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論文
AEによる円筒貯蔵タンクの腐食診断
著者:
長 秀雄,Hideo CHO,松尾 卓摩,Takuma MATSUO,竹本 幹男,Mikio TAKEMOTO
発刊日:
公開日:
キーワードタグ:
This study discusses what we can do for the corrosion monitoring of storage tanks by acoustic emission (AE) technique. AEs from rust fractures were monitored by AE sensors mounted on terrace of annular plate (annular sensor) and side wall (side wall sensor) using two AE systems developed by us (ADAS) and commercially available. Percentages of AE signal counts classified by eye-inspection were less than 10 % of the total events monitored by the ADAS and less than 0.92 % by the commercial AE system. Th...
英字タイトル:
Corrosion Monitoring of Cylindrical Storage Tank by Acoustic Emission
論文
ＰＷＲ容器の異種金属溶接部ECT検査手法の開発
著者:
浅田 義浩,Yoshihiro ASADA,徳久 貴一,Kiichi TOKUHISA,高次 正弥,Masaya TAKATSUGU,黒川 政秋,Masaaki KUROKAWA,川田　かよ子,Kayoko KAWATA,平野 伸朗,Shinro HIRANO,瀬良 健彦,Takehiko SERA
発刊日:
公開日:
キーワードタグ:
Eddy Current testing (ECT) for detecting stress corrosion cracks (SCCs) in the vessel's dissimilar metal weld of PWR plants was carried out. Appropriate ECT with a single cross-coil can detect shallow artificial SCCs with depth of 0.5mm or over. And magnetic saturation method is very effective for decreasing noise signals come from permeability change in the boundary region between overlay and buttering of safe-end....
英字タイトル:
Development of Eddy Current Testing Method for PWR Vessel’s Dissimilar Metal Weld
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