Effects of V-N Microalloying on Low-Cycle Fatigue Property in the Welded Joints of Constructional Steel
Kaiyu Cui,
Haifeng Yang,
Zhengrong Li
et al.
Abstract:Low-cycle fatigue testing was carried out for the welded joints of constructional steels containing 0% V + 0.0021% N and 0.10% V + 0.0078% N, and the effects of V-N microalloying on the low-cycle fatigue property of the welded joints were investigated. The results showed that when the total strain amplitudes were 1.2%, 1.4% and 1.6%, the mean low-cycle fatigue lives of the welded joints of steel containing 0.10% V + 0.0078% N were 5050, 2372 and 1535 cycles, respectively, which were significantly higher than t… Show more
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