Microstructure, Deformation and Fatigue Behavior in Metals and Alloys

A special issue of Metals (ISSN 2075-4701).

Deadline for manuscript submissions: 25 November 2025 | Viewed by 564

Special Issue Editors


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Guest Editor
Failure Mechanics & Engineering Disaster Prevention, Key Laboratory of Sichuan Province, College of Architecture & Environment, Sichuan University, Chengdu 610065, China
Interests: fatigue crack initiation mechanisms; very high cycle fatigue; fatigue resistance; microstructure characterization

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Guest Editor
School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
Interests: fatigue damage; welded joints; fatigue life; additive manufacturing

Special Issue Information

Dear Colleagues,

Understanding the intricate relationship between microstructure, deformation mechanisms, and fatigue behavior in metals and alloys is crucial for advancing material performance, particularly in extreme environments. This Special Issue invites contributions that explore the latest developments in this field, emphasizing the interplay between microstructural characteristics and mechanical properties such as strength, ductility, and fatigue resistance. Topics of interest include microstructure evolution during deformation, phase transformations, dislocation dynamics, and the role of inclusions or second-phase particles in fatigue crack initiation and propagation. Research focused on advanced characterization techniques, such as electron microscopy, in situ mechanical testing, and computational simulations, are encouraged to provide new insights into the micromechanisms underlying deformation and fatigue.

Additionally, research focusing on innovative approaches to enhance fatigue properties, including surface treatments, alloying strategies, and novel microstructural designs, will be highly relevant. Of particular interest are studies addressing very high cycle fatigue, thermomechanical fatigue, and fatigue behavior under complex loading conditions. This Special Issue aims to bring together experimental, theoretical, and computational studies that contribute to a deeper understanding of how microstructural engineering can improve fatigue performance across various metallic systems.

Dr. Yao Chen
Dr. Haizhou Li
Guest Editors

Manuscript Submission Information

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Keywords

  • microstructure evolution
  • fatigue behavior
  • deformation mechanisms
  • dislocation dynamics
  • phase transformations
  • grain boundary engineering
  • fatigue crack initiation
  • very high cycle fatigue
  • thermomechanical fatigue
  • metallic alloys

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Published Papers (1 paper)

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Research

17 pages, 4357 KiB  
Article
Rotational Bending Fatigue Crack Initiation and Early Extension Behavior of Runner Blade Steels in Air and Water Environments
by Bing Xue, Yongbo Li, Wanshuang Yi, Wen Li and Jiangfeng Dong
Metals 2025, 15(7), 783; https://doi.org/10.3390/met15070783 - 11 Jul 2025
Viewed by 290
Abstract
This study provides a comprehensive analysis of the fatigue cracking behavior of super martensitic stainless steel in air and water environments, highlighting the critical influence of environmental factors on its mechanical properties. By examining the distribution of fatigue test data, the Weibull three-parameter [...] Read more.
This study provides a comprehensive analysis of the fatigue cracking behavior of super martensitic stainless steel in air and water environments, highlighting the critical influence of environmental factors on its mechanical properties. By examining the distribution of fatigue test data, the Weibull three-parameter model was identified as the most accurate descriptor of fatigue life data in both environments. Key findings reveal that, in air, cracks predominantly propagate along the densest crystallographic planes, whereas, in water, corrosive media significantly accelerate crack initiation and propagation, reducing fatigue resistance, creating more tortuous crack paths, and inducing microvoids and secondary cracks at the crack tip. These corrosive effects adversely alter the material’s microstructure, profoundly impacting fatigue life and crack propagation rates. The insights gained from this research are crucial for understanding the performance of super martensitic stainless steel in aqueous environments, offering a reliable basis for its engineering applications and contributing to the development of more effective design and maintenance strategies. Full article
(This article belongs to the Special Issue Microstructure, Deformation and Fatigue Behavior in Metals and Alloys)
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