Low cycle fatigue properties of CLAM steel at room temperature

Xue Hu, Lixin Huang, Wanggen Wang, Zhenguo Yang, Wei Sha, Wei Wang, Wei Yan, Yiyin Shan

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    The low cycle fatigue (LCF) properties and the fracture behavior of China Low Activation Martensitic (CLAM) steel have been studied over a range of total strain amplitudes from 0.2 to 2.0%. The specimens were cycled using tension-compression loading under total strain amplitude control. The CLAM steel displayed initial hardening followed by continuous softening to failure at room temperature in air. The relationship between strain and fatigue life was predicted using the parameters obtained from fatigue test. The factors effecting on low cycle fatigue of CLAM steel consisted of initial state of matrix dislocation arrangement, magnitude of cyclic stress, magnitude of total strain amplitude and microstructure. The potential mechanisms controlling the stress response, cyclic strain resistance and low cycle fatigue life have been evaluated.
    Original languageEnglish
    Pages (from-to)3050–3059
    Number of pages10
    JournalFusion Engineering and Design
    Issue number11
    Early online date28 Aug 2013
    Publication statusPublished - Nov 2013


    • Reduced activation ferritic-martensitic steel
    • CLAM steel
    • Low cycle fatigue
    • Fracture

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    Hu, X., Huang, L., Wang, W., Yang, Z., Sha, W., Wang, W., Yan, W., & Shan, Y. (2013). Low cycle fatigue properties of CLAM steel at room temperature. Fusion Engineering and Design, 88(11), 3050–3059. https://doi.org/10.1016/j.fusengdes.2013.08.001