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The reliability of the system canbe improved by reviewing the failure events of the system caused by high radiation. A failure mode andeffects analysis (FMEA) identified failure modes and determined that lubricants, O-rings, and electricinsulation cables were the dominant components affecting radiation hardness. Accordingly, we tried tooptimize the lubricants and cables of the AC servo motors by using polyphenyl ether (PPE)-based greaseand polyether ether ketone (PEEK), respectively. Materials containing radiation protective agents werealso selected for the cable sheaths and O-rings to improve radiation hardness. Gamma ray irradiation tests were performed on these components and as a result, a radiation hardness of 8 MGy was achievedfor the AC servo motors. 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Development of radiation hard components for ITER blanket remote handling system
https://repo.qst.go.jp/records/48252
https://repo.qst.go.jp/records/482529ebbf1f9-7e4e-445b-b06f-5f36e8f56987
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-07-31 | |||||
タイトル | ||||||
タイトル | Development of radiation hard components for ITER blanket remote handling system | |||||
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_6501 | |||||
資源タイプ | journal article | |||||
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 |
齋藤, 真貴子
× 齋藤, 真貴子× 丸山, 孝仁× 野口, 悠人× 上野, 健一× 武田, 信和× 角舘, 聡× 齋藤 真貴子× 丸山 孝仁× 野口 悠人× 上野 健一× 武田 信和× 角舘 聡 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | tThe ITER blanket remote handling system (BRHS) will be operated in a high radiation environment(250 Gy/h max.) and must stably handle the blanket modules, which weigh 4.5 t and are more than1.5 m in length, with a high degree of position and posture accuracy. The reliability of the system canbe improved by reviewing the failure events of the system caused by high radiation. A failure mode andeffects analysis (FMEA) identified failure modes and determined that lubricants, O-rings, and electricinsulation cables were the dominant components affecting radiation hardness. Accordingly, we tried tooptimize the lubricants and cables of the AC servo motors by using polyphenyl ether (PPE)-based greaseand polyether ether ketone (PEEK), respectively. Materials containing radiation protective agents werealso selected for the cable sheaths and O-rings to improve radiation hardness. Gamma ray irradiation tests were performed on these components and as a result, a radiation hardness of 8 MGy was achievedfor the AC servo motors. On the other hand, to develop the radiation hardness and BRHS compatibility furthermore, the improvement of materials of cable and O ring were performed. | |||||
書誌情報 |
Fusion Engineering and Design 巻 109-111, 号 B, p. 1502-1506, 発行日 2016-11 |
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DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.fusengdes.2015.11.042 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://ac.els-cdn.com/S0920379615303720/1-s2.0-S0920379615303720-main.pdf?_tid=9acbe5c2-28b2-11e7-a6cb-00000aacb35d&acdnat=1493013508_594edb36c5684d246e007ef62b54802b | |||||
関連名称 | http://ac.els-cdn.com/S0920379615303720/1-s2.0-S0920379615303720-main.pdf?_tid=9acbe5c2-28b2-11e7-a6cb-00000aacb35d&acdnat=1493013508_594edb36c5684d246e007ef62b54802b |