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정일석(I.S. Jeong),김상재(S.J. Kim),이용성(Y.S. Lee),송택호(T.H. Song),홍승열(S.Y. Hong) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.11
For developing fatigue design curve of cast stainless steels that would be used in piping material of domestic nuclear power plants, a low-cycle fatigue test rig was built. It is capable of performing tests in pressurized high temperature water environment of PWR. Cylindrical specimens of CF8M were used for the strain-controlled environmental fatigue tests. Fatigue life was measured in terms of the number of cycles with the variation of strain amplitude at 0.04%/s strain rates. The disparity between target length and measured length of specimens was corrected by using finite element method. The corrected test results showed similar fatigue life trend with another previous results.