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Fatigue Damage, Fracture Mechanics of Structures and Materials
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Fatigue Damage, Fracture Mechanics of Structures and Materials

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

Deadline for manuscript submissions: 20 January 2026 | Viewed by 1219

Special Issue Editors

Dr. Yu Gong

E-Mail Website
Guest Editor
College of Aerospace Engineering, Chongqing Key Laboratory of Heterogeneous Material Mechanics, Chongqing University, Chongqing 400044, China
Interests: composite mechanics; delamination; fatigue; damage tolerance design; failure prediction; fracture mechanics
Special Issues, Collections and Topics in MDPI journals
Dr. Meijuan Shan

E-Mail Website
Guest Editor
Department of Mechanics, School of Physical Science and Engineering, Beijing Jiaotong University, Beijing 100044, China
Interests: mechanical behavior of advanced materials and structures

Special Issue Information

Dear Colleagues,

Fatigue and fracture are the main forms of structural failure in service. According to relevant data, the annual losses caused by fatigue and fracture are equivalent to about 4% of the total national economic output value. Therefore, countries around the world attach great importance to the study of fatigue and fracture mechanisms and their preventive measures. The research and application of fatigue and fracture involve important industries and key fields such as aerospace, transportation, building materials, metallurgy and minerals, petrochemicals, and transportation. The science and technology of fatigue and fracture in various materials and structures have undergone intense development over the last several decades; nevertheless, this field is still in a phase of progression.

The main goal of the Special Issue on “Fatigue Damage, Fracture Mechanics of Structures and Materials” is to address the safety evaluation and life prediction issues of materials and structures, promote theoretical research and technological applications in the field of fatigue and fracture around the world, serve economic construction and social development, and strengthen exchanges, discussions, and cooperation among experts and scholars in this field. Original contributions on the design, research and development studies, experimental investigations, theoretical analysis, and computational methods relevant to the fatigue and fracture of materials and structures are welcome. Topics of interest include (but are not limited to) the following:

  • Experiments of advanced materials and structures;
  • Fatigue and fracture mechanics;
  • Microscopic mechanisms of fatigue and fracture in advanced materials and structures;
  • Research on the failure theory of typical materials and structures;
  • Numerical simulations of fatigue and fracture in advanced materials and structures;
  • Lifecycle damage failure and life prediction of structures;
  • Fatigue and fracture engineering applications in key industries;
  • Design and application of advanced materials and structures for fatigue prevention and control;
  • New advances and technologies in the field of fatigue and fracture;
  • Multiscale modeling of advanced composite materials and structures;

Dr. Yu Gong
Dr. Meijuan Shan
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

  • materials and structures
  • failure mechanism
  • mechanical properties
  • fatigue damage
  • fracture mechanics
  • constitutive relation
  • failure criterion
  • design, analysis and characterization
  • numerical simulations
  • experimental investigation

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Published Papers (3 papers)

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Research

17 pages, 4552 KiB  
Article
Trans-Scale Progressive Failure Analysis Methodology for Composite Materials Incorporating Interfacial Phase Effect
by Zhijie Li, Fei Peng, Jian Zhao, Sujuan Guo, Lefei Hu and Yu Gong
Materials 2025, 18(15), 3667; https://doi.org/10.3390/ma18153667 - 4 Aug 2025
Viewed by 288
Abstract
Fiber-reinforced resin matrix composites are generally composed of fibers and matrix with significantly different properties, which are non-uniform and anisotropic in nature. Macro-failure criteria generally view composite plies as a uniform whole and do not accurately reflect fiber- and matrix-scale failures. In this [...] Read more.
Fiber-reinforced resin matrix composites are generally composed of fibers and matrix with significantly different properties, which are non-uniform and anisotropic in nature. Macro-failure criteria generally view composite plies as a uniform whole and do not accurately reflect fiber- and matrix-scale failures. In this study, the interface phase effect between fiber and matrix has been introduced into the frame of trans-scale analysis to better model the failure process, and the equivalent mechanical property characterization model of the interface phase has also been established. Combined with the macro–micro-strain transfer method, the trans-scale correlation of the mechanical response of the composite laminates between the macro scale and the fiber, matrix and interface micro scale has been achieved. Based on the micro-scale failure criterion and the stiffness reduction strategy, the trans-scale failure analysis method of composite materials incorporating the interface phase effect has been developed, which can simultaneously predict the failure modes of the matrix, fiber and interface phase. A numerical implementation of the developed trans-scale failure analysis method considering interface phase was carried out using the Python and Abaqus 2020 joint simulation technique. Case studies were carried out for three material systems, and the prediction data of the developed trans-scale failure analysis methodology incorporating interface phase effects for composite materials, the prediction data of the Linde failure criterion and the experimental data were compared. The comparison with experimental data confirms that this method has good prediction accuracy, and compared with the Linde and Hashin failure methods, only it can predict the failure mode of the fiber–matrix interface. The case analysis shows that its prediction accuracy has been improved by about 2–3%. Full article
(This article belongs to the Special Issue Fatigue Damage, Fracture Mechanics of Structures and Materials)
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17 pages, 6755 KiB  
Article
Quantum Simulation of Fractal Fracture in Amorphous Silica
by Rachel M. Morin, Nicholas A. Mecholsky and John J. Mecholsky, Jr.
Materials 2025, 18(15), 3517; https://doi.org/10.3390/ma18153517 - 27 Jul 2025
Viewed by 319
Abstract
In order to design new materials at atomic-length scales, there is a need to connect the fractal nature of fracture surfaces at the atomic scale using quantum mechanics modeling with that of the experimental data of fracture surfaces at macroscopic-length scales. We use [...] Read more.
In order to design new materials at atomic-length scales, there is a need to connect the fractal nature of fracture surfaces at the atomic scale using quantum mechanics modeling with that of the experimental data of fracture surfaces at macroscopic-length scales. We use a semi-empirical quantum mechanics simulation of fracture in amorphous silica to calculate a parameter identified as a critical characteristic length, a0, which has been experimentally derived from the fractal nature of fracture for many materials that fail in a brittle matter. To our knowledge, there are no known simulation models other than our related research that use the fractal parameter a0 to describe the fractal fracture of the fracture surface using quantum mechanical simulations. We provide evidence that a0 can be calculated at both the atomic and macroscopic scale, making it a fundamental property of the structure and one of the elements of fractal fracture. We use a continuous random network model and reaction coordinate method to simulate fracture. We propose that fracture in amorphous silica occurs due to bond reconfiguration resulting in increased strain volume at the crack tip. We hypothesize two specific configurations leading to fracture from a four-fold ring reconfiguration to three-fold ring or (newly observed) five-fold ring configurations resulting in a change in volume. Finally, we define a reconfiguration fracture energy at the atomic level, which is approximately the value of the experimental fracture surface energy. Full article
(This article belongs to the Special Issue Fatigue Damage, Fracture Mechanics of Structures and Materials)
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20 pages, 5430 KiB  
Article
Life Prediction Model for High-Cycle and Very-High-Cycle Fatigue of Ti-6Al-4V Titanium Alloy Under Symmetrical Loading
by Xi Fu, Lina Zhang, Wenzhao Yang, Zhaoming Yin, Jiakang Zhou and Hongwei Wang
Materials 2025, 18(14), 3354; https://doi.org/10.3390/ma18143354 - 17 Jul 2025
Viewed by 303
Abstract
The Ti-6Al-4V alloy is a typical α + β type titanium alloy and is widely used in the manufacture of aero-engine fans, compressor discs and blades. The working life of modern aero-engine components is usually required to reach more than 108 cycles, [...] Read more.
The Ti-6Al-4V alloy is a typical α + β type titanium alloy and is widely used in the manufacture of aero-engine fans, compressor discs and blades. The working life of modern aero-engine components is usually required to reach more than 108 cycles, which makes the infinite life design based on the traditional fatigue limit unsafe. In this study, through symmetrical loading high-cycle fatigue tests on Ti-6Al-4V titanium alloy, a nonlinear cumulative damage life prediction model was established. Further very-high-cycle fatigue tests of titanium alloys were carried out. The variation law of plastic strain energy in the evolution process of very-high-cycle fatigue damage of titanium alloy materials was described by introducing the internal stress parameter. A prediction model for the very-high-cycle fatigue life of titanium alloys was established, and the sensitivity analysis of model parameters was carried out. The results show that the established high-cycle/very-high-cycle fatigue models can fit the test data well. Moreover, based on the optimized model parameters through sensitivity analysis, the average error of the prediction results has decreased from 59% to 38%. The research aims to provide a model or method for predicting the engineering life of titanium alloys in the high-cycle/very-high-cycle range. Full article
(This article belongs to the Special Issue Fatigue Damage, Fracture Mechanics of Structures and Materials)
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