Transcript
Page 1: Japan Atomic Energy AgencyCorrosion Cracking (IASCC) of light-water-reactor internals, development of the fusion blanket, basic materials researches, radioisotope production, and so
Page 2: Japan Atomic Energy AgencyCorrosion Cracking (IASCC) of light-water-reactor internals, development of the fusion blanket, basic materials researches, radioisotope production, and so

本レポートは日本原子力研究開発機構が不定期に発行する成果報告書です。 本レポートの入手並びに著作権利用に関するお問い合わせは、下記あてにお問い合わせ下さい。 なお、本レポートの全文は日本原子力研究開発機構ホームページ(http://www.jaea.go.jp/index.shtml) より発信されています。このほか財団法人原子力弘済会資料センター*では実費による複写頒布を行っ ております。 〒319-1195 茨城県那珂郡東海村白方白根 2 番地 4 日本原子力研究開発機構 研究技術情報部 研究技術情報課 電話 029-282-6387, Fax 029-282-5920 *〒319-1195 茨城県那珂郡東海村白方白根 2 番地 4 日本原子力研究開発機構内 This report is issued irregularly by Japan Atomic Energy Agency Inquiries about availability and/or copyright of this report should be addressed to Intellectual Resources Section, Intellectual Resources Department, Japan Atomic Energy Agency 2-4 Shirakata Shirane, Tokai-mura, Naka-gun, Ibaraki-ken 319-1195 Japan Tel +81-29-282-6387, Fax +81-29-282-5920

© Japan Atomic Energy Agency, 2008

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311-1393 4002

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Annual Report of JMTR FY2006

(April 1, 2006 - March 31, 2007)

Department of JMTR Operation

Neutron Irradiation and Testing Reactor Center Oarai Research and Development Center

Japan Atomic Energy Agency Oarai-machi, Higashiibaraki-gun, Ibaraki-ken

(Received January15,2008)

During the FY2006 (April 2006 to March 2007), the Japan Materials Testing Reactor (JMTR) was operated for three operation cycles from 162nd cycle to 165th cycle. Various irradiation tests and post-irradiation examinations (PIEs) were performed for studies on Irradiation Assisted Stress Corrosion Cracking (IASCC) of light-water-reactor internals, development of the fusion blanket, basic materials researches, radioisotope production, and so on. The operation was stopped by 165th cycle according to schedule. And maintenance work and preservation work of the facilities has been started for the refurbishment of the JMTR. Renewal of equipments and aging management of equipments and reactor facilities were carried out according to long-term maintenance plan which was based on periodical evaluation related to maintenance and safety management of reactor facilities. Regarding development on irradiation techniques, the in-situ irradiation tests using load control unit which was developed for in-pile SCC tests of IASCC studies were finished. At the hot laboratory, PIEs for the Radiation Induced Surface Activation (RISA) capsule were performed with the X-ray diffract meter which was moved from the Nuclear Science Research Institute.

Under the Arrangement for the Implementation of Cooperative Research Program between the JAEA and the Korea Atomic Energy Research Institute (KAERI), mutual exchange was conducted for information exchange of irradiation and PIE techniques. As for the refurbishment and restart of JMTR, contents of the midterm targets were changed according to unofficial notification of budget in FY2007 by the Ministry of Finance. And it was officially decided to start refurbishment work at FY2007 for restart of the JMTR in FY2011.

Keywords: JMTR, Irradiation, Post-irradiation Examination, IASCC

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1 -----------------------------------------------------------------------------------------

2 JMTR ---------------------------------------------------------------------------------------2.1 ------------------------------------------------------------------2.2 ---------------------------------------------------------------2.3 ------------------------------------------------------------2.4 ---------------------------------------------------------------------------

3 JMTR ------------------------------------------------------------------------------------------3.1 ---------------------------------------------------------------3.2 ---------------------------------------------------------------

4 JMTR -----------------------------------------------------4.1 ----------------------------------------------------------------------

5 -------------------------------------------------------------------------------------------------5.1 ------------------------------------------------

-----------------------------------------------------------------------------------------

1 -------------------------------------------------------------2 ----------------------------------------------------------------------------3 ------------------------------------------------------------------------4 -------------------------------------------------------------5 ----------------------------------------6 -------------------------------------------------------------

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iv

Contents1 Outline ----------------------------------------------------------------------------------------------- 12 Operation and Management ----------------------------------------------------------------------- 2

2.1 Reactor Facility -------------------------------------------------------------------------------- 22.2 Irradiation Facility --------------------------------------------------------------------------- 10 2.3 Hot Laboratory ------------------------------------------------------------------------------- 13 2.4 Radiation Monitoring ----------------------------------------------------------------------- 17

3 Utilization of JMTR ------------------------------------------------------------------------------ 21 3.1 Irradiation Tests ------------------------------------------------------------------------------ 21 3.2 Post-irradiation Examinations -------------------------------------------------------------- 24

4 Development on Techniques for Irradiation Utilization -------------------------------------- 32 4.1 Techniques for Post Irradiation Examinations -------------------------------------------- 32

5 International Cooperation ------------------------------------------------------------------------ 34 5.1 JAEA-KAERI Cooperative Research Program on Post Irradiation examination techniques-- 34

Postscript ----------------------------------------------------------------------------------------------- 35 Appendix1 Organization of Department of JMTR ----------------------------------------------- 36 Appendix2 Publication and Presentations -------------------------------------------------------- 37 Appendix3 JAEA Publication Reports ----------------------------------------------------------- 38 Appendix4 License and Approval Granted by the Regulatory Authority --------------------- 39 Appendix5 News Release -------------------------------------------------------------------------- 40 Appendix6 Trouble Reports ------------------------------------------------------------------------ 41

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No.2 No.8

2006 7 1410 26 11 13 12 13

No.2 12 612 13 6

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