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Fatigue Crack Growth in Metallic Materials (3rd Edition)
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Fatigue Crack Growth in Metallic Materials (3rd Edition)

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Metals and Alloys".

Deadline for manuscript submissions: 20 September 2025 | Viewed by 837

Special Issue Editors

Prof. Dr. Fernando Ventura Antunes

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Guest Editor
Centre for Mechanical Engineering, Materials and Processes (CEMMPRE), Department of Mechanical Engineering, University of Coimbra, 3030-788 Coimbra, Portugal
Interests: fatigue crack growth; crack tip parameters; crack tip mechanisms; numerical simulation
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Francisco A. Díaz

E-Mail Website
Guest Editor
Department of Mechanical and Mining Engineering, Campus Las Lagunillas, University of Jaen, 23071 Jaén, Spain
Interests: fatigue crack growth; experimental stress analysis; crack tip mechanisms
Special Issues, Collections and Topics in MDPI journals
Dr. Diogo Neto

E-Mail Website
Guest Editor
Department of Mechanical Engineering, University of Coimbra, 3004-531 Coimbra, Portugal
Interests: computational mechanics; non-linear solid mechanics; elastoplastic behavior of materials; thermomechanical analysis; additive manufacturing; fatigue crack growth
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Design against fatigue is fundamental in components submitted to cyclic loads. The damage tolerance approach assumes the presence of small cracks and the propagation life is used to define inspection intervals. The ability to accurately predict fatigue crack growth rates is therefore fundamental. Despite the significant research developed in the last several decades, further work is needed to understand the fundamental mechanisms and to accurately model fatigue crack growth. The coexistence of ductile and brittle mechanisms, and crack tip shielding are not totally understood. The appearance of new metallic alloys, the development of new technologies such as additive manufacturing introduces challenging complexities. On the other hand, the development of numerical and experimental tools (e.g., digital image correlation or thermoelastic stress analysis) gives opportunity for a better understanding of the phenomenon.

We invite researchers to submit papers focused on the study of fatigue crack growth in metallic materials. The study of fundamental mechanisms (cyclic plastic deformation, coalescence of microvoids, environmental damage, other brittle mechanisms, etc.) and crack driving parameters, the development of new models and equipment, and the application to real components and structures are welcome. Both original and review papers are welcome.

Prof. Dr. Fernando Ventura Antunes
Prof. Dr. Francisco A. Díaz
Dr. Diogo Neto
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • fatigue crack growth
  • fatigue mechanisms
  • crack tip parameters
  • digital image correlation
  • metallic materials
  • aluminum alloys
  • additive manufacturing

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Published Papers (1 paper)

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Research

18 pages, 13493 KB  
Article
Fatigue Performance of Nitrided H13 Tool Steel Pre-Treated with Fine Particle Peening
by Hung-Chi Lee, Tai-Cheng Chen, Wen-Han Chen and Leu-Wen Tsay
Materials 2025, 18(17), 4121; https://doi.org/10.3390/ma18174121 - 2 Sep 2025
Viewed by 529
Abstract
This study evaluated the fatigue performance of nitrided H13 steel with and without a compound layer (CL), using two nitrogen potentials (KN = 0.8, designated as LN, and KN = 2.0, designated as HN). Fine particle peening (FPP) was applied prior [...] Read more.
This study evaluated the fatigue performance of nitrided H13 steel with and without a compound layer (CL), using two nitrogen potentials (KN = 0.8, designated as LN, and KN = 2.0, designated as HN). Fine particle peening (FPP) was applied prior to gas nitriding to introduce a refined microstructure and compressive residual stress (CRS) in the peened zone. After gas nitriding at 540 °C for 8 h, the refined structure remained on the outermost layer of all samples, regardless of the nitrogen potential. A CL primarily composed of Fe3N formed on the external surface of the HN sample, whereas the LN sample remained free of CL. A higher KN promoted CL formation and slightly increased the case depth in the HN sample compared to the LN sample. Fatigue cracks initiated at the external surface of the H13 steel substrate (SB). Overall, the LN and HN samples exhibited similar residual stress fields and, consequently, comparable fatigue performance. In the high-cycle fatigue regime, fatigue cracks originated from subsurface inclusions, resulting in significantly improved fatigue strength and life for both the LN and HN samples compared to the SB sample. Under cyclic stresses at or above 1100 MPa, the crack initiation site in the HN sample tended to shift from subsurface inclusions to the external surface. Throughout the fatigue tests, no multi-cracking or spalling of the CL was observed in the HN sample, regardless of the cyclic stress. Full article
(This article belongs to the Special Issue Fatigue Crack Growth in Metallic Materials (3rd Edition))
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