Advanced Surface Modifications on Materials (2nd Edition)

A special issue of Crystals (ISSN 2073-4352).

Deadline for manuscript submissions: 30 September 2025 | Viewed by 926

Special Issue Editors


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Department of Materials Science and Engineering, EEBE, Universitat Politècnica de Catalunya, UPC, C/Eduard Maristany, 16, 08019 Barcelona, Spain
Interests: laser surface modification; fatigue; mechanical properties; metallurgical behavior; micromechanical properties; nanotechnology; phase transformation; stainless steels
Special Issues, Collections and Topics in MDPI journals

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Faculty of Engineering and Science, University of Greenwich, London SE10 9LS, UK
Interests: digital engineering; smart manufacturing and production
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Special Issue Information

Dear Colleagues,

This Special Issue aims to explore the latest advancements in surface modifications on materials, focusing on novel techniques and their applications in materials engineering. Surface modifications play a crucial role in tailoring the properties of materials to meet specific requirements, such as improved functionality, enhanced performance, and increased durability. By altering the surface characteristics, researchers can create materials with unique properties and functionalities that are not achievable through conventional processing methods. This Special Issue brings together cutting-edge research and innovative approaches to advance the field of surface modifications.

Surface modifications encompass a wide range of techniques, including physical, chemical, and biological methods, as well as the incorporation of nanostructures and coatings. By carefully manipulating the surfaces of materials, researchers can modify their chemical composition, roughness, topography, and wettability, among other properties. These modifications can significantly impact a material's behavior, making it more resistant to corrosion, improving adhesion, enhancing biocompatibility, or providing unique optical, electrical, or mechanical properties.

This Special Issue invites original research articles, reviews, and case studies that delve into advanced surface modification techniques and their impact on material performance. Topics of interest include, but are not limited to, the functionalization of surfaces using self-assembled monolayers, plasma treatment, laser ablation, electrochemical methods, and biomimetic approaches. Additionally, contributions focusing on the development of novel coatings, such as thin films, nanocoatings, and composite coatings, are highly encouraged.

This Special Issue aims to foster interdisciplinary collaboration among researchers in materials science, chemistry, physics, biology, and engineering, facilitating knowledge exchange and promoting the development of innovative surface modification strategies. Ultimately, the goal is to advance the understanding of surface modifications and their potential applications in various industries, including aerospace, automotive, electronics, energy, healthcare, and more.

Dr. Mahmoud Moradi
Dr. Mohammad Rezayat
Prof. Dr. Rasoul Khandan
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. Crystals 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 2100 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

  • surface modifications
  • advanced surface techniques
  • materials surface engineering
  • surface properties
  • laser surface modification
  • laser surface coating

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Published Papers (1 paper)

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Research

13 pages, 4728 KB  
Article
Effect of Laser Power on the Microstructure and Corrosion Resistance of NiCrBSi(Nb) Laser Clad Coatings
by Iosif Hulka, Alexandru Pascu and Dan-Cristian Cuculea
Crystals 2025, 15(9), 759; https://doi.org/10.3390/cryst15090759 - 27 Aug 2025
Viewed by 581
Abstract
Aiming to enhance the surface properties of low-carbon steel, NiCrBSi coatings containing 10 wt.% Nb were fabricated via pulsed laser cladding. Samples were realized with laser power ranging from 2800 to 3200 W. Scanning electron microscopy (SEM), coupled with energy-dispersive X-ray (EDX) analysis, [...] Read more.
Aiming to enhance the surface properties of low-carbon steel, NiCrBSi coatings containing 10 wt.% Nb were fabricated via pulsed laser cladding. Samples were realized with laser power ranging from 2800 to 3200 W. Scanning electron microscopy (SEM), coupled with energy-dispersive X-ray (EDX) analysis, was used to examine the microstructure and chemical composition. X-ray diffraction (XRD) was employed to evaluate the new phases formed within the coatings compared to the initial powder composition. Hardness measurements and corrosion resistance in a 3.5% NaCl solution were conducted to evaluate the effect of the Nb alloying on the properties of the cladded layers. In all cases, good metallurgical bonds were formed between the coatings and the substrate. However, the coatings produced at low laser power were thinner, and the substrate experienced more intense thermal exposure, resulting in increased dissolution of iron from the substrate. Increasing the laser power significantly enhanced the hardness of the coating compared to coatings produced using lower power. These phenomena can be the result of improved powder cladding efficiency, which can lead to thicker coatings with enhanced corrosion resistance. The results suggest that Nb addition can lead to improved mechanical behavior and corrosion resistance, but the process is highly dependent on the parameters and mainly on the laser power. Full article
(This article belongs to the Special Issue Advanced Surface Modifications on Materials (2nd Edition))
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