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Special Issue "Wear-Corrosion Synergy, Nanocoating and Control of Materials"

A special issue of Materials (ISSN 1996-1944).

Deadline for manuscript submissions: 31 October 2017

Special Issue Editor

Guest Editor
Prof. Zulfiqar Khan

Faculty of Science and Technology, NanoCorr, Energy & Modelling Research (NCEM), Bournemouth University, UK
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Special Issue Information

Dear Colleagues,

Materials (ISSN 1996–1944), is an open access journal, and it is indexed by SCIE, EI and Scopus. The journal Impact Factor is 2.728 (2015), 5-year impact factor is 3.300 (2015) and it is a quartile 1 (Q1) journal as list by SJR. Materials journal is part of MDPI (Multidisciplinary Digital Publishing Institute), an open-access academic publisher.

I am pleased to let you know that we are putting together a Special Issue of Materials, "Wear-Corrosion Synergy, Nanocoating and Control of Materials". There is a twofold strategy.

(1) Currently there is an emphasis on publishing within open access journals or journals which support open access. This allows research outcomes to be more widely disseminated among researchers, academics, students and various stakeholders and will lead to impacts. Open access is driven by HEFCE (Higher Education Funding Council) and REF (Research Excellence Framework) UK.

(2) In recent years, there has been a significant rise in multidisciplinary research activities that can deliver wide-ranging industrial and applied solutions. Research remains current and informs our education to bring social, economical and environmental benefits.

The interface of wear and corrosion poses challenging questions in terms of design for durability and reliability, both coupled together presents static and dynamics analytical challenges. Surface engineering has been growing over the past years, mainly due to performance, remaining life and energy waste related issues. Various types of coatings have been developed and applied to provide sustainable solutions. Research in nano-coating has been advanced in recent years mainly due to their robust, reliable and cost effective attributes. Control of materials involves optimisation of properties at micro and nano scale to achieve the best possible solutions.

There are significant opportunities for solving real world industrial and academic problems based on concepts and knowledge acquired through a multidisciplinary approach within wear, corrosion, nano-coating and materials by incorporating electrochemistry, fracture mechanics, heat transfer, modelling, simulation and materials science.

I cordially invite you to submit your latest research findings and review papers within the following themes for a greater exposure of your research activities. It is suggested to speak with the Guest Editor should you plan to submit a review paper.

 

Prof. Zulfiqar Khan
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 papers will be 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. Materials 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 1500 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

  • Tribo-corrosion
  • Nano coating
  • Materials optimisation, characterisation, testing
  • Modelling and simulation (static and dynamic)
  • Experimental techniques

Published Papers (4 papers)

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Research

Open AccessFeature PaperArticle Performance Analysis of Retrofitted Tribo-Corrosion Test Rig for Monitoring In Situ Oil Conditions
Materials 2017, 10(10), 1145; doi:10.3390/ma10101145
Received: 29 August 2017 / Revised: 25 September 2017 / Accepted: 26 September 2017 / Published: 28 September 2017
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Abstract
Oils and lubricants, once extracted after use from a mechanical system, can hardly be reused, and should be refurbished or replaced in most applications. New methods of in situ oil and lubricant efficiency monitoring systems have been introduced for a wide variety of
[...] Read more.
Oils and lubricants, once extracted after use from a mechanical system, can hardly be reused, and should be refurbished or replaced in most applications. New methods of in situ oil and lubricant efficiency monitoring systems have been introduced for a wide variety of mechanical systems, such as automobiles, aerospace aircrafts, ships, offshore wind turbines, and deep sea oil drilling rigs. These methods utilize electronic sensors to monitor the “byproduct effects” in a mechanical system that are not indicative of the actual remaining lifecycle and reliability of the oils. A reliable oil monitoring system should be able to monitor the wear rate and the corrosion rate of the tribo-pairs due to the inclusion of contaminants. The current study addresses this technological gap, and presents a novel design of a tribo-corrosion test rig for oils used in a dynamic system. A pin-on-disk tribometer test rig retrofitted with a three electrode-potentiostat corrosion monitoring system was used to analyze the corrosion and wear rate of a steel tribo-pair in industrial grade transmission oil. The effectiveness of the retrofitted test rig was analyzed by introducing various concentrations of contaminants in an oil medium that usually leads to a corrosive working environment. The results indicate that the retrofitted test rig can effectively monitor the in situ tribological performance of the oil in a controlled dynamic corrosive environment. It is a useful method to understand the wear–corrosion synergies for further experimental work, and to develop accurate predictive lifecycle assessment and prognostic models. The application of this system is expected to have economic benefits and help reduce the ecological oil waste footprint. Full article
(This article belongs to the Special Issue Wear-Corrosion Synergy, Nanocoating and Control of Materials)
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Open AccessArticle Experimental Investigation on Surface Quality Processed by Self-Excited Oscillation Pulsed Waterjet Peening
Materials 2017, 10(9), 989; doi:10.3390/ma10090989
Received: 29 July 2017 / Revised: 16 August 2017 / Accepted: 22 August 2017 / Published: 25 August 2017
PDF Full-text (12159 KB) | HTML Full-text | XML Full-text
Abstract
High-speed waterjet peening technology has attracted a lot of interest and is now being widely studied due to its great ability to strengthen metal surfaces. In order to further improve the mechanical properties of metals, self-excited oscillation pulsed waterjets (SOPWs) were used for
[...] Read more.
High-speed waterjet peening technology has attracted a lot of interest and is now being widely studied due to its great ability to strengthen metal surfaces. In order to further improve the mechanical properties of metals, self-excited oscillation pulsed waterjets (SOPWs) were used for surface peening with an experimental investigation focused on the surface topography and properties. By impinging the aluminum alloy (5052) specimens with SOPWs issuing from an organ-pipe oscillation nozzle, the hardness and roughness at various inlet pressures and stand-off distances were measured and analyzed, as well as the residual stress. Under the condition of optimum stand-off distances, the microscopic appearances of peened specimens obtained by SEM were displayed and analyzed. Results show that self-excited oscillation pulsed waterjet peening (SOPWP) is capable of improving the surface quality. More specifically, compared with an untreated surface, the hardness and residual stress of the peened surfaces were increased by 61.69% and 148%, respectively. There exists an optimal stand-off distance and operating pressure for creating the highest surface quality. SOPWP can produce almost the same enhancement effect as shot peening and lead to a lower surface roughness. Although such an approach is empirical and qualitative in nature, this procedure also generated information of value in guiding future theoretical and experimental work on the application of SOPWP in the industry practice. Full article
(This article belongs to the Special Issue Wear-Corrosion Synergy, Nanocoating and Control of Materials)
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Open AccessArticle Characterization of OT4-1 Alloy by Multi-Dome Forming Test
Materials 2017, 10(8), 899; doi:10.3390/ma10080899
Received: 18 July 2017 / Revised: 30 July 2017 / Accepted: 31 July 2017 / Published: 3 August 2017
PDF Full-text (2168 KB) | HTML Full-text | XML Full-text
Abstract
In this study, the rheological characteristics of a titanium alloy have been obtained by multi-dome bulging test. Free bulging process is an experimental technique that can be used to characterize material in conditions of biaxial tension during superplastic, as well as conventional, hot
[...] Read more.
In this study, the rheological characteristics of a titanium alloy have been obtained by multi-dome bulging test. Free bulging process is an experimental technique that can be used to characterize material in conditions of biaxial tension during superplastic, as well as conventional, hot forming. The constitutive constants are calculated on a base of the information about the bulge geometry, applied pressure, and forming time. A multi-dome forming test allows one to reduce the number of the experiments required for the characterization, since every multi-dome test produces several domes of different size. In this study, a specific die for multi-dome test was used. The die has six holes with different radiuses of 20, 25, 30, 35, 40, and 45 mm. During a test, the specimen is clamped between blank holder and die holder, heated to a specific temperature, and formed by applying constant gas pressure. The experiments were conducted at different temperatures for OT4-1 titanium alloy. The constitutive constants were obtained by processing the experimental data using two different techniques and compared with tensile test results. In order to estimate the influence of friction on the experimental results and to verify obtained material characteristics, finite element (FE) simulation was performed. Finally, the results of FE simulation were compared with the experimental data. The results of the simulation show the advantage of material characterization based on multi dome tests and its interpretation by inverse analysis. The deviations produced by the effect of friction are more significant when the direct approach is applied instead of inverse analysis with a semi analytical model of the bulging process. Full article
(This article belongs to the Special Issue Wear-Corrosion Synergy, Nanocoating and Control of Materials)
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Open AccessArticle The Wear Behavior of Textured Steel Sliding against Polymers
Materials 2017, 10(4), 330; doi:10.3390/ma10040330
Received: 11 February 2017 / Revised: 17 March 2017 / Accepted: 20 March 2017 / Published: 23 March 2017
Cited by 1 | PDF Full-text (13775 KB) | HTML Full-text | XML Full-text
Abstract
Artificially fabricated surface textures can significantly improve the friction and wear resistance of a tribological contact. Recently, this surface texturing technique has been applied to polymer materials to improve their tribological performance. However, the wear behavior of textured tribo-pairs made of steel and
[...] Read more.
Artificially fabricated surface textures can significantly improve the friction and wear resistance of a tribological contact. Recently, this surface texturing technique has been applied to polymer materials to improve their tribological performance. However, the wear behavior of textured tribo-pairs made of steel and polymer materials has been less thoroughly investigated and is not well understood; thus, it needs further research. The aim of this study is to investigate the wear properties of tribological contacts made of textured stainless steel against polymer surfaces. Three polymer materials were selected in this study, namely, ultrahigh molecular weight polyethylene (UHMWPE), polyoxymethylene (POM) and (polyetheretherketone) PEEK. Wear tests were operated through a ring-on-plane mode. The results revealed that the texture features and material properties affected the wear rates and friction coefficients of the textured tribo-pairs. In general, PEEK/textured steel achieved the lowest wear rate among the three types of tribo-pairs investigated. Energy dispersive x-ray spectroscopy (EDX) analysis revealed that the elements of C and O on the contacting counterfaces varied with texture features and indicated different wear behavior. Experimental and simulated results showed differences in the stress distribution around the dimple edge, which may influence wear performance. Wear debris with different surface morphologies were found for tribo-pairs with varying texture features. This study has increased the understanding of the wear behavior of tribo-pairs between textured stainless steel and polymer materials. Full article
(This article belongs to the Special Issue Wear-Corrosion Synergy, Nanocoating and Control of Materials)
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