Alloy/Metal/Steel Surface: Fabrication, Structure, Friction and Service Life

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

Deadline for manuscript submissions: 20 January 2026 | Viewed by 115

Special Issue Editors


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Guest Editor
School of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China
Interests: laser processing and surface technology; laser processing technology and metal surface properties; metal surface micro-textures and tribological properties, fatigue life

E-Mail Website
Guest Editor
School of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China
Interests: advanced manufacturing technology;tool materials and surface engineerings

Special Issue Information

Dear Colleagues,

We sincerely invite you to submit your work to this Special issue of Coatings. The theme of this Special Issue is “Alloy/Metal/Steel Surface: Fabrication, Structure, Friction and Service Life”. The composition and properties of metal surfaces can change the form of surface contact, affecting friction performance and service life, and thus having broad application prospects in national defense, industrial and agricultural production, and daily life. An example is, laser surface texturing, with its advantages of good processing controllability, a small heat-affected zone, and little processing deformation. The micro-textures processed on metal surfaces can significantly improve the friction and wear performance of the tool-processed surface and increase the service life of cutting tools. Methods such as grinding, lapping, surface micro-shaping, and filling micro-textures can be used to improve the friction and wear performance of cylinder liners under different lubrication conditions. Therefore, the application of metal surface micro-processing has broad prospects, with relevancy in the fields of aerospace, military industries, transportation, and agricultural machinery and other aspects.

The contact performance of metal surfaces is affected by their composition and morphology. Scientists explore the relationship between structure and function by studying the processing technology of textured surfaces, textured morphology, and the composition of lubricants, revealing the mystery behind this phenomenon. They also use artificial methods (such as etching technology, laser processing technology, chemical vapor deposition, mechanical stretching, electrochemical methods, metal corrosion, etc.) to replicate micro-structures, thereby obtaining excellent surface contact performance.

This special issue focuses on the latest research progress and frontiers in metal surfaces and processing to help solve a series of practical problems.

Topics of particular interest include but are not limited to the following:

  • Surface treatment;
  • Friction;
  • Corrosion resistance;
  • Mechanical properties.

Prof. Dr. Yujie Fan
Prof. Dr. Zhiqiang Liu
Guest Editors

Manuscript Submission Information

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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

  • laser processing
  • surface etching
  • micro-texture
  • friction reduction
  • wear resistance

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Published Papers (1 paper)

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Research

19 pages, 8676 KiB  
Article
Simulation of Internal Environmental Conditions Within Rock Wool Insulation: Implications for Corrosion Under Insulation in Piping Systems
by Jiangshun Wu, Wenchao Li, Feifei Huang, Hongbo Zhang, Bo Zhang, Fuhai Liu and Ying Jin
Coatings 2025, 15(5), 571; https://doi.org/10.3390/coatings15050571 (registering DOI) - 10 May 2025
Abstract
Rock wool is widely used in industrial piping systems for its excellent thermal insulation properties, but its porous structure allows water infiltration that can lead to corrosion under insulation (CUI) on metal pipe surfaces. In order to investigate how water infiltration into the [...] Read more.
Rock wool is widely used in industrial piping systems for its excellent thermal insulation properties, but its porous structure allows water infiltration that can lead to corrosion under insulation (CUI) on metal pipe surfaces. In order to investigate how water infiltration into the insulated pipeline system creates a corrosive environment, a study on the flow behavior of fluids in porous media was conducted. Experiments were performed to measure the flow velocity and pressure drop along three principal directions—axial, radial, and circumferential. These measurements enabled the derivation of specific viscous and inertial resistance coefficients, which characterize the flow through the rock wool structure. The results indicated that the flow parameters of rock wool change over time and with repeated use, particularly after dry–wet cycles. The experimentally derived parameters were incorporated into both small-scale and large-scale three-dimensional computational fluid dynamics (CFD) models to simulate water transport within the rock wool insulation layer. Validation experiments performed on a real rock wool-insulated pipeline system confirmed the predictive accuracy of the CFD simulations in capturing water movement through the insulation. The large-scale model further analyzed the influence of inlet velocity, rock wool aging, and pipeline inclination on the development of environmental conditions for CUI. Full article
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