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Metals
Special Issues
Fatigue and Damage in Metallic Materials
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Fatigue and Damage in Metallic Materials

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Failure Analysis".

Deadline for manuscript submissions: 25 June 2025 | Viewed by 1000

Special Issue Editors

Prof. Dr. Mingliang Zhu

E-Mail Website
Guest Editor
Key Laboratory of Pressure Systems and Safety, Ministry of Education, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai, 200237, China
Interests: fatigue; fracture mechanism; life prediction; design against fatigue
Special Issues, Collections and Topics in MDPI journals
Dr. Jianguo Gong

E-Mail Website
Guest Editor
Key Laboratory of Pressure Systems and Safety, Ministry of Education, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China
Interests: fatigue; fatigue-creep; life prediction; design methodology

Special Issue Information

Dear Colleagues,

Fatigue is believed to be one of the key factors that causes the failure of engineering structures. The research on fatigue has a long history and has evolved gradually since it was first published in 1854 and pioneered by Wöhler in the 1860s. The various types of engineering applications (aircrafts, rotating components, bridges, automobiles, trains, etc.), different kinds of fatigue failure (constant/variable/random load fatigue, fretting fatigue, creep fatigue, corrosion fatigue, thermo-mechanical fatigue, etc.) and the accompanying complex mechanisms among different materials and structures (steels, alloys, composites, welded joints, etc.) make fatigue a complicated topic that fuels research into the fatigue design method.

The process of metal fatigue damage is complex, and there are significant differences in the mechanism, deformation characteristics, and failure modes of metal fatigue damage under different load types and service environments. The deformation characteristics and damage mechanisms are essentially a multi-scale process, which needs both cross-scale modeling and experiments. The improvement of the modeling and understanding the full life of metal fatigue damage can provide a theoretical basis and technical guidance for the safe operation and maintenance of equipment.

The aim of this Special Issue is to highlight recent advances related to fatigue and damage of metallic materials to ensure safety, reliability and long-term stability of engineering components in extreme service environments.

Prof. Dr. Mingliang Zhu
Dr. Jianguo Gong
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. Metals is an international peer-reviewed open access monthly 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 damage
  • fracture mechanism
  • life prediction
  • design criterion
  • strength assessment
  • metallic materials
  • extreme environment
  • failure analysis
  • designs against fatigue

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Published Papers (1 paper)

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Research

11 pages, 6414 KiB  
Article
Comparison on Hysteresis Loops and Dislocation Configurations in Fatigued Face-Centered Cubic Single Crystals
by Zhibin Xing, Lingwei Kong, Lei Pang, Xu Liu, Kunyang Ma, Wenbo Wu and Peng Li
Metals 2024, 14(9), 1023; https://doi.org/10.3390/met14091023 - 7 Sep 2024
Viewed by 720
Abstract
The aggregation and evolution of dislocations form different configurations, which are the preferred locations for fatigue crack initiation. To analyze the spatial distribution of the same dislocation configuration and the resulting configuration morphologies on different observation planes, several typical hysteresis loops and dislocation [...] Read more.
The aggregation and evolution of dislocations form different configurations, which are the preferred locations for fatigue crack initiation. To analyze the spatial distribution of the same dislocation configuration and the resulting configuration morphologies on different observation planes, several typical hysteresis loops and dislocation configurations in fatigued face-centered cubic single crystals with various orientations were compared. The crystal orientations of these specimens were determined by the electron back-scattering diffraction technique in a Cambridge S360 Scanning Electron Microscope. It is well known that dislocation ladder and wall structures, as well as patch and vein structures, are distributed on their respective observation planes, (12¯1) and (111). These correspond to the point defect direction and line defect direction of dislocations, respectively. Therefore, the wall structures on the (12¯1) and (111) planes consist of point defects and line defects, which can be defined as point walls and line walls, respectively. Furthermore, the walls on the (12¯1) plane consist of Persistent Slip Band ladders connected with each other, corresponding to the formation of deformation bands. The evolution of dislocation patterns follows a process from patch to ladder and from vein to wall. The formation of labyrinths and dislocation cells originates from the activation of different secondary slip systems. In one word, it can help us better understand the physical nature of metal fatigue and failure by studying the distribution and evolution of different configurations. Full article
(This article belongs to the Special Issue Fatigue and Damage in Metallic Materials)
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