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Eng
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Advances in Precision Machining and Surface Engineering of Materials
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Advances in Precision Machining and Surface Engineering of Materials

A special issue of Eng (ISSN 2673-4117). This special issue belongs to the section "Materials Engineering".

Deadline for manuscript submissions: 31 October 2026 | Viewed by 774

Special Issue Editors

Dr. Dong Yang

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Anhui University, Hefei 230601, China
Interests: materials processing; surface integrity; surface engineering; cutting tools
Prof. Dr. Feng Xie

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Anhui University, Hefei 230601, China
Interests: modeling of intelligent manufacturing systems; advanced manufacturing technologies

Special Issue Information

Dear Colleagues,

We are pleased to announce the launch of this Special Issue, entitled “Advances in Precision Machining and Surface Engineering of Materials”. In recent years, precision machining and surface engineering have become core to high-end manufacturing, supporting the aerospace, semiconductor and automotive sectors, etc., where demands for ultra-high precision, long service life and eco-friendly performance are growing. This issue aims to present recent research and technological developments in these fields, with a focus on enhancing the performance, durability and functionality of engineering materials. Cutting-edge directions here include AI-driven intelligent machining, digital twins, low-energy green surface modification and multi-scale in situ surface integrity characterization.

Topics of interest include, but are not limited to, the following: novel machining processes, surface modification techniques, characterization of surface integrity, tool wear and life prediction, fatigue behavior of machined components and sustainable manufacturing practices. For submissions, original research should offer novel findings with rigorous experiments and reliable data; reviews should synthesize latest progress, identify challenges and propose future directions, aligning with this issue’s focus.

We cordially invite researchers and practitioners to contribute such works, which will help advance the understanding and implementation of high-precision, high-quality manufacturing processes across various industrial sectors.

Dr. Dong Yang
Prof. Dr. Feng Xie
Guest Editors

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 250 words) can be sent to the Editorial Office for assessment.

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. Eng 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 1400 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

  • precision machining
  • surface engineering
  • materials processing
  • surface integrity
  • cutting tools
  • machining accuracy
  • surface modification
  • advanced materials
  • tool technology

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

Published Papers (2 papers)

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Research

15 pages, 3870 KB  
Article
Planar Non-Uniformity of Regular and Partially Regular Microreliefs and Method for Its Evaluation
by Volodymyr Dzyura, Pavlo Maruschak, Roman Bytsa and Ihor Zinchenko
Eng 2025, 6(11), 314; https://doi.org/10.3390/eng6110314 - 5 Nov 2025
Viewed by 203
Abstract
Based on the analysis of grooves of regular and partially regular microreliefs formed on flat surfaces, the relationship between the geometric parameters of the grooves of their microreliefs, which ensures their regularity, was revealed. The functionality of the existing parameter for assessing the [...] Read more.
Based on the analysis of grooves of regular and partially regular microreliefs formed on flat surfaces, the relationship between the geometric parameters of the grooves of their microreliefs, which ensures their regularity, was revealed. The functionality of the existing parameter for assessing the oil capacity of the surface of the relative area of the grooves of the microrelief was analyzed. It was proved that the parameter—the relative area of the grooves of the microrelief—is insensitive to their distribution on the plane. A new graph-analytical method for determining the planar heterogeneity of the distribution of the area of the grooves of the microreliefs was developed. A numerical parameter—the coefficient of planar heterogeneity, which determines the uniformity of the distribution of the area of the grooves on the plane, was also substantiated. The effectiveness of the new approach was demonstrated and proven. Graphs of longitudinal and transverse planar heterogeneity of the main forms of the grooves of the microreliefs were constructed, which will eliminate the need to obtain complex analytical dependencies to determine the area of these grooves. By analyzing the graphs of planar heterogeneity, numerical values of the heterogeneity coefficient were determined—a parameter that characterizes the homogeneity of microrelief grooves in the axial and interaxial directions. It is proposed to search for optimal placement schemes of adjacent microrelief grooves on the plane based on the analysis of their planar heterogeneity coefficients. This will ensure an increase in the plane heterogeneity coefficient from 0.69 to 0.97 for the triangular shape of the grooves, from 0.87 to 0.83 for the sinusoidal and from 0.46 to 0.69 for the groove shape in the form of a truncated cycloid, with the same relative areas of the microrelief. Full article
(This article belongs to the Special Issue Advances in Precision Machining and Surface Engineering of Materials)
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25 pages, 6510 KB  
Article
Enhancing Dry-Sliding Wear Performance of a Powder-Metallurgy-Processed “Metal Matrix–Carbide” Composite via Laser Surface Modification
by Yuliia Chabak, Vasily Efremenko, Yevhen Barma, Ivan Petrišinec, Bohdan Efremenko, František Kromka, Ivan Sili and Taras Kovbasiuk
Eng 2025, 6(11), 313; https://doi.org/10.3390/eng6110313 - 5 Nov 2025
Viewed by 448
Abstract
The increasing demand for enhanced wear resistance and mechanical integrity in tooling applications has driven the development of advanced surface engineering strategies for high-alloy steels. Böhler K390 MICROCLEAN, a powder-metallurgical V–Cr–Mo–W cold work tool steel with high vanadium content, features a composite metal [...] Read more.
The increasing demand for enhanced wear resistance and mechanical integrity in tooling applications has driven the development of advanced surface engineering strategies for high-alloy steels. Böhler K390 MICROCLEAN, a powder-metallurgical V–Cr–Mo–W cold work tool steel with high vanadium content, features a composite metal matrix–carbide microstructure, consisting of uniformly distributed coarse vanadium carbides and finer carbides (M7C3, M6C/MC) embedded in a ferritic matrix. This study investigated the effects of non-melting laser surface treatment (LST) applied to both as-received and bulk heat-treated K390 specimens. Microstructural characterization using SEM, EBSD, XRD, and EDX revealed the formation of a hardened surface layer comprising a structureless mixture of ultrafine-grained martensite and retained austenite, localized around vanadium carbides. Lattice parameter analysis and Williamson–Hall evaluation demonstrated increased carbon content, lattice distortion, and crystallite size reduction, contributing to high dislocation density (6.4 × 1014 to 2.6 × 1015 m−2) and enhanced hardness. Microhardness was increased by up to 160% compared to the initial state (reaching 835–887 HV20), and dry-sliding testing showed up to 3.94 times reduced volume loss and decreased friction coefficients. Wear occurred via the formation and delamination of thin oxide tribo-layers, which enhanced the wear behavior. The combined approach of bulk heat treatment followed by LST produced a graded microstructure with superior mechanical stability, offering clear advantages for extending tool life under severe contact loads in stamping and forming operations. Full article
(This article belongs to the Special Issue Advances in Precision Machining and Surface Engineering of Materials)
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