高温構造設計基準におけるクリープ疲労寿命評価法の課題と現状
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概要
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Elevated Temperature Design Standards have been developed in many countries to be applied for the designing of components operated at high temperature such as fossil power plant, petroleum plant and fast breeder reactor. Dominant failure mode considered in these components is creep-fatigue crack initiation under cyclic thermal stress at elevated temperature. It is important to develop the estimation methods for strain behavior and strength under the nonlinear conditions to perform a rational design. This paper presents a comparison among creep-fatigue life prediction methods in representative design codes such as ASME Sec. III-NH in USA, BDS and DDS in Japan, R5 in UK and RCC-MR in France.
- 一般社団法人 日本高圧力技術協会の論文