論文
原子炉再循環系配管への超音波探傷試験実施・評価に関するノウハウ
著者:
清水 敬輔,Keisuke SHIMIZU,設楽 親,Chikashi SHITARA,小林 輝男,Teruo KOBAYASHI,山下 理道,Norimichi YAMASHITA,岡田 亮兵,Ryohei OKADA,稲垣 哲彦,Tetsuhiko INAGAKI,中田 親秀,Chikahide NAKADA,長松 弘幸,Hiroyuki NAGAMATSU,近畑 英之,Hideyuki CHIKAHATA,山本 幸司,Koji YAMAMOTO,枡 明彦,Akihiko MASU,牧原 善次,Zenji MAKIHARA,高津 光志,Mitsushi TAKATSU,岩田 潔,Kiyoshi IWATA,東海林 一,Hajime SHOHJI
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After 2002, Stress Corrosion Cracking (SCC) came to be detected in the low carbon stainless steel PLR Piping of BWR plants. However, it worked on the improvement of ultrasonic examination technology for PLR Piping in Japan BWR Owners Group (JBOG) , because the mistake of the evaluation was caused as a rare case. In this study, it introduces the improvement of ultrasonic testing technology and evaluation....
英字タイトル:
Know-How for the Ultrasonic Examination Practice & Evaluation of PLR Piping
第7回
水中レーザクラッド溶接工法に関するガイドライン
著者:
末園 暢一,Nobuichi SUEZONO,元良 裕一,Yuuichi MOTORA,坂下 彰浩,Akihiro SAKASHITA,岡田 亮兵,Ryohei OKADA
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JANTI Guideline on underwater laser beam clad welding for preventive maintenance against SCC was published. This paper introduces the summary of that guideline. Underwater laser beam welding has good advantages for the repair and mitigation work for operating nuclear plants' reactor internals. Since it does not need to drain the water from RPV, preparation before the work can be very concise, and dose rate that workers suffer can be controlled in very low level. And heat input during the welding procedure ...
英字タイトル:
Guideline on Underwater Laser Beam Clad Welding for preventive maintenance
第5回
炉内構造物等点検評価ガイドラインにおける補修・取替・予防保全の考え方について
著者:
坂下 彰浩,Akihiro SAKASHITA,岡田 亮兵,Ryohei OKADA,吉田 裕彦,Yasuhiko YOSHIDA,木村 賢之,Kenji KIMURA,堂崎 浩二,Koji DOZAKI
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Inspection and Evaluation Guidelines for reactor internals has been taken into the Rules on Fitness-for-Service for Nuclear Power Plants of The Japa n Society of Mechanical Engineers. Now, It is a base of the maintenance plan of each Nuclear Power Plant. In the maintenance in the future, Inspecti on for the structures after repair, the replacement and the preventive maintenance becomes important. This paper introduces the systematization and the idea of the repair, the replacement and the preventive maint...
英字タイトル:
The systematization and the idea of the repair, the replacement and the preventive maintenance in the Inspection and Evaluation Guidelines for Light Water Reactor Internals.