Material behavior on heat loading and hydrogen penetration of vacuum plasma spray tungsten coatings on reduced activation ferritic/martensitic steel

Kazutoshi Tokunaga; Tomohiro Hotta; Teppei Otsuka; Akira Kobayashi; Kuniaki Araki; Yoshio Miyamoto; Tadashi Fujiwara; Makoto Hasegawa; Kazuo Nakamura; Koichiro Ezato; Satoshi Suzuki; Mikio Enoeda; Masato Akiba; Takuya Nagasaka; Ryuta Kasada; Akihiko Kimura

doi:10.2207/qjjws.31.183s

Kazutoshi Tokunaga, Tomohiro Hotta, Teppei Otsuka, Akira Kobayashi, Kuniaki Araki, Yoshio Miyamoto, Tadashi Fujiwara, Makoto Hasegawa, Kazuo Nakamura, Koichiro Ezato, Satoshi Suzuki, Mikio Enoeda, Masato Akiba, Takuya Nagasaka, Ryuta Kasada, Akihiko Kimura

Author information

Kazutoshi Tokunaga
Research Institute for Applied Mechanics, Kyushu University
Tomohiro Hotta
Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
Teppei Otsuka
Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
Akira Kobayashi
Joining and Welding Research Institute, Osaka University
Kuniaki Araki
Research Institute for Applied Mechanics, Kyushu University
Yoshio Miyamoto
Research Institute for Applied Mechanics, Kyushu University
Tadashi Fujiwara
Research Institute for Applied Mechanics, Kyushu University
Makoto Hasegawa
Research Institute for Applied Mechanics, Kyushu University
Kazuo Nakamura
Research Institute for Applied Mechanics, Kyushu University
Koichiro Ezato
Japan Atomic Energy Agency
Satoshi Suzuki
Japan Atomic Energy Agency
Mikio Enoeda
Japan Atomic Energy Agency
Masato Akiba
Japan Atomic Energy Agency
Takuya Nagasaka
National Institute for Fusion Science
Ryuta Kasada
Institute of advanced Energy, Kyoto University
Akihiko Kimura
Institute of advanced Energy, Kyoto University

Keywords: Tungsten, Coating, Ferritic steel, Plasma spray, Tritium

JOURNAL FREE ACCESS

2013 Volume 31 Issue 4 Pages 183s-187s

DOI https://doi.org/10.2207/qjjws.31.183s

Details

Abstract

Tungsten coating with a thickness of 0.6 mm on reduced-activation ferritic/martensitic steel (RAF/M) F82H (Fe-8Cr-2W) have been produced by Vacuum Plasma Spraying (VPS). Heat flux experiments using an electron beam and quantitative analyses about temperature profiles and thermal stress using FEM have been carried out on the VPS-W coated F82H. In addition, behavior of hydrogen penetration/permeation on the VPS-W coated F82H has been investigated by the tritium (T) tracer technique.

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