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Lubricants
Special Issues
Tribological Behavior of Metal Coatings
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Tribological Behavior of Metal Coatings

A special issue of Lubricants (ISSN 2075-4442).

Deadline for manuscript submissions: closed (30 October 2023) | Viewed by 1564

Special Issue Editors

Prof. Dr. Ricardo D. Torres

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Polytechnic School, Pontifícia Universidade Católica do Paraná, Rua Imaculada Conceição, 1155 - Prado Velho, Curitiba 80215-901, PR, Brazil
Interests: surface modification; hard coatings; phase transformation; machining; forming; wear; friction
Prof. Dr. Fred Lacerda Amorim

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Polytechnic School, Pontifícia Universidade Católica do Paraná, Rua Imaculada Conceição, 1155 - Prado Velho, Curitiba 80215-901, PR, Brazil
Interests: machining; coatings; cutting tool; metallic alloys

Special Issue Information

Dear Colleagues,

The tribological behavior of metal coatings is a Special Issue of Lubricants dedicated to spreading quality scientific contributions on the tribological behavior of hard metal coatings obtained by PVD, CVD, plasma-assisted and electroless processes, among others. In this Special Issue, the tribological fundamentals of nitrides, carbon nitrides and titanium aluminum nitrides in the machining and forming process are of interest. Research reports on coatings obtained by plasma spray and related techniques for highly abrasive applications, and investigations of coatings' phase transformation induced by friction and temperature, are welcome. Manuscripts on the relation among coatings' microstructure, mechanical behavior and tribological performance are encouraged to be submitted.

Prof. Dr. Ricardo D. Torres
Prof. Dr. Fred Lacerda Amorim
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. Lubricants 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

  • PVD coatings
  • CVD coatings
  • electroless coatings
  • plasma-deposited coatings
  • tribological behavior
  • hard coatings
  • wear mechanism
  • metallic coatings
  • tribological behavior
  • friction coefficient

Published Papers (1 paper)

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Research

22 pages, 8599 KiB  
Article
Simple Deconvolution Models for Evaluating the True Microhardness of Thin Nanostructured Coatings Deposited via an Advanced Physical Vapor Deposition Technique
by Uldis Kanders, Karlis Kanders, Ernests Jansons, Janis Lungevics, Raimonds Sirants, Armands Leitans and Irina Boiko
Lubricants 2023, 11(12), 501; https://doi.org/10.3390/lubricants11120501 - 26 Nov 2023
Viewed by 1250
Abstract
This article discusses the micromechanical properties and true microhardness determination of nanostructured tribological coatings (NTCs) based on a multilayered alternating nitride/carbonitride bilayer substructure for transition metals. The constituent nitride/carbonitride bilayers in the superlattice structure of the NTC were alloyed with refractory metals, denoted [...] Read more.
This article discusses the micromechanical properties and true microhardness determination of nanostructured tribological coatings (NTCs) based on a multilayered alternating nitride/carbonitride bilayer substructure for transition metals. The constituent nitride/carbonitride bilayers in the superlattice structure of the NTC were alloyed with refractory metals, denoted as Me = Me1 or Me2= Cr, Hf, Nb, W, and Zr. The resulting NTC coatings were deposited onto 100Cr6 steel substrates using an advanced physical vapor deposition (PVD) technique, referred to here as high-power ion-plasma magnetron sputtering (HiPIPMS). The comprising crystalline nanometer-scale TiAlSiMe1-N/TiMe2-CN nanoparticles strengthened by Me additives significantly increased the NTC microhardness to over 3200 HV. The primary focus of this research was to determine the true microhardness of the NTC film samples. The apparent microhardness (Ha) of the film/substrate system for various NTC samples was measured during microindentation testing using the Vickers method. Nine NTC samples were tested, each generating a corresponding microindentation dataset containing between 430 and 640 imprints, depending on the specific NTC sample. These datasets were analyzed using three distinct empirical approaches: (i) the inverse power-law model (IPL-Model), (ii) the sigmoid-like decay model (SLD-Model), and (iii) the error function model (ERF-Model). The observed solid correlation between the proposed models and experiments suggests that the true microhardness estimates (Hf) obtained through the empirical mathematical modeling approach are reliable. Full article
(This article belongs to the Special Issue Tribological Behavior of Metal Coatings)
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