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Special Issue "Tribology of Materials and Analysis"

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

Deadline for manuscript submissions: 30 June 2019

Special Issue Editors

Guest Editor
Prof. Dr. Chin-Chung Wei

Department of Power Mechanical Engineering, National Formosa University, Yunlin, 632
Website | E-Mail
Phone: +886-5-6315414
Interests: metal plasma nitriding and properties measurement; engineering composite; ball screw; chemical mechanical polishing
Guest Editor
Prof. Dr. Jeng-Haur Horng

Department of Power Mechanical Engineering, National Formosa University, Yunlin, 632
Website | E-Mail
Phone: +886-5-6315428
Interests: microtribology; contact mechanics; self-assembly film; biolubricants
Guest Editor
Prof. Dr. Wen-Hsien Kao

Department of Automation Engineering and Institute of Mechatronoptic Systems, Chienkuo Technology University, Changhua, 500, Taiwan
Website | E-Mail
Phone: +886-4-7111111 ext: 3921, 2400
Interests: biomaterials; coating technology; microtribology; biotecnology
Guest Editor
Prof. Dr. Yunn-Lin Hwang

Department of Mechanical Design Engineering, National Formosa University, Yunlin, 632, Taiwan
Website | E-Mail
Phone: +886-5-6315339
Interests: solid mechanics; multi-body system dynamics; vibration measurement and modal analysis; CAD/CAE; biomechanics

Special Issue Information

Dear Colleagues,

Tribology of materials and analysis covers mechanic, material, processing, physical and other highly integrated technologies. Microtribology and adhesion characteristics are important factors in the service life of tribology of materials and analysis. Material engineering enhances microtribology and adhesion properties, and ensures the core technology avoids excessive friction and wear.

The aim of this Special Issue is to collect high quality research papers, short communications, and review articles that focus on tribology of materials, contact mechanics, adhesion, surface engineering, material analysis and selected multidisciplinary emerging fields. The Special Issue will also publish selected papers from the International Conference on Engineering Tribology and Applied Technology 2018 (ICETAT2018), which will be held from 16–18, November, 2018, in Taipei, Taiwan. The aim of the ICETAT2018 is to gather scholars from all over the world to present advances in the aforementioned fields and to foster an environment conducive to exchanging ideas and information. The ICETAT2018 will provide a platform to assemble researchers, practitioners, and academics to present and discuss ideas, challenges and potential solutions on established or emerging topics relating to research and practice in engineering tribology of high-speed, high-precision, energy conservation, sustainable use, advanced design, industrial tribology and issues with their application. We are cordially inviting you to submit your manuscript to the Special Issue and also join us at the ICETAT2018  conference to share the latest news in tribology of materials, microsystems, and related emerging fields.

Prof. Dr. Chin-Chung Wei
Prof. Dr. Jeng-Haur Horng
Prof. Dr. Wen-Hsien Kao
Prof. Dr. Yunn-Lin Hwang
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 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 1600 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

  • Tribology
  • Materials
  • Material engineering
  • Material mechanics
  • Material analysis
  • Coating

Published Papers (3 papers)

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Research

Open AccessArticle A New Method for Predicting Erosion Damage of Suddenly Contracted Pipe Impacted by Particle Cluster via CFD-DEM
Materials 2018, 11(10), 1858; https://doi.org/10.3390/ma11101858
Received: 21 August 2018 / Revised: 9 September 2018 / Accepted: 25 September 2018 / Published: 28 September 2018
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Abstract
A numerical study on the erosion of particle clusters in an abrupt pipe was conducted by means of the combined computational fluid dynamics (CFD) and discrete element methods (DEM). Furthermore, a particle-wall extrusion model and a criterion for judging particle collision interference were
[...] Read more.
A numerical study on the erosion of particle clusters in an abrupt pipe was conducted by means of the combined computational fluid dynamics (CFD) and discrete element methods (DEM). Furthermore, a particle-wall extrusion model and a criterion for judging particle collision interference were developed to classify and calculate the erosion rate caused by different interparticle collision mechanisms in a cluster. Meanwhile, a full-scale pipe flow experiment was conducted to confirm the effect of a particle cluster on the erosion rate and to verify the calculated results. The reducing wall was made of super 13Cr stainless steel materials and the round ceramsite as an impact particle was 0.65 mm in diameter and 1850 kg/m3 in density. The results included an erosion depth, particle-wall contact parameters, and a velocity decay rate of colliding particles along the radial direction at the target surface. Subsequently, the effect of interparticle collision mechanisms on particle cluster erosion was discussed. The calculated results demonstrate that collision interference between particles during one cluster impact was more likely to appear on the surface with large particle impact angles. This collision process between the rebounded particles and the following particles not only consumed the kinetic energy but also changed the impact angle of the following particles. Full article
(This article belongs to the Special Issue Tribology of Materials and Analysis)
Figures

Graphical abstract

Open AccessArticle Synthesis and Exploration of the Lubricating Behavior of Nanoparticulated Mo15S19 in Linseed Oil
Materials 2018, 11(9), 1783; https://doi.org/10.3390/ma11091783
Received: 11 August 2018 / Revised: 13 September 2018 / Accepted: 18 September 2018 / Published: 19 September 2018
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Abstract
Molybdenum chalcogenides present interesting properties beyond their superconducting critical temperatures and upper critical magnetic fields, making them suitable for potential applications in tribology, batteries, catalysis, or thermopower. In this study, Mo15S19 nanoparticles with an average diameter of 10 nm were
[...] Read more.
Molybdenum chalcogenides present interesting properties beyond their superconducting critical temperatures and upper critical magnetic fields, making them suitable for potential applications in tribology, batteries, catalysis, or thermopower. In this study, Mo15S19 nanoparticles with an average diameter of 10 nm were synthesized via the reaction of ammonium molybdate with hydrochloric acid and elemental sulfur as reducers at 245 °C. The oxidation to MoO3 in air was efficiently avoided by using linseed oil as a reaction medium and dispersant. Scanning electron microscopy (SEM) micrographs of the as-prepared samples revealed the presence of few-micron-size aggregates, while transmission electron microscopy (TEM) characterization evidenced that the samples were polynanocrystalline with a high degree of homogeneity in size (standard deviation of 2.7 nm). The absence of the first-order (00l) reflection in the X-ray diffraction pattern was also indicative of the absence of Mo3S4 stacking, suggesting that it was a non-layered material. A dispersion of the nanoparticles in linseed oil has been studied as a lubricant of steel–steel sliding contacts, showing the formation of a surface layer that reduces wear and mean friction coefficients with respect to the base oil. Full article
(This article belongs to the Special Issue Tribology of Materials and Analysis)
Figures

Graphical abstract

Open AccessArticle Role of Magnesium Perrhenate in an Oil/Solid Mixed System for Tribological Application at Various Temperatures
Materials 2018, 11(9), 1754; https://doi.org/10.3390/ma11091754
Received: 21 August 2018 / Revised: 10 September 2018 / Accepted: 14 September 2018 / Published: 18 September 2018
PDF Full-text (4939 KB) | HTML Full-text | XML Full-text
Abstract
Magnesium perrhenate used as a lubricating additive was prepared by an aqueous solution method in this paper, and was suspended in a base oil poly alpha olefin (PAO6) with the aid of surface active agents (SA). The thermal stability of the mixed oil
[...] Read more.
Magnesium perrhenate used as a lubricating additive was prepared by an aqueous solution method in this paper, and was suspended in a base oil poly alpha olefin (PAO6) with the aid of surface active agents (SA). The thermal stability of the mixed oil with/without magnesium perrhenate and surface active agents was investigated by thermogravimetry testing. The influences of magnesium perrhenate as solid lubricating additive on the extreme pressure performance and the friction-reducing properties over a wide temperature range of the mixed lubricants were determined by four-ball tests and ball-on-disc frictional tests for the commercially available silicon nitride ball and a Ni-base superalloy frictional pair. The results revealed that the added magnesium perrhenate did not obviously affect the thermostability and oxidation resistance of the base oil. Meanwhile, it minimized the coefficients of friction and wear scar diameter to a certain extent in the four-ball experimental conditions. Ball-on-disc rubbing tests suggested the mixed oil had a similar lubricating performance to the base oil below the decomposition temperature point. The most significant advancement was the impressive antifriction improvement at the high temperature range, while the friction coefficients of the oil containing magnesium perrhenate compound were obviously below that of the base stock. This better tribological performance of the mixed lubricant was attributed to the native shear susceptible property and chemical stability of magnesium perrhenate under high temperature conditions, which could form an effective durable and stable antifriction layer with the oxides from the superalloy matrix, thereby decreasing the friction in the high-temperature environment. Full article
(This article belongs to the Special Issue Tribology of Materials and Analysis)
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