Advanced Coating Materials for Machining Processes

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Characterization, Deposition and Modification".

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 8716

Special Issue Editors

School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Interests: fibrous composites; metallic alloys; hybrid composite stacks; high-performance materials; functional surfaces; multilayer coatings; coating evaluation; coated tools; mechanical machining; materials processing; numerical modeling surface texturing
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Guest Editor
Arts et Métiers Institute of Technology, MSMP, HESAM Université, F-51006 Châlons-en-Champagne, France
Interests: advanced manufacturing; tribology; functional surfaces; biomimetic engineering

Special Issue Information

Dear Colleagues,

In recent decades, the emergence of advanced coating materials has greatly impacted the tooling techniques applied to the machining processes of various types of engineering workpiece materials. Advanced coating materials are generally featured by superior mechanical/thermal behaviors in comparison with conventional tool materials such as high-speed steel and tungsten carbide. The outstanding characteristics possessed by coating materials can greatly improve the cutting conditions dominating the tool–chip and tool–work interactions during the material removal process. This can be evidenced by the remarkable reduction of cutting forces/temperatures, the improvement of cut surface quality as well as the extension of tool life. To date, many research studies have shown the successful applications of advanced coating materials for high-quality and high-efficiency machining of difficult-to-cut materials. The results of these investigations have contributed to the scientific understanding of the coating material effects on the cutting responses of engineering materials and the wear mechanisms of various coated cutting tools.

This Special Issue aims to provide a platform for both academic and industrial researchers to disseminate their original research and critical review articles on all aspects of advanced coating materials utilized for diverse machining operations. Papers reporting important findings, novel insights, or useful techniques within the scope of this Special Issue are all welcome.

The topics of interest include but are not limited to:

  • Fabrication and characterization of advanced coating materials;
  • Evaluation of cutting performances of coated tools;
  • Modeling and simulation of machining operations using coated tools;
  • Machinability assessment of hard-to-cut materials;
  • Thermal and frictional behaviors of coating materials;
  • Wear modes and failure mechanisms of coated cutting tools;
  • Quantification of coated tool wear in machining;
  • Wear control strategies of coated cutting tools;
  • Theoretical prediction of coated tool life;
  • Machining quality and defects assessment when using coated tools.

Prof. Dr. Jinyang Xu
Prof. Dr. Mohamed El Mansori
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 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

  • Advanced coated tools
  • Coating assessment
  • Cutting performance
  • Machining operations
  • Wear mechanisms
  • Wear prediction

Published Papers (3 papers)

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Editorial

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2 pages, 183 KiB  
Editorial
Advanced Coating Materials for Machining Processes
by Jinyang Xu and Mohamed El Mansori
Coatings 2022, 12(7), 910; https://doi.org/10.3390/coatings12070910 - 28 Jun 2022
Viewed by 1376
Abstract
Nowadays, the manufacturing community is facing considerable challenges in dealing with excessive wear and premature failures of cutting tools governing the machining processes [...] Full article
(This article belongs to the Special Issue Advanced Coating Materials for Machining Processes)

Research

Jump to: Editorial

16 pages, 7155 KiB  
Article
Reducing the Energy Consumption of Circular Saws in the Cutting Process of Plywood
by Jozef Fekiač, Ján Svoreň, Jozef Gáborík and Miroslav Němec
Coatings 2022, 12(1), 55; https://doi.org/10.3390/coatings12010055 - 03 Jan 2022
Cited by 9 | Viewed by 1804
Abstract
Cutting, as the most widely used machining process, is applied in both primary and secondary wood processing. Optimum cutting conditions that result in the high quality of the machined surface and low energy consumption are crucial for wood processing. The effects of the [...] Read more.
Cutting, as the most widely used machining process, is applied in both primary and secondary wood processing. Optimum cutting conditions that result in the high quality of the machined surface and low energy consumption are crucial for wood processing. The effects of the feed speed, cutting speed and average chip thickness on the energy consumption and surface temperature of a circular saw blade during the cutting process of two types of plywood with a thickness of h = 14 mm is described in this paper. In experimental measurements, two circular saw blades with cutting tungsten carbide inserts for wood were used as tools. One circular saw blade was standard, and was not surface treated (CSB1), and second circular saw blade (CSB2) differed by the powder coating surface and the length of the cutting edge. In the experiment, the energy consumption and the surface temperature of the circular saw blade was measured in order to find the optimal cutting conditions for the most energy-efficient cutting process. The results show that the cutting power and the surface temperature of the circular saw blade increased when the feed speed increased. The investigated values of the surface-treated circular saw blade were lower compared to the values of the standard circular saw blade. When comparing the lightweight plywood with the classic plywood, experimentally obtained cutting power values of the circular saw were made 19% lower on average by using the circular saw blade CSB1. When using the CSB2 circular saw blade, these values of the cutting power of the circular saw were 22% lower on average. The surface temperature of the circular saw blade is the highest on the outer edge (tooth root area 31.7 °C) and decreases towards the center of the circular saw blade. There must be a reasonable compromise between machine productivity and energy consumption. Full article
(This article belongs to the Special Issue Advanced Coating Materials for Machining Processes)
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17 pages, 6436 KiB  
Article
Analysis of Surface Roughness and Flank Wear Using the Taguchi Method in Milling of NiTi Shape Memory Alloy with Uncoated Tools
by Emre Altas, Hasan Gokkaya, Meltem Altin Karatas and Dervis Ozkan
Coatings 2020, 10(12), 1259; https://doi.org/10.3390/coatings10121259 - 19 Dec 2020
Cited by 19 | Viewed by 3903
Abstract
The aim of this study was to optimize machining parameters to obtain the smallest average surface roughness (Ra) and flank wear (Vb) values as a result of the surface milling of a nickel-titanium (NiTi) shape memory alloy (SMA) with uncoated cutting tools with [...] Read more.
The aim of this study was to optimize machining parameters to obtain the smallest average surface roughness (Ra) and flank wear (Vb) values as a result of the surface milling of a nickel-titanium (NiTi) shape memory alloy (SMA) with uncoated cutting tools with different nose radius (rε) under dry cutting conditions. Tungsten carbide cutting tools with different rε (0.4 mm and 0.8 mm) were used in milling operations. The milling process was performed as lateral/surface cutting at three different cutting speeds (Vc) (20, 35 and 50 m/min), feed rates (fz) (0.03, 0.07 and 0.14 mm/tooth) and a constant axial cutting depth (0.7 mm). The effects of machining parameters in milling experiments were investigated based on the Taguchi L18 (21 × 32) orthogonal sequence, and the data obtained were analyzed using the Minitab 17 software. To determine the effects of processing parameters on Ra and Vb, analysis of variance (ANOVA) was used. The analysis results reveal that the dominant factor affecting the Ra is the cutting tool rε, while the main factor affecting Vb is the fz. Since the predicted values and measured values are very close to each other, it can be said that optimization is correct according to the validation test results. Full article
(This article belongs to the Special Issue Advanced Coating Materials for Machining Processes)
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