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Surface morphology of the bulk tungsten divertor tiles  from JET ITER‐like wall

https://repo.qst.go.jp/records/79426
https://repo.qst.go.jp/records/79426
298ba6c7-8513-40b8-b551-7381deb703bc
Item type 会議発表用資料 / Presentation(1)
公開日 2020-03-13
タイトル
タイトル Surface morphology of the bulk tungsten divertor tiles  from JET ITER‐like wall
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_c94f
資源タイプ conference object
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 M. Tokitani

× M. Tokitani

WEKO 852279

M. Tokitani

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M. Miyamoto

× M. Miyamoto

WEKO 852280

M. Miyamoto

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S. Masuzaki

× S. Masuzaki

WEKO 852281

S. Masuzaki

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Y. Hatano

× Y. Hatano

WEKO 852282

Y. Hatano

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S.E.,  Lee

× S.E.,  Lee

WEKO 852283

S.E.,  Lee

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Y. Oya

× Y. Oya

WEKO 852284

Y. Oya

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T. Otsuka

× T. Otsuka

WEKO 852285

T. Otsuka

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Oyaizu, Makoto

× Oyaizu, Makoto

WEKO 852286

Oyaizu, Makoto

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Kurotaki, Hironori

× Kurotaki, Hironori

WEKO 852287

Kurotaki, Hironori

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T. Suzuki

× T. Suzuki

WEKO 852288

T. Suzuki

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Hamaguchi, Dai

× Hamaguchi, Dai

WEKO 852289

Hamaguchi, Dai

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Hayashi, Takumi

× Hayashi, Takumi

WEKO 852290

Hayashi, Takumi

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Asakura, Nobuyuki

× Asakura, Nobuyuki

WEKO 852291

Asakura, Nobuyuki

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A. Widdowson

× A. Widdowson

WEKO 852292

A. Widdowson

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S. Jachmich

× S. Jachmich

WEKO 852293

S. Jachmich

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M. Rubel

× M. Rubel

WEKO 852294

M. Rubel

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Oyaizu, Makoto

× Oyaizu, Makoto

WEKO 852295

en Oyaizu, Makoto

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Kurotaki, Hironori

× Kurotaki, Hironori

WEKO 852296

en Kurotaki, Hironori

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Hamaguchi, Dai

× Hamaguchi, Dai

WEKO 852297

en Hamaguchi, Dai

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Hayashi, Takumi

× Hayashi, Takumi

WEKO 852298

en Hayashi, Takumi

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Asakura, Nobuyuki

× Asakura, Nobuyuki

WEKO 852299

en Asakura, Nobuyuki

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抄録
内容記述タイプ Abstract
内容記述 Surface characterization of bulk tungsten tiles (W lamellae) used during the first campaign of JET with the ITER-Like Wall (JET-ILW) was performed by means of microscopy and tritium imaging techniques. This is the first report regarding very detailed structural studies of W lamellae from the JET-ILW divertor. A special feature of the W lamellae installed in JET is the intrinsic network of micro-cracks detected on surfaces of the as-manufactured material. Analyses of different W lamellae samples on the plasma facing surface reveal two types of surface structures caused by plasma impact: areas with strong erosion and regions of mild plasma interaction. In regions of strong erosion, a thin modified layer (thickness of ~20 nm) with a high density of defects including bubble-like structures has been formed. In addition, features indicating melting along edges of micro-cracks with the micro-scale plastic deformation have been identified.
会議概要(会議名, 開催地, 会期, 主催者等)
内容記述タイプ Other
内容記述 17th International Conference on Plasma-Facing Materials and Components for Fusion Applications
発表年月日
日付 2019-05-23
日付タイプ Issued
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Ver.1 2023-05-15 18:15:32.971249
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