발간논문

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Vol.6, No.3, 153 ~ 156, 1968
Title
The Fatigue Strength of Nickel corroded by Neutron Irradiation
맹선재Sun Chae Maeng, 최형섭Hyung Sup Choi, 김인섭In Sup Kim
Abstract
In the present study, fatigue strength of corroded nickel was examined after irradiation in a TRIGA-II reactor. Before the fatigue test, the samples which has been placed in distilled water were irradiated with the total neutron dosage of 4.6×10^(18) nvt (1.6×10^(18) nvt of fast neutrons and 3.0×10^(18) nvt of thermal neutrons) for ten months. The experimental result showed that the irradiated samples decrease about 10% in fatigue strength as compared to the control samples. This may be due to the formation of fatigue cracks at the grain boundaries caused by intergranular corrosion.
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