Low cycle fatigue properties of hydrogenated welding sheets of Zr–Sn–Nb alloy using funnel-shaped flat specimens

Lian-feng Wei; Chen Bao; Shi-zhong Wang; Yong Zheng; Meng-bin Zhou

doi:10.1016/j.net.2020.01.011

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자료유형: 학술저널

저자정보: Lian-feng Wei (Nuclear Power Institute of China) Chen Bao (Southwest Jiaotong University) Shi-zhong Wang (Nuclear Power Institute of China) Yong Zheng (Nuclear Power Institute of China) Meng-bin Zhou (Nuclear Power Institute of China)

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제52권 제8호

발행연도: 2020.8

수록면: 1,724 - 1,731 (8page)

DOI: 10.1016/j.net.2020.01.011

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Low cycle fatigue tests on the hydrogenated welding seam of ZreSneNb alloy at room temperature and 360 C had been carried out by using the funnel-shaped flat specimens. The relationships between nominal stress & strain directly measured across the funnel and local stress & strain at the root of the funnel are given by considering cyclic plasticity correction. The results show that the fatigue resistance of welding seam at room temperature is only slightly better than that at 360 C. Probabilistic fatigue life curves are obtained by using a two-parameter power function.

#Low cycle fatigue #Funnel-shaped flat specimen #Welding sheets #Zirconium alloy #Probabilistic fatigue life curves

참고문헌 (14)

참고문헌 신청

S. A. Nikulin / 2013 / Low-cycle fatigue tests of zirconium alloys using a dynamic mechanical analyzer / Int. J. Fatigue 48:187~191

S. A. Nikulin / 2018 / Effect of low hydrogenation on the low-cycle fatigue of zirconium alloy / Int. J. Fatigue 111:1~6

J. F. Martin / 1983 / Cyclic stress-strain and fatigue properties of sheet steel as affected by load spectra / J. Test. Eval 11(1):66~74

S. B. Wisner / 1994 / Fatigue behavior of irradiated and unirradiated zircaloy and zirconium / Tenth International Symposium. ASRLLDTM International

C. Li / 2003 / Cyclic stress-strain response of textured zircaloy-4 / J. Nucl. Mater 321:60~69

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