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Based on the results for cylindrical specimens in low-cycle symmetrical load-controlled fatigue tests, the behavior of nickel based heat resistant high strength Inconel 718 alloy (Russian mark of the alloy is ХН45МВТЮБР-ИД) cyclic creep at room temperature was investigated. The boundary for the beginning of cyclic creep under symmetric loading has been detected. A simplified method for cyclic creep ultimate strain εp,f, especially convenient for technical applications that are used under constant cyclic conditions, is proposed.

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Cyclic Creep of Inconel 718 Alloy at Symmetric Low-Cycle Fatigue Under Load Control

  • 会议论文

  • 发表日期：

    2025年

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  • Enver I. Mansyrev,
  • Anton V. Emelyanov,
  • Dmitry E. Mansyrev

摘要

Based on the results for cylindrical specimens in low-cycle symmetrical load-controlled fatigue tests, the behavior of nickel based heat resistant high strength Inconel 718 alloy (Russian mark of the alloy is ХН45МВТЮБР-ИД) cyclic creep at room temperature was investigated. The boundary for the beginning of cyclic creep under symmetric loading has been detected. A simplified method for cyclic creep ultimate strain εp,f, especially convenient for technical applications that are used under constant cyclic conditions, is proposed.