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A sectional critical plane model for multiaxial high-cycle fatigue life prediction
  • +3
  • Xinxin Qi,
  • Tianqi Liu,
  • Xinhong Shi,
  • Jiaying Wang,
  • Jianyu Zhang,
  • Binjun FEI
Xinxin Qi
Beihang University

Corresponding Author:[email protected]

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Tianqi Liu
Beihang University
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Xinhong Shi
Beihang University
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Jiaying Wang
Shenyang Aircraft Design and Research Institute
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Jianyu Zhang
Chongqing University
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Binjun FEI
Beihang University
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Abstract

A stress-based sectional critical plane model for multiaxial fatigue life prediction is proposed. The proposed model considers the effects of material properties and loading paths on the crack initiation and propagation behaviors. By introducing the ratio of maximum shear stress amplitude to maximum normal stress amplitude, it is divided into three sections in which the maximum normal stress plane, maximum damage plane and maximum shear stress amplitude plane are considered as the critical planes, respectively. To verify the accuracy and applicability of the proposed model, experimental data of 30CrMnSiA steel conducted by the authors and other test data of different materials from the existing literatures are utilized. For 30CrMnSiA steel, the prediction results of the proposed model demonstrate that 79.3% and 93.7% of the prediction results are within the ±2 times and ±3 times scatter band of fatigue life. For the experimental data from the existing literatures, more than 85% and 70% of the results predicted by the proposed model are within ±3 times scatter band of fatigue life for steel and aluminum alloy materials, respectively.
28 Jun 2020Submitted to Fatigue & Fracture of Engineering Materials & Structures
30 Jun 2020Submission Checks Completed
30 Jun 2020Assigned to Editor
05 Jul 2020Reviewer(s) Assigned
31 Jul 2020Review(s) Completed, Editorial Evaluation Pending
06 Aug 2020Editorial Decision: Revise Major
13 Oct 20201st Revision Received
16 Oct 2020Submission Checks Completed
16 Oct 2020Assigned to Editor
16 Oct 2020Reviewer(s) Assigned
03 Nov 2020Review(s) Completed, Editorial Evaluation Pending
06 Nov 2020Editorial Decision: Accept
12 Dec 2020Published in Fatigue & Fracture of Engineering Materials & Structures. 10.1111/ffe.13386