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Advances in Fatigue Analysis and Numerical Simulation in Engineering Materials

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

Deadline for manuscript submissions: 10 June 2025 | Viewed by 1118

Special Issue Editors


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Guest Editor
Chair of Materials Test Engineering (WPT), TU Dortmund University, 44227 Dortmund, Germany
Interests: materials science and engineering; high-resolution microstructure and defect analysis; fatigue behavior with temperature and corrosion superposition; metrological material condition monitoring; fracture mechanics evaluation of damage tolerances; process-structure-property-damage interactions; mechanism-based material modeling and simulation
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Guest Editor
Institute for Informatics and Automation, Bremen City University for Applied Sciences, D-28199 Bremen, Germany
Interests: artificial intelligence/machine learning; quantum mechanics/molecular dynamics; additive manufacturing (Ti, Al, and steels); numerical and statistical modeling; cyclic plasticity and fracture
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Over a century ago, research concerning the fatigue of engineered materials was initiated. However, the fatigue evaluation was reimagined with the advent of new engineering materials, testing protocols, and computer methodologies. Understanding damage mechanisms at the submicro scale was made feasible by the combination of state-of-the-art sensor technology and real-time images of fatigue damage. The incorporation of computational approaches to fatigue study procedures, which are continually improved by ever-increasing computer capacity, yields further insights into designs against fatigue. Complicated fatigue-related structure–property interactions that are computationally expensive when utilizing physics-based modeling alone were accomplished using data-driven algorithms. Even after extensive study, the fatigue community is now even more in need of multidisciplinary approaches to fatigue analysis. We cordially encourage distinguished and pioneering fatigue investigators to partake in this endeavor to elevate the present developments in fatigue damage and fracture modeling within the purview delineated below.

Prof. Dr. Frank Walther
Dr. Mustafa Awd
Guest Editors

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Keywords

  • fatigue
  • damage
  • sensor technology
  • microscale damage
  • computational methods
  • data-driven algorithms
  • structure–property interactions
  • effective mechanisms
  • physics-based modeling.

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Published Papers (1 paper)

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Research

31 pages, 13227 KiB  
Article
Notches and Fatigue on Aircraft-Grade Aluminium Alloys
by Valentin Zichil, Cosmin Constantin Grigoras and Vlad Andrei Ciubotariu
Materials 2024, 17(18), 4639; https://doi.org/10.3390/ma17184639 - 21 Sep 2024
Viewed by 830
Abstract
The influence of notches and fatigue on the ultimate tensile strength and elongation at break of aluminium alloys (2024-T3, 6061-T4, 6061-T4 uncoated, 6061-T6 uncoated, 7075-T0, and 7076-T6) is presented in this study. A total of 120 specimens were used. On all specimens, notches [...] Read more.
The influence of notches and fatigue on the ultimate tensile strength and elongation at break of aluminium alloys (2024-T3, 6061-T4, 6061-T4 uncoated, 6061-T6 uncoated, 7075-T0, and 7076-T6) is presented in this study. A total of 120 specimens were used. On all specimens, notches were made using a CNC machine, with 60 of them subjected to low-cycle fatigue (LCF) before undergoing the tensile test. Based on the statistical examination of the measured data, mathematical prediction models have been established. Compared to their unscratched counterparts, the results indicate a significant decrease in the UTS and elongation at break for both notched and notched-fatigued specimens. The LCF pre-treatment contributes to the negative impacts of the notches, resulting in reduced values for the UTS and elongation at break, thus concluding that surface integrity is critical for maintaining the structural strength of aircraft components. Full article
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