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Metals
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Innovative Surface Modification Techniques for Increasing the Wear Resistance of...
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Innovative Surface Modification Techniques for Increasing the Wear Resistance of Metallic Materials

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Failure Analysis".

Deadline for manuscript submissions: closed (30 June 2022) | Viewed by 2771

Special Issue Editor

Prof. Dr. John Coronado

E-Mail Website1 Website2 Website3
Guest Editor
School of Mechanical Engineering, Universidad del Valle, Cali 760031, Colombia
Interests: tribology; fatigue; fracture; manufacturing process

Special Issue Information

Dear Colleagues,

The interest in understanding the wear behavior in mechanical components has been gradually increasing. Severe wear can produce problems such as dimensional changes, which produce vibration and misalignment. Although it is rarely catastrophic, it may cause crack propagation and, ultimately, fracture. As a result, several surface modification techniques have been used in industrial applications to increase the wear resistance of metallic materials in the last several decades.

This Special Issue aims to address the latest research about wear behavior and friction in metallic materials with surface modification techniques such as surface treatments, thermal spraying, PVD thin-film deposition, laser surfacing, hardfacing deposits, cold working processing, among others. Different types of wear will be studied, including abrasion and hard-particle erosion, cavitation erosion and sliding wear. Computational simulations and the synergy between wear and corrosion will also be considered in this Special Issue.

Prof. Dr. John Coronado
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. Metals 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

  • metallic materials
  • wear behavior and friction
  • abrasion and hard-particle erosion
  • cavitation erosion
  • sliding wear
  • surface engineering
  • hardfacing deposits
  • thermal spraying
  • PVD thin-film deposition
  • cold working processing

Published Papers (2 papers)

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Research

20 pages, 13077 KiB  
Article
On the Tribocorrosion Behavior of Fe-Mn-Al-C Alloys in Ringer’s Solution
by Gisselle M. Barona-Osorio, Leonel A. Teran, Sara A. Rodríguez and John J. Coronado
Metals 2022, 12(8), 1339; https://doi.org/10.3390/met12081339 - 11 Aug 2022
Cited by 4 | Viewed by 1293
Abstract
The long-term performance of steels is affected by the simultaneous actions of wear and corrosion, known as tribocorrosion. The tribocorrosion behavior of fully austenitic steels: Fe-Mn-xAl-C (x = 0, 3.5 and 8.3 wt.%) in Ringer’s solution was investigated by using a pin on [...] Read more.
The long-term performance of steels is affected by the simultaneous actions of wear and corrosion, known as tribocorrosion. The tribocorrosion behavior of fully austenitic steels: Fe-Mn-xAl-C (x = 0, 3.5 and 8.3 wt.%) in Ringer’s solution was investigated by using a pin on disk tribometer adapted with a three-electrode corrosion cell. Open circuit potential and coefficient of friction evolution as well as polarization curves were measured. Corrosion rates were calculated by the Tafel extrapolation method, and wear rates were calculated by using a linear profilometer. Pure and total wear rates were higher for the 3Al alloy due to the greater precipitation and embedded calcium minerals, hydroxides, and oxides on the surface, to the detachment of the deformed layer and its adhesion to the counterbody. Additionally, the 8Al alloy exhibited the lowest tendency to corrosion and corrosion rate and the greatest synergistic effect, indicating that this alloy is more sensitive to this effect than the other alloys. For the three materials, the change in the wear rate due to corrosion had a greater contribution to the synergy than the change in corrosion rate due to wear and the damage in the materials was derived mainly from pure mechanical wear. Full article
(This article belongs to the Special Issue Innovative Surface Modification Techniques for Increasing the Wear Resistance of Metallic Materials)
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15 pages, 2836 KiB  
Article
A Modelling Study of the Correlation between the Layer Obtained by Selective Transfer and the Dislocations Movement at the Friction Surfaces Limit
by Filip Ilie and George Ipate
Metals 2022, 12(2), 180; https://doi.org/10.3390/met12020180 - 19 Jan 2022
Cited by 1 | Viewed by 1049
Abstract
The selective transfer phenomenon (STP) is based on physico-chemical processes occurring in the contact area of a friction pair, with an element from a copper alloy and allows the metallic transfer of particles of micro/nanometric size, forming a thin superficial tribologically performing layer [...] Read more.
The selective transfer phenomenon (STP) is based on physico-chemical processes occurring in the contact area of a friction pair, with an element from a copper alloy and allows the metallic transfer of particles of micro/nanometric size, forming a thin superficial tribologically performing layer under energy and relative motion conditions. During the formation of the layer, its crystalline network has an excess of defects and this makes the dislocations to come to the surface. The layer thickness is small, porous, and with comparable dimensions to those of the tensions field of the dislocations. This paper presents a review and analysis of the STP based on dislocations movement to establish and know the tensions field influence, the energy (about 0.25 J/m), and the linear tension of dislocations (~2.42 × 10−9 N) at the contact surfaces zone of a friction pair, by which we can ensure a low wear state (~4.16 × 10−5–2.16 × 10−4 g/min), and a reduced friction coefficient (~0.014–0.034). Therefore, the purpose of the paper is to analyze the STP based on the dislocations movement because is proves the existence (presence), importance, and utility of the dislocations, respectively, the dislocations movements during the conditions’ selective transfer, at the limit of the friction surfaces, under the action of a tensions field, whose components are determined analytically by modelling, together with energy and the linear tension. Also, the layer formed through STP has the property of ensuring during the deformation process an agglomeration of dislocations (structural defects) which protects it from destruction, and therefore, a self-regulation of the equilibrium processes, disturbed during the friction process, to maintain the friction and wear of the friction pairs within reduced limits. Full article
(This article belongs to the Special Issue Innovative Surface Modification Techniques for Increasing the Wear Resistance of Metallic Materials)
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