fusengdes.2019.02.066
Publication status	Published - 1 Jan 2019

Keywords

Helium
Lead-Lithium eutectics
Neutron irradiation
Tritium

ASJC Scopus subject areas

Civil and Structural Engineering
Nuclear Energy and Engineering
Materials Science(all)
Mechanical Engineering

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10.1016/j.fusengdes.2019.02.066

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Study of tritium and helium generation and release from lead-lithium eutectics Li15.7Pb under neutron irradiation. / Kulsartov, Timur; Zaurbekova, Zhanna; Tazhibayeva, Irina; Ponkratov, Yuriy; Gnyrya, Vyacheslav; Kizane, Gunta; Nesterov, Evgeny ; Varlamova, Natalia.

In: Fusion Engineering and Design, 01.01.2019.

Research output: Contribution to journal › Article › peer-review

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abstract = " This paper describes the experiments on study of tritium and helium generation and release processes from lead-lithium eutectics Li15.7Pb. The irradiation was performed at the IVG.1M research reactor at 6 MW of thermal power. The irradiation temperature increased step by step from 225 to 550 °C. A qualitative assessment of the experimental results showed that as the temperature rises above 390 °C, the tritium flux from the sample consisting of T 2 and HT molecules decreases. It was concluded that the observed effect is similar to the previously observed one for lead-lithium eutectics with Li17Pb83 composition. ",

keywords = "Helium, Lead-Lithium eutectics, Neutron irradiation, Tritium",

author = "Timur Kulsartov and Zhanna Zaurbekova and Irina Tazhibayeva and Yuriy Ponkratov and Vyacheslav Gnyrya and Gunta Kizane and Evgeny Nesterov and Natalia Varlamova",

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T1 - Study of tritium and helium generation and release from lead-lithium eutectics Li15.7Pb under neutron irradiation

AU - Kulsartov, Timur

AU - Zaurbekova, Zhanna

AU - Tazhibayeva, Irina

AU - Ponkratov, Yuriy

AU - Gnyrya, Vyacheslav

AU - Kizane, Gunta

AU - Nesterov, Evgeny

AU - Varlamova, Natalia

PY - 2019/1/1

Y1 - 2019/1/1

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AB - This paper describes the experiments on study of tritium and helium generation and release processes from lead-lithium eutectics Li15.7Pb. The irradiation was performed at the IVG.1M research reactor at 6 MW of thermal power. The irradiation temperature increased step by step from 225 to 550 °C. A qualitative assessment of the experimental results showed that as the temperature rises above 390 °C, the tritium flux from the sample consisting of T 2 and HT molecules decreases. It was concluded that the observed effect is similar to the previously observed one for lead-lithium eutectics with Li17Pb83 composition.

KW - Helium

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KW - Neutron irradiation

KW - Tritium

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