QU Huapeng, ZHANG Hongliang, WANG Liubing, et al. Low-cycle Fatigue Properties Calculation and Life Prediction of Aging Strengthened X-750 Nickel-based alloyJ. Hot Working Technology, 2023, 52(8): 136-140. DOI: 10.14158/j.cnki.1001-3814.20181594
    Citation: QU Huapeng, ZHANG Hongliang, WANG Liubing, et al. Low-cycle Fatigue Properties Calculation and Life Prediction of Aging Strengthened X-750 Nickel-based alloyJ. Hot Working Technology, 2023, 52(8): 136-140. DOI: 10.14158/j.cnki.1001-3814.20181594
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    Low-cycle Fatigue Properties Calculation and Life Prediction of Aging Strengthened X-750 Nickel-based alloy

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    • The low cycle fatigue properties of 0Cr15Ni70Ti3AlNb(X-750)nickel-based alloy materials for reactor spring under aging hardening condition from room temperature to 650 ℃were studied.Manson-Coffin and Zheng Xiulin constitutive equations were used to calculate and analyze the fatigue performance data.The results show that, compared with the M-C classical relational expression, under the conditions of room temperature, 350 ℃, 500 ℃and 650 ℃, the Zheng Xiulin relational expression obtains higher fitting consistency.The predicting precision of the fatigue life of X-750 alloy by using zhengxiulin relation is higher.
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