Welding Techniques in Surface Engineering

A special issue of Coatings (ISSN 2079-6412).

Deadline for manuscript submissions: 30 September 2025 | Viewed by 396

Special Issue Editor


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Guest Editor
Welding Department, Faculty of Mechanical Engineering, Silesian University of Technology, Konarskiego Street 18A, 44-100 Gliwice, Poland
Interests: weldability of modern construction materials; metallurgy of welding processes; quality control of welding processes; abrasive and erosive wear processes and the use of nanostructured carbon materials to modify the properties and structure of welds; plasma cutting
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Special Issue Information

Dear Colleagues,

I would like to invite you to prepare scientific publications on broadly understood welding technologies used to modify the functional properties and structure of surface layers in materials engineering, which has become the area of ​​interest for many scientists from research centres around the world. Welding technologies such as surfacing, spraying, remelting and alloying play a huge role in this aspect. In order to obtain appropriate functional properties, in addition to mastering the production technology, an appropriate additional material must be proposed or developed. We aim to present modern achievements in the area of ​​manufacturing technology, metallurgy and process quality assessment. Computer techniques using advanced computational tools play a huge role in predicting structure and properties, and these aspects should also be presented.

This Special Issue will serve as a forum for papers on the following concepts:

- Technologies for producing surface layers using welding methods;

- Modern additional materials with special functional properties;

- The use of computer methods to predict the properties of surface layers;

- Qualitative assessment of broadly understood modification of surface layers;

- Diagnostics of manufacturing processes;

- Application of artificial intelligence in surface engineering.

Prof. Dr. Jacek Górka
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

  • manufacturing technologies
  • surface layers
  • properties and structure
  • wear
  • quality

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Published Papers (1 paper)

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Research

16 pages, 26634 KiB  
Article
The Microstructure and Properties of Laser-Cladded Ni-Based Self-Fluxing Alloy Coatings Reinforced by TiC Particles
by Jacek Górka, Aleksandra Lont and Tomasz Poloczek
Coatings 2025, 15(5), 527; https://doi.org/10.3390/coatings15050527 (registering DOI) - 28 Apr 2025
Viewed by 73
Abstract
In this study, NiCrBSi composite coatings reinforced with 5–15 wt.% TiC particles were prepared using laser cladding to investigate the influence of the TiC content and laser beam power on the coatings’ quality, structure, and properties. Penetrant tests revealed the presence of cracks [...] Read more.
In this study, NiCrBSi composite coatings reinforced with 5–15 wt.% TiC particles were prepared using laser cladding to investigate the influence of the TiC content and laser beam power on the coatings’ quality, structure, and properties. Penetrant tests revealed the presence of cracks in the composite coatings, which were reduced with the higher laser power due to a decrease in cooling rate. A macroscopic analysis showed that pure NiCrBSi coatings exhibited a high quality and were free of defects, while the addition of TiC particles led to the formation of large pores, particularly in coatings produced with a lower laser power. Microstructural characterization was conducted using Scanning Electron Microscopy (SEM), Energy-Dispersive Spectroscopy (EDS), and X-ray Diffraction (XRD). The microstructure of the pure NiCrBSi coatings consisted of an austenitic matrix with chromium-based precipitates (carbides and borides). Variations in structural morphology across different regions of the coatings and under varying laser powers were described. When TiC particles were added, partial dissolution occurred in the molten pool, enriching it with titanium and carbon, which subsequently led to the precipitation of titanium carbides. The average microhardness of the composite coatings increased by 28%–40% compared to the pure NiCrBSi coating, while the erosion resistance remained comparable. Solid particle erosion tests in accordance with the ASTM G76-18 standard resulted in average erosion values of the pure NiCrBSi coating of 0.0056 and 0.0025 mm3/g for the 30° and 90° impingement angles, respectively. Full article
(This article belongs to the Special Issue Welding Techniques in Surface Engineering)
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