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Coatings
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Latest Insights in Metal Fatigue, Failure, and Fracture
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Latest Insights in Metal Fatigue, Failure, and Fracture

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Corrosion, Wear and Erosion".

Deadline for manuscript submissions: 31 January 2026 | Viewed by 4211

Special Issue Editor

Dr. Dušan Arsić

E-Mail Website
Guest Editor
Faculty of Engineering, University of Kragujevac, 34000 Kragujevac, Serbia
Interests: materials; materials testing; metals; construction machinery reparation; rock materials testing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

You are invited to contribute to this upcoming Special Issue of Coatings entitled “Latest Insights in Metal Fatigue, Failure, and Fracture”. This Special Issue will encompass the latest research on the topics of metal fatigue, structural failures, and material fractures.

Fatigue in materials represents one of the most prevalent causes of failure in modern constructions. The goal of engineers and scientists is to eliminate fatigue or successfully manage it to ensure the reliability of analysed structures. Based on fatigue tests and the simulation of metal components, the theory and method of fatigue damage assessments of metal materials or components are proposed. These methods provide a base for structural safety, as well as for the design, material selection, and process selection of metal components. This research requires multidisciplinary expertise, including material science, structural analysis, detection technology, structural design, manufacturing technology, computer technology, quality assessment, physics, reliability, etc. In order to solve the complex engineering fatigue problem, it is necessary to involve both micro- and macro-scale theory and experimental methods.

Metal fatigue, failure, and fracture is a very broad and diverse field, encompassing the analysis of concepts such as residual strength or life, crack propagation, damage assessment using different fatigue damage detection methods, and various related topics.

We look forward to your contributions to this Special Issue.

Dr. Dušan Arsić
Guest Editor

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. Coatings 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 assessment
  • fatigue failure
  • fatigue damage evaluation
  • crack initiation and propagation
  • life prediction
  • fracture mechanisms
  • failure prevention

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (3 papers)

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Research

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14 pages, 5260 KiB  
Article
Thermal Stability of Residual Stress, Microstructure, and Mechanical Property in Shot-Peened CNT/Al-Cu-Mg Composites
by Wenlong Zhu, Shilong Xing, Lianbo Wang, Zhaoyang Yang, Wenliang Yu, Ang Yin, Wenbo Li, Chuanhai Jiang and Vincent Ji
Coatings 2024, 14(12), 1571; https://doi.org/10.3390/coatings14121571 - 16 Dec 2024
Viewed by 796
Abstract
To investigate the thermal stability of a shot-peened specimen and ensure the reliability operation under high temperatures, CNT/Al-Cu-Mg composites were treated by shot peening (SP) and the isothermal aging treatment. The heating temperatures were 100, 150, 200, and 250 °C. Changes in surface [...] Read more.
To investigate the thermal stability of a shot-peened specimen and ensure the reliability operation under high temperatures, CNT/Al-Cu-Mg composites were treated by shot peening (SP) and the isothermal aging treatment. The heating temperatures were 100, 150, 200, and 250 °C. Changes in surface residual stress and the distribution along the depth were investigated. The microstructure changes were analyzed by XRD and observed by TEM. Changes in mechanical properties were characterized by microhardness. The results show that the compressive residual stress (CRS) release and the microstructure changes mainly occurred at the initial stage of heating treatment. After 128 min of isothermal aging treatment at 250 °C, the surface CRS released 91.9% and the maximum CRS released 80.9%, the surface domain size increased by 222%, and the microstrain and microhardness decreased by 49% and 27.3%, respectively. The reinforcement effect introduced by SP basically disappeared. A large number of second-phase particles, such as CNT, Al2Cu, and Al4C3, were anchored at grain boundaries, hindering dislocation movement and enhancing the thermal stability of the material. Isothermal aging treatment at 100 °C and 150 °C for a duration of 32 min is a reliable circumstance for maintaining SP reinforcement. Full article
(This article belongs to the Special Issue Latest Insights in Metal Fatigue, Failure, and Fracture)
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13 pages, 6719 KiB  
Article
Fatigue Crack Growth Behavior of Additively Manufactured Ti Metal Matrix Composite with TiB Particles
by Thevika Balakumar, Afsaneh Edrisy and Reza A. Riahi
Coatings 2024, 14(11), 1447; https://doi.org/10.3390/coatings14111447 - 13 Nov 2024
Viewed by 976
Abstract
Fatigue crack growth behavior of additively manufactured Ti metal matrix composite with TiB particles at room temperature was studied using a compact tension specimen and at the stress ratio of 0.1 (R = 0.1). The composite studied in this work was manufactured with [...] Read more.
Fatigue crack growth behavior of additively manufactured Ti metal matrix composite with TiB particles at room temperature was studied using a compact tension specimen and at the stress ratio of 0.1 (R = 0.1). The composite studied in this work was manufactured with a unique additive technique called plasma transferred arc solid free-form fabrication, which was designed to manufacture low-cost near-net-shaped components for aerospace and automotive industries. The fatigue crack growth rate experiments were carried perpendicular and parallel to the additive material build, aiming to find any fatigue anisotropies at room temperature. The findings reveal that additively manufactured Ti-TiB composite shows isotropic fatigue properties with respect to fatigue crack growth. Furthermore, the fatigue crack growth mechanisms in this additive composite material were identified as void nucleation/coalescence and the bypassing of particles and matrix, depending on the interparticle distance. Full article
(This article belongs to the Special Issue Latest Insights in Metal Fatigue, Failure, and Fracture)
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Review

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15 pages, 1353 KiB  
Review
A Review of High-Speed Turning of AISI 4340 Steel with Minimum Quantity Lubrication (MQL)
by Haniff Abdul Rahman, Nabil Jouini, Jaharah A. Ghani and Mohammad Rasidi Mohammad Rasani
Coatings 2024, 14(8), 1063; https://doi.org/10.3390/coatings14081063 - 19 Aug 2024
Cited by 1 | Viewed by 2046
Abstract
AISI 4340 is a medium-carbon low-alloy steel that has gained distinctive attention due to its advanced properties including high strength, high toughness, and heat resistance. This has led to its commercial usage in a wide variety of industries such as construction, automotive, and [...] Read more.
AISI 4340 is a medium-carbon low-alloy steel that has gained distinctive attention due to its advanced properties including high strength, high toughness, and heat resistance. This has led to its commercial usage in a wide variety of industries such as construction, automotive, and aerospace. AISI 4340 is usually machined in a hardened state through a hard-turning process, which results in high heat generation, accelerated tool wear, low productivity, and poor surface quality. The application of high-speed machining helps improve the material removal rate and surface finish quality, yet the elevated temperature at the cutting zone still poses problems to the tool’s lifespan. Apart from using advanced cutting tool materials, which is costly, researchers have also explored various cooling methods to tackle the heat problem. This paper presents a review of a sustainable cooling method known as minimum quantity lubrication (MQL) for its application in the high-speed turning of AISI 4340 steel. This study is centered on high-speed turning and the application of MQL systems in machining AISI 4340 steel. It has been observed that the hard part turning of materials with a hardness exceeding 45 HRC offers advantages such as improved accuracy and tighter tolerances compared to traditional grinding methods. However, this process leads to increased temperatures, and MQL proves to be a viable alternative to dry conditions. Challenges in optimizing MQL performance include fluid penetration and lubrication effectiveness. Full article
(This article belongs to the Special Issue Latest Insights in Metal Fatigue, Failure, and Fracture)
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