Low cycle fatigue and creep-fatigue interaction behavior of 2.25CrMoV steel at high temperature

Chen, Furen; Zhang, Wei; Zhang, Kaihao; Yang, Qiaofa; Wang, Xiaoxiao; Zhou, Changyu

doi:10.1016/j.jmrt.2023.12.233

Journal of Materials Research and Technology

2024

DOI: 10.1016/j.jmrt.2023.12.233

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Low cycle fatigue and creep-fatigue interaction behavior of 2.25CrMoV steel at high temperature

Furen Chen,

Wei Zhang,

Kaihao Zhang

et al.

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Study on Low‐Cycle Fatigue Behavior and Life Prediction of Cr–Ni–Mo–V Gun Steel at Room Temperature and 600 °C

Zhao,

Jia,

Zhao

et al. 2024

Fatigue Fract Eng Mat Struct

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In this paper, the low‐cycle fatigue fracture behavior and life prediction of Cr–Ni–Mo–V gun steel at room temperature and 600 °C are studied. The results indicated that at room temperature and 600 °C, the Cr–Ni–Mo–V gun steel exhibited obvious monotonic softening and cyclic softening. This behavior could be attributed to the formation of dislocation networks, dislocation walls, dynamic recovery, and dynamic recrystallization. As the temperature increased, the failure mode gradually shifted from mixed transgranular and intergranular fractures to intergranular fractures possibly owing to the reduced grain boundary strength and easy oxidation of the grain boundary at high temperatures. In addition, the fatigue life prediction model considering the influence of temperature is established by using the energy dissipation quadratic function, offering a practical method to improve the fatigue performance evaluation of Cr–Ni–Mo–V gun steel at various temperature.

show abstract

Study on Low‐Cycle Fatigue Behavior and Life Prediction of Cr–Ni–Mo–V Gun Steel at Room Temperature and 600 °C

Zhao,

Jia,

Zhao

et al. 2024

Fatigue Fract Eng Mat Struct

View full text Add to dashboard Cite

show abstract

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Low cycle fatigue and creep-fatigue interaction behavior of 2.25CrMoV steel at high temperature

Cited by 1 publication

References 50 publications

Study on Low‐Cycle Fatigue Behavior and Life Prediction of Cr–Ni–Mo–V Gun Steel at Room Temperature and 600 °C

Study on Low‐Cycle Fatigue Behavior and Life Prediction of Cr–Ni–Mo–V Gun Steel at Room Temperature and 600 °C

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