林 正明
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BWR環境下で長期間使用されたニッケル基合金溶接部の応力腐食割れ事象から得られた知見に基づくき裂進展解析評価
著者:
青木 孝行,Takayuki AOKI,清水 禎人,Sadato SHIMIZU,宮崎 克雅,Katsumasa MIYAZAKI,林 正明,Masaaki HAYASHI,小林 広幸,Hiroyuki KOBAYASHI
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Alloy 182 Aspect Ratio Crack Growth Analysis Crack Model Ni-based Alloy Residual Stress Stress Analysis Stress Corrosion Cracking
青木 孝行,Takayuki AOKI,清水 禎人,Sadato SHIMIZU,宮崎 克雅,Katsumasa MIYAZAKI,林 正明,Masaaki HAYASHI,小林 広幸,Hiroyuki KOBAYASHI
発刊日:
公開日:
キーワードタグ:
Alloy 182 Aspect Ratio Crack Growth Analysis Crack Model Ni-based Alloy Residual Stress Stress Analysis Stress Corrosion Cracking
During the field work of the core shroud replacement project of Tsuruga power station unit 1 in December 1999, when it had almost 30 years operation experience since the commencement of commercial operation in March 1970, many cracks were detected visually at the shroud support to reactor pressure vessel (RPV) weld metal (Ni-based alloy: Alloy 182) and confirmed with penetrant testing as well as by metallographic observation. Almost all cracks were found to propagate in the axial direction of the RPV ...
英字タイトル:
Evaluation on Crack Growth Analysis Model based on the Knowledge obtained from Stress Corrosion Cracking in Ni-based Alloy used for a Long Time in a BWR
英字タイトル:
Evaluation on Crack Growth Analysis Model based on the Knowledge obtained from Stress Corrosion Cracking in Ni-based Alloy used for a Long Time in a BWR