書誌事項
- タイトル別名
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- Reduction of Outgassing from the Ferrite Cores in the Kicker Magnet of J-PARC 3-GeV Rapid Cycling Synchrotron
- J-PARC 3 GeV シンクロトロン ニ オケル キッカー デンジシャク フェライトコア ノ ダツガス ショリ
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Kicker magnets are used to kick out the accelerated beam to the transport lines in the 3-GeV Rapid Cycling Synchrotron (RCS) of the Japan Proton Accelerator Complex (J-PARC). A high voltage is applied to kickers for a short period, so they must be installed in a vacuum to prevent discharge. Therefore, it is important to reduce the outgassing of water vapor from the ferrite cores. This time, we have decided to construct the reserve magnets with very low outgassing at high-voltage discharge. First of all, the thermal desorption behavior of the ferrite was investigated by thermal desorption spectroscopy (TDS). TDS spectra show two peaks of water vapor: at ∼100℃ and ∼300℃. Carbon dioxide is rather largely emitted with the peak around 275℃ and then decreases with the temperature. From these results, the ferrite cores were vacuum-fired at 450℃ for 48 h. Then the good properties for the magnetic cores were confirmed. And now the performances of the kicker magnet are examined.<br>
収録刊行物
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- Journal of the Vacuum Society of Japan
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Journal of the Vacuum Society of Japan 56 (5), 159-162, 2013
一般社団法人 日本真空学会
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詳細情報 詳細情報について
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- CRID
- 1390001205296200832
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- NII論文ID
- 10031169375
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- NII書誌ID
- AA12298652
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- BIBCODE
- 2013JVSJ...56..159O
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- COI
- 1:CAS:528:DC%2BC3sXps1Cqs70%3D
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- ISSN
- 18824749
- 18822398
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- NDL書誌ID
- 024669516
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可