Progress of advanced material tokamak experiment (AMTEX) program on JFT-2M

Application testing of the low activation ferritic steel to plasma is in progress in the JFT-2M tokamak. The toroidal field ripple reduction with ferritic insertion between the vacuum vessel and the toroidal field coils (1st stage) was successfully demonstrated. So far, no deteriorating effects of f...

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Veröffentlicht in:Fusion engineering and design 2001-10, Vol.56, p.837-841
Hauptverfasser: Kimura, H, Sato, M, Kawashima, H, Isei, N, Tsuzuki, K, Ogawa, H, Ogawa, T, Miura, Y, Yamamoto, M, Shibata, T, Akiyama, T, Miyachi, K
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container_end_page 841
container_issue
container_start_page 837
container_title Fusion engineering and design
container_volume 56
creator Kimura, H
Sato, M
Kawashima, H
Isei, N
Tsuzuki, K
Ogawa, H
Ogawa, T
Miura, Y
Yamamoto, M
Shibata, T
Akiyama, T
Miyachi, K
description Application testing of the low activation ferritic steel to plasma is in progress in the JFT-2M tokamak. The toroidal field ripple reduction with ferritic insertion between the vacuum vessel and the toroidal field coils (1st stage) was successfully demonstrated. So far, no deteriorating effects of ferritic boards (FBs) inside the vacuum vessel has been observed in the pre-testing on compatibility with plasma (2nd stage). The density limit was improved by more than a factor of 1.6 after boronization with inside FBs. Design and preparation works are in progress for the testing on compatibility with plasma (3rd stage), where inside wall of the vacuum vessel will be fully covered with ferritic steel.
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source ScienceDirect Journals (5 years ago - present)
subjects Applied sciences
Controled nuclear fusion plants
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Ferrites
Ferritic steel
Installations for energy generation and conversion: thermal and electrical energy
Machine design
Plasma
Plasma applications
Plasma density
Steel
Tokamak
Toroidal field coils
title Progress of advanced material tokamak experiment (AMTEX) program on JFT-2M
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