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Advances in High Cycle Fatigue and Fracture Failure of Metallic...
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Advances in High Cycle Fatigue and Fracture Failure of Metallic Materials and Components

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

Deadline for manuscript submissions: 20 March 2025 | Viewed by 1569

Special Issue Editors

Prof. Dr. Mirco Daniel Chapetti

E-Mail Website
Guest Editor
1. Department of Mechanical Engineering, National University of Mar del Plata, Mar del Plata, Argentina
2. Research Institute for Materials Science and Technology (INTEMA), National Scientific and Technical Research Council (CONICET), Mar del Plata, Argentina
Interests: experimental mechanics; fracture mechanics; damage mechanics; high cycle fatigue; fatigue design, mechanical components integrity; failure analysis
Prof. Dr. Nenad Gubeljak

E-Mail Website
Guest Editor
Faculty of Mechanical Engineering, University of Maribor, SI-2000 Maribor, Slovenia
Interests: welded joints; structural integrity assessment; fracture mechanics; finite element analysis, multi-scale modeling, fatigue
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Most instances of structural failures in engineering can be attributed to High Cycle Fatigue phenomena. Thus, a profound understanding of the fatigue and fracture behaviors of the materials and structural elements is indispensable for enhancing their longevity and safety.

Innovative materials and processes, such as additively manufactured materials, have spurred the use of novel methodologies to analyze intricate configurations. Consequently, these advancements necessitate specialized approaches to simulate the fracture responses, ensuring compliance with stringent safety requirements.

This Special Issue of Materials is dedicated to the scrutiny of High Cycle Fatigue and fracture behavior in engineering materials and components. The emphasis is placed on investigating estimations and providing a platform for presenting the recent breakthroughs in this domain. The publication serves as a conduit for disseminating knowledge and fostering discussions on the evolving landscape of fatigue and fracture analysis, contributing to the continual improvement of structural durability and safety standards.

This Special Issue intends to cover several topics, which include, but are not limited to:

  • Fracture mechanics approaches for fatigue assessment of materials and components;
  • Defect assessment and high cycle fatigue resistance;
  • Fatigue and fracture of metallic alloys fabricated through additive manufacturing;
  • Novel fatigue design criteria of mechanical components;
  • Experimental methods in fracture mechanics.

Prof. Dr. Mirco Daniel Chapetti
Prof. Dr. Nenad Gubeljak
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

  • fracture mechanics
  • high cycle fatigue
  • short or small crack propagation
  • defect assessment
  • damage mechanics
  • additive manufacturing materials
  • metallic components

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Published Papers (2 papers)

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Research

18 pages, 5125 KiB  
Article
Short Fatigue-Crack Growth from Crack-like Defects under Completely Reversed Loading Predicted Based on Cyclic R-Curve
by Keisuke Tanaka and Yoshiaki Akiniwa
Materials 2024, 17(18), 4484; https://doi.org/10.3390/ma17184484 - 12 Sep 2024
Viewed by 215
Abstract
Understanding short fatigue-crack propagation behavior is inevitable in the defect-tolerant design of structures. Short cracks propagate differently from long cracks, and the amount of crack closure plays a key role in the propagation behavior of short cracks. In the present paper, the buildup [...] Read more.
Understanding short fatigue-crack propagation behavior is inevitable in the defect-tolerant design of structures. Short cracks propagate differently from long cracks, and the amount of crack closure plays a key role in the propagation behavior of short cracks. In the present paper, the buildup of fatigue-crack closure due to plasticity with crack extension from crack-like defects is simulated with a modified strip yield model, which leaves plastic stretch in the wake of the advancing crack. Crack-like defects are assumed to be closure-free and do not close even under compression. The effect of the size of crack-like defects on the growth and arrest of short cracks was systematically investigated and the cyclic R-curve derived. The cyclic R-curve determined under constant amplitude loading of multiple specimens is confirmed to be independent of the initial defect length. Load-shedding and ΔK-constant loading tests are employed to extend the cyclic R-curve beyond the fatigue limit determined under constant amplitude loading. The initiation stage of cracks is taken into account in R-curves when applied to smooth specimens. Full article
(This article belongs to the Special Issue Advances in High Cycle Fatigue and Fracture Failure of Metallic Materials and Components)
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15 pages, 6028 KiB  
Article
Tensile and High Cycle Fatigue Performance at Room and Elevated Temperatures of Laser Powder Bed Fusion Manufactured Hastelloy X
by Zehui Jiao, Li Zhang, Shuai Huang, Jiaming Zhang, Xudong Li, Yuhuai He and Shengchuan Wu
Materials 2024, 17(10), 2248; https://doi.org/10.3390/ma17102248 - 10 May 2024
Viewed by 841
Abstract
The application potential of additive manufacturing nickel-based superalloys in aeroengines and gas turbines is extensive, and evaluating their mechanical properties is crucial for promoting the engineering application in load-bearing components. In this study, Hastelloy X alloy was prepared using the laser powder bed [...] Read more.
The application potential of additive manufacturing nickel-based superalloys in aeroengines and gas turbines is extensive, and evaluating their mechanical properties is crucial for promoting the engineering application in load-bearing components. In this study, Hastelloy X alloy was prepared using the laser powder bed fusion process combined with solution heat treatment. The tensile and high cycle fatigue properties were experimentally investigated at room temperature as well as two typical elevated temperatures, 650 °C and 815 °C. It was found that, during elevated-temperature tensile deformation, the alloy exhibits significant serrated flow behavior, primarily observed during the initial stage of plastic deformation at 650 °C but occurring throughout the entire plastic deformation process at 815 °C. Notably, when deformation is small, sawtooth fluctuations are significantly higher at 815 °C compared to 650 °C. Irregular subsurface lack of fusion defects serve as primary sources for fatigue crack initiation in this alloy including both single-source and multi-source initiation mechanisms; moreover, oxidation on fracture surfaces is more prone to occur at elevated temperatures, particularly at 815 °C. Full article
(This article belongs to the Special Issue Advances in High Cycle Fatigue and Fracture Failure of Metallic Materials and Components)
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