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Damage-based low cycle fatigue lifetime prediction of nickel-based single crystal superalloy considering anisotropy and dwell types
  • +4
  • Bin Zhang,
  • Rongqiao Wang,
  • Dianyin Hu,
  • Kanghe Jiang,
  • Xinyi Hao,
  • Jianxing Mao,
  • Fulei Jing
Bin Zhang

Corresponding Author:[email protected]

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Rongqiao Wang
Beihang University
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Dianyin Hu
Beihang University
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Kanghe Jiang
Aero Engine Corporation of China
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Xinyi Hao
Beihang University
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Jianxing Mao
Beihang University
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Fulei Jing
Aero Engine Corporation of China
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Abstract

Based on the physical phenomenon that the fatigue cracks initiate along specific slip plane, a slip plane damage based low cycle fatigue (LCF) lifetime model for the nickel- based single crystal superalloy is established. The predicted results indicate that the lifetime model can reflect the orientation effect. In addition, in order to characterize the dwell time dependence of the LCF lifetime, creep damage and compression-creep damage are introduced to the lifetime model. Finally, the lifetime predictions under LCF loading with tensile dwell time, compressive dwell time and LCF with tensile-compressive dwell time are conducted by employing the lifetime mode, respectively. The predicted lifetimes show a good agreement with the experimental data, which verifies the accuracy of the developed lifetime model in this paper.
08 Jun 2020Submitted to Fatigue & Fracture of Engineering Materials & Structures
08 Jun 2020Submission Checks Completed
08 Jun 2020Assigned to Editor
12 Jun 2020Reviewer(s) Assigned
22 Jul 2020Review(s) Completed, Editorial Evaluation Pending
24 Jul 2020Editorial Decision: Revise Minor
01 Aug 20201st Revision Received
03 Aug 2020Submission Checks Completed
03 Aug 2020Assigned to Editor
08 Aug 2020Reviewer(s) Assigned
14 Aug 2020Review(s) Completed, Editorial Evaluation Pending
18 Aug 2020Editorial Decision: Revise Minor
20 Aug 20202nd Revision Received
20 Aug 2020Submission Checks Completed
20 Aug 2020Assigned to Editor
22 Aug 2020Review(s) Completed, Editorial Evaluation Pending
23 Aug 2020Editorial Decision: Accept
06 Sep 2020Published in Fatigue & Fracture of Engineering Materials & Structures. 10.1111/ffe.13345