Evaluation of hydrogen retention behavior in tungsten exposed to hydrogen plasma in QUEST

Evaluation of hydrogen retention behavior in tungsten exposed to hydrogen plasma in QUEST

The W (tungsten) samples were placed at Top, Equator and Bottom plasma facing walls of QUEST (Q-shu University Experiment with Steady-State-Spherical Tokamak) device and exposed to 754 shots of hydrogen plasma during 2017A/W (Autumn/Winter) campaign. Thereafter, their surface morphologies and chemic...

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Bibliographic Details
Main Authors: Ayaka Koike, Moeko Nakata, Shota Yamazaki, Takuro Wada, Fei Sun, Mingzhong Zhao, Naoaki Yoshida, Kazuaki Hanada, Yasuhisa Oya
Format: Article
Language:English
Published: Elsevier 2021-03-01
Series:Nuclear Materials and Energy
Subjects:
Hydrogen isotope retention
Tungsten
Deposition layer
Plasma exposure
QUEST
Online Access:http://www.sciencedirect.com/science/article/pii/S235217912030123X

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