1710 PWRプラントの高経年対策における環境疲労評価(OS17-3 低サイクル疲労とその応用-規格化、多軸・異方性の検討-)

概要

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Numbers of nuclear power plants have been operating for more than 30 years and some of them exceeding 40 years in Japan. In these ageing plants, fatigue evaluation has a significant measure in assuring the plant reliability. The environmental fatigue in light water reactors, which was first recognized in the 1980's in Japan, has been drawing attention worldwide because it may cause remarkable effects on the life of important components. This paper introduces a few examples of environmental fatigue evaluation, which was performed using the JSME codes as a part of PLM evaluation for Japanese PWR plant.
一般社団法人日本機械学会の論文
2010-10-09