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Coatings
Special Issues
Recent Developments in Interfaces and Surfaces Engineering
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Recent Developments in Interfaces and Surfaces Engineering

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

Deadline for manuscript submissions: 28 February 2025 | Viewed by 6769

Special Issue Editors

Prof. Dr. Frédéric C. Lebon

E-Mail Website
Guest Editor
CNRS, Laboratoire de Mécanique et d'Acoustique, Université Aix-Marseille, 13007 Marseille, France
Interests: structure mechanics; solid mechanics; computational mechanics; contact mechanics; modeling
Special Issues, Collections and Topics in MDPI journals
Dr. Raffaella Rizzoni

E-Mail Website
Guest Editor
Department of Engineering, University of Ferrara, 44121 Ferrara, Italy
Interests: solid and structural mechanics; contact problems; shape memory alloys; elasticity
Special Issues, Collections and Topics in MDPI journals
Dr. Maria Letizia Raffa

E-Mail Website
Guest Editor
Laboratoire QUARTZ, ISAE-SUPMECA, 93400 Saint-Ouen, France
Interests: solid and structural mechanics; contact mechanics; homogenization; damage; modeling

Special Issue Information

Dear Colleagues,

Interfaces, interphases and surfaces play an essential role in determining the mechanical behavior, structural integrity and lifespan of a wide variety of materials and structures.

The challenges in interface and surface engineering (design, modeling, characterization, manufacturing, etc.) are often multi-scale and multi-physics (e.g. coupling of mechanical and environmental conditions). These challenges are relevant to countless fields, ranging from the transport industry and the structures and infrastructures industries to the biomedical industry.

This Special Issue is dedicated to recent advances in fundamental and applied research on solid material interfaces and surfaces.

Contributions concerning theoretical, numerical and experimental aspects from scientists working in different fields of materials science and the mechanics of materials and structures are welcome.

The topics of interest include, but are not limited to, the following:

  • Multi-scale and multi-physics modeling of interphases, thin films and surfaces;
  • Tribology of rough contacting surfaces, surface treatments effects and coatings;
  • Models of imperfect, sliding, debonding or cohesive interfaces in composite materials;
  • Deformation, damage, fracture and other dissipative processes at interfaces;
  • Advanced finite element methods for interface and surface modeling;
  • Recent developments in interface and surface design;
  • Recent developments in adhesive bonding technology and materials.

Prof. Dr. Frédéric Lebon
Dr. Raffaella Rizzoni
Dr. Maria Letizia Raffa
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

  • interfaces engineering
  • surface engineering
  • interphases
  • mechanical behavior
  • multi-scale modeling
  • adhesive bonding

Published Papers (5 papers)

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Research

13 pages, 3657 KiB  
Article
Phase Equilibria in the Fe-Mo-Co System: Experimental Investigation and Thermodynamic Calculation
by Minghuan Li, Zhiyong Peng, Yansong Shang and Yongxiong Liu
Coatings 2023, 13(7), 1215; https://doi.org/10.3390/coatings13071215 - 07 Jul 2023
Cited by 1 | Viewed by 891
Abstract
As a kind of high-performance tool material, the phase relationship and microstructure evolution of Fe-Mo-Co alloy during manufacturing processes deserve attention and study. In the present work, isothermal sections of the Fe-Mo-Co system at 800 and 1350 °C were investigated using the equilibrium [...] Read more.
As a kind of high-performance tool material, the phase relationship and microstructure evolution of Fe-Mo-Co alloy during manufacturing processes deserve attention and study. In the present work, isothermal sections of the Fe-Mo-Co system at 800 and 1350 °C were investigated using the equilibrium alloy method and diffusion couple technology. No ternary compounds were found in either isothermal section. Four three-phase regions and two three-phase regions were determined at 1350 and 800 °C, respectively. The μ-Fe7Mo6 phase presents a continuous solid solution in the two isothermal sections. A set of self-consistent thermodynamic parameters of the Fe-Mo-Co ternary system were obtained. The calculated results using the obtained thermodynamic parameters are in good agreement with the experimental results. Full article
(This article belongs to the Special Issue Recent Developments in Interfaces and Surfaces Engineering)
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14 pages, 3482 KiB  
Article
A Single-Variable Zigzag Approach to Model Imperfect Interfaces in Layered Beams
by Ilaria Monetto and Roberta Massabò
Coatings 2023, 13(2), 445; https://doi.org/10.3390/coatings13020445 - 15 Feb 2023
Viewed by 1288
Abstract
The flexibility of the bonds between the adjacent layers of multi-layered systems and their degradation or the presence of delaminations strongly affect mechanical response and final collapse. The formulation of accurate and efficient models able to capture the complex local distributions of stresses [...] Read more.
The flexibility of the bonds between the adjacent layers of multi-layered systems and their degradation or the presence of delaminations strongly affect mechanical response and final collapse. The formulation of accurate and efficient models able to capture the complex local distributions of stresses and displacements, which arise due to the layered structure and imperfect bonding, is of great importance for the design and verification of the systems. In this paper a novel and effective “single-variable zigzag” theory is formulated to analyze beams with homogeneous layers made of the same material and imperfect interfaces, which allow sliding between the layers. The primal variable is a fictitious bending displacement, which is derived in order to define all other kinematic and static quantities in terms of it. The “zigzag” technique describes multilayer systems with imperfect interfaces as equivalent single-layers, so that the problem is governed by equations similar to those of the classical theories for homogeneous beams; the “single-variable” formulation facilitates the implementation into numerical schemes and eliminates well-known numerical problems. Explicit solutions are straightforwardly derived for simply supported beams subjected to uniform and sinusoidal transverse loads. The results for some exemplary structural elements confirm the accuracy and efficiency of the approach. The study is preliminary to the single-variable reformulation and numerical implementation of the zigzag models for laminates with elastic mismatch between the layers. Full article
(This article belongs to the Special Issue Recent Developments in Interfaces and Surfaces Engineering)
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19 pages, 4657 KiB  
Article
Tribological Behavior of Structural Steel with Different Surface Finishing and Treatments for a Novel Seismic Damper
by Eleonora Grossi, Enrico Baroni, Alessandra Aprile, Annalisa Fortini, Matteo Zerbin and Mattia Merlin
Coatings 2023, 13(1), 135; https://doi.org/10.3390/coatings13010135 - 10 Jan 2023
Cited by 3 | Viewed by 1333
Abstract
In the context of developing an innovative seismic dissipation system, which aims to compromise on the steadiness of friction and processes costs, this work deals with the tribological characterization of an S355JR structural steel, whose surface has been preliminarily treated by different mechanical [...] Read more.
In the context of developing an innovative seismic dissipation system, which aims to compromise on the steadiness of friction and processes costs, this work deals with the tribological characterization of an S355JR structural steel, whose surface has been preliminarily treated by different mechanical and galvanic processes. Tribological tests were performed in a pin-on-disk configuration and in reciprocating motion, using values of 1 Hz and 2 Hz as the motion inversion frequency, a constant normal load of 50 N, and variable test duration, according to the most frequent seismic events. The tribological system was composed of S355JR structural steel pins and disks of the same steel, which were alternatively treated by electrolytic nickel plating, electrolytic zinc plating, and two different shot peening processes. The results highlight that while electrolytic nickel increments the overall steadiness of the coefficient of friction (COF), electrolytic zinc plating guarantees the longest first steady-state stage and a COF lower than the one guaranteed by the coupling of untreated pins and disk. Full article
(This article belongs to the Special Issue Recent Developments in Interfaces and Surfaces Engineering)
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24 pages, 845 KiB  
Article
A Micromechanical Model for Damage Evolution in Thin Piezoelectric Films
by Raffaella Rizzoni, Michele Serpilli, Maria Letizia Raffa and Frédéric Lebon
Coatings 2023, 13(1), 82; https://doi.org/10.3390/coatings13010082 - 03 Jan 2023
Cited by 1 | Viewed by 1452
Abstract
Thin-film piezoelectric materials are advantageous in microelectromechanical systems (MEMS), due to large motion generation, high available energy and low power requirements. In this kind of application, thin piezoelectric films are subject to mechanical and electric cyclic loading, during which damage can accumulate and [...] Read more.
Thin-film piezoelectric materials are advantageous in microelectromechanical systems (MEMS), due to large motion generation, high available energy and low power requirements. In this kind of application, thin piezoelectric films are subject to mechanical and electric cyclic loading, during which damage can accumulate and eventually lead to fracture. In the present study, continuum damage mechanics and asymptotic theory are adopted to model damage evolution in piezoelectric thin films. Our purpose is to develop a new interface model for thin piezoelectric films accounting for micro-cracking damage of the material. The methods used are matched asymptotic expansions, to develop an interface law, and the classic thermodynamic framework of continuum damage mechanics combined with Kachanov and Sevostianov’s theory of homogenization of micro-cracked media, to characterize the damaging behavior of the interface. The main finding of the paper is a soft imperfect interface model able to simulate the elastic and piezoelectric behavior of thin piezoelectric film in the presence of micro-cracking and damage evolution. The obtained interface model is expected to be a useful tool for damage evaluation in MEMS applications. As an example, an electromechanically active stack incorporating a damaging piezoelectric layer is studied. The numerical results indicate a non-linear evolution of the macroscopic response and a damage accumulation qualitatively consistent with experimental observations. Full article
(This article belongs to the Special Issue Recent Developments in Interfaces and Surfaces Engineering)
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20 pages, 2414 KiB  
Article
Modeling of Imperfect Viscoelastic Interfaces in Composite Materials
by Oscar Luis Cruz-González, Reinaldo Rodríguez-Ramos, Frederic Lebon and Federico J. Sabina
Coatings 2022, 12(5), 705; https://doi.org/10.3390/coatings12050705 - 20 May 2022
Cited by 2 | Viewed by 1722
Abstract
The present work deals with hierarchical composites in three dimensions, whose constituents behave as non-aging linear viscoelastic materials. We model the influence that imperfect viscoelastic interfaces have on the macroscopic effective response of these structures. As an initial approach, the problem of two [...] Read more.
The present work deals with hierarchical composites in three dimensions, whose constituents behave as non-aging linear viscoelastic materials. We model the influence that imperfect viscoelastic interfaces have on the macroscopic effective response of these structures. As an initial approach, the problem of two bodies in adhesion is studied and in particular the case of soft viscoelastic interface at zero-order is considered. We deduce the integral form of the viscoelastic interface by applying the matched asymptotic expansion method, the correspondence principle, and the Laplace–Carson transform. Then, by adapting the integral form previously obtained, we address a heterogeneous problem for periodic structures. Here, theoretical results obtained for perfect interfaces are extended to the formal viscoelastic counterpart of the spring-type imperfect interface model. Finally, we show the potential of the proposed approach by performing calculations of effective properties in heterogeneous structures with two- and three-scale geometrical configurations and imperfect viscoelastic interfaces. Full article
(This article belongs to the Special Issue Recent Developments in Interfaces and Surfaces Engineering)
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