Emission and Transport of Wear Particles

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

Deadline for manuscript submissions: 30 April 2024 | Viewed by 1947

Special Issue Editors


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Guest Editor
Faculty of Mechanical Engineering and Ship Technology, Gdansk University of Technology, 80-233 Gdansk, Poland
Interests: airborne wear particle emissions; heat conduction friction problems; sliding contact temperature measurements

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Guest Editor
Department of Mechanical Engineering Sciences, Lund University, SE-221 00 Lund, Sweden
Interests: tribology; metal; coating; microstructure; railway

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Guest Editor
Environmental Research Division, Japan Automobile Research Institute, 2530 Karima, Tsukuba, Ibaraki, Japan
Interests: brake wear particle measurements; aerosol chemistry; mass spectrometry

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Guest Editor
Material Development, GCF Research & Development, Brembo S.p.A., 24040 Stezzano, BG, Italy
Interests: disc brake emissions; brake wear particle characterization; friction materials

Special Issue Information

Dear Colleagues,

The problem of environmental pollution is becoming increasingly important in view of the growing ecological footprint of humankind. Friction contact, mainly through transport vehicle brakes, tire-on-road contact, wheel-on-rail contact, and electrical sliding contact, represents a significant source of toxic particulate matter pollution to the atmosphere, ground, and water. This source may be critically harmful in urban areas, especially in closed and semi-closed environments, such as traffic tunnels, stations, and stops.

The generation, emission, and transport of wear particles are complex processes involving various interrelated mechanical, thermal, electrical, and chemical phenomena. Their investigation requires a systematic approach based on the application of different techniques and principles of tribology, mechanics, heat and mass transfer, aerosol science, electromagnetism, chemistry, etc. Studies focusing on the reduction of wear particle emissions as well as those investigating the underlying mechanisms are undoubtedly of great practical and scientific interest as the implementation of the results obtained in these studies may potentially contribute to achieving global sustainable development goals.

This Special Issue aims to promote advances in wear particle generation and emissions. The scope includes topics related to the generation, emission, and transport of wear particles from different sources, including the tribological aspects of particle formation, quantitative and qualitative assessments of particle emissions, and chemicophysical particle characterisation using various measurement techniques and instrumentation. Experimental, computational, and mixed studies at varied scales are appropriate for this Special Issue.

Dr. Oleksii Nosko
Dr. Yezhe Lyu
Dr. Hiroyuki Hagino
Dr. Mara Leonardi
Guest Editors

Manuscript Submission Information

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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

  • wear mechanism
  • wear debris
  • airborne wear particles
  • wear particle transport
  • wear particle characterisation

Published Papers (1 paper)

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Research

14 pages, 4805 KiB  
Article
Dynamometric Investigation on Airborne Particulate Matter from Automobile Brake: Impact of Disc Materials on Brake Emission Factor
by Mu Hyeok Jeong, Won Cheol Shin, Yoon-Suk Oh, Jungju Lee, Seung Hun Huh, Jae-Hwan Pee, Hyungjo Seo, Ho Jang and Jong-Young Kim
Lubricants 2023, 11(12), 526; https://doi.org/10.3390/lubricants11120526 - 11 Dec 2023
Viewed by 1298
Abstract
In this work, we evaluated the impact of disc rotors of gray cast iron (GCI), nitrocarburized (NC), and superhard ceramic-coated (SCC) GCI on the brake wear PM emissions of passenger vehicles using dynamometric measurements. The brake emission factor (BEF) of the SCC was [...] Read more.
In this work, we evaluated the impact of disc rotors of gray cast iron (GCI), nitrocarburized (NC), and superhard ceramic-coated (SCC) GCI on the brake wear PM emissions of passenger vehicles using dynamometric measurements. The brake emission factor (BEF) of the SCC was greatly reduced by more than a factor of 1/5 compared with those for the GCI and NC for both low-steel and non-steel friction materials. Surface topological and microstructural analyses confirmed that more severe wear was pronounced for the NC rotor compared with the SCC, as evidenced by large concave pits in the wear tracks. Analysis of the size-classified airborne PM suggests that reduced micron-sized particles, which originated from the GCI disc, were responsible for the lower BEF due to the increased hardness of the SCC. Full article
(This article belongs to the Special Issue Emission and Transport of Wear Particles)
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