Study on creep-fatigue life improvement and life evaluation of 316FR stainless steels.
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概要
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Creep ruptue and creep-fatigue interaction tests were coducted at 550°C for modified 316FR austenitic stainless steels in order to improve the creep-fatigue lives. Reducing the carbon contents from 0.01% to 0.002 or 0.003% and finning the grain size were effective for increasing the creep-fatigue lives and the creep rupture ductilities. From these results, an estimation method of the creep-fatigue lives by using the creep rupture ductilities in the modified 316FR steels was proposed.
- 一般社団法人 日本高圧力技術協会の論文