Fracture and Structural Integrity e-ISSN 1971-8993 Open access
Fatigue and Fracture of metallic alloys Vol. 19, No. 74 (2025)

Very High Cycle Fatigue (VHCF) of notched specimens: a review

Author and affiliation details
  • Paolo Zuliani Corresponding author Politecnico di Torino, Department of Mechanical and Aereospace Engineering, Torino, 10129, Italy ORCID iD0009-0002-5807-9260 s329648@studenti.polito.it
  • Carlo Boursier Niutta Politecnico di Torino, Department of Mechanical and Aereospace Engineering, Torino, 10129, Italy ORCID iD0000-0002-7894-4752
  • Davide Salvatore Paolino Politecnico di Torino, Department of Mechanical and Aereospace Engineering, Torino, 10129, Italy
  • Filippo Berto Department of Chamical Engineering, Materials and Environment, Università La Sapienza, 00185, Roma, Italy
  • Andrea Tridello Politecnico di Torino, Department of Mechanical and Aereospace Engineering, Torino, 10129, Italy
DOI
10.3221/IGF-ESIS.74.24
Pages
385-414
Published
Licence
CC BY 4.0
Published inVol. 19, No. 74 (2025)Go to the issue

Abstract

A large number of mechanical components are subjected to fatigue loading beyond 106 cycles. The VHCF behaviour of smooth specimens has been extensively investigated in the recent years, even if more efforts are necessary to reveal the mecahnism governing failures. On the other hand, the influence of notches in the VHCF regime remains relatively unexplored. In the present review, the available studies on the VHCF behaviour of notched components have been analysed and compared.

The review highlights that  multiple approaches for accounting for the stress concentration introduced by notches are available in the literature and that notches alter the failure mechanisms compared to smooth specimens. In general, a model for the design of complex structures against VHCF failures and with notches/geometric discontinuities is missing, and more experimental data for different materials are to be obtained to prove the validity of the approaches already available in the literature or employed for the High Cycle Fatigue (HCF) life range. Moreover, since the ultrasonic fatigue testing machines are mainly used for the tests, different definitions for the stress concentration factors have been found in the literature, since, with these types of tests, the stress distribution within the specimen depends on the wave propagation and on the resonance condition.

Keywords

Article history

  1. ReceivedUntil the next stage: 5 days
  2. RevisedUntil the next stage: 1 day
  3. AcceptedUntil the next stage: 10 days
  4. Published

How to cite

APA

Zuliani, P., Boursier Niutta, C., Paolino, D. S., Berto, F., & Tridello, A. (2025). Very High Cycle Fatigue (VHCF) of notched specimens: a review. Fracture and Structural Integrity, 19(74), 385–414. https://doi.org/10.3221/IGF-ESIS.74.24

IEEE

P. Zuliani, C. Boursier Niutta, D. S. Paolino, F. Berto, and A. Tridello, “Very High Cycle Fatigue (VHCF) of notched specimens: a review,” Fracture and Structural Integrity, vol. 19, no. 74, pp. 385–414, 2025, doi: 10.3221/IGF-ESIS.74.24.

MLA

Zuliani, Paolo, et al. “Very High Cycle Fatigue (VHCF) of notched specimens: a review.” Fracture and Structural Integrity, vol. 19, no. 74, 2025, pp. 385–414. https://doi.org/10.3221/IGF-ESIS.74.24.

Chicago

Zuliani, Paolo, Carlo Boursier Niutta, Davide Salvatore Paolino, Filippo Berto, and Andrea Tridello. 2025. “Very High Cycle Fatigue (VHCF) of notched specimens: a review.” Fracture and Structural Integrity 19 (74): 385–414. https://doi.org/10.3221/IGF-ESIS.74.24.

Harvard

Zuliani, P., Boursier Niutta, C., Paolino, D.S., Berto, F. and Tridello, A. (2025) ‘Very High Cycle Fatigue (VHCF) of notched specimens: a review’, Fracture and Structural Integrity, 19(74), pp. 385–414. doi: 10.3221/IGF-ESIS.74.24.

Vancouver

Zuliani P, Boursier Niutta C, Paolino DS, Berto F, Tridello A. Very High Cycle Fatigue (VHCF) of notched specimens: a review. Fracture and Structural Integrity. 2025;19(74):385-414. doi:10.3221/IGF-ESIS.74.24

BibTeX

@article{zuliani2025, author = {Zuliani, Paolo and Boursier Niutta, Carlo and Paolino, Davide Salvatore and Berto, Filippo and Tridello, Andrea}, title = {Very High Cycle Fatigue (VHCF) of notched specimens: a review}, journal = {Fracture and Structural Integrity}, year = {2025}, volume = {19}, number = {74}, pages = {385--414}, doi = {10.3221/IGF-ESIS.74.24}, url = {https://doi.org/10.3221/IGF-ESIS.74.24}, issn = {1971-8993} }

RIS

TY - JOUR AU - Zuliani, Paolo AU - Boursier Niutta, Carlo AU - Paolino, Davide Salvatore AU - Berto, Filippo AU - Tridello, Andrea TI - Very High Cycle Fatigue (VHCF) of notched specimens: a review JO - Fracture and Structural Integrity T2 - Fracture and Structural Integrity PY - 2025 DA - 2025/09/13 VL - 19 IS - 74 SP - 385 EP - 414 DO - 10.3221/IGF-ESIS.74.24 UR - https://doi.org/10.3221/IGF-ESIS.74.24 SN - 1971-8993 ER -

Licence

Creative Commons Attribution 4.0 International

May be shared and adapted, provided appropriate credit is given. Copyright © 2025 Paolo Zuliani, Carlo Boursier Niutta, Davide Salvatore Paolino, Filippo Berto, Andrea Tridello.

Copyright 
Authors are allowed to retain both the copyright and the publishing rights of their articles without restrictions.  

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