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Lubricants
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Recent Advances in Lubricating Greases...
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Recent Advances in Lubricating Greases

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

Deadline for manuscript submissions: closed (31 August 2020) | Viewed by 6175

Special Issue Editor

Prof. Dr. Erik Kuhn

E-Mail Website
Guest Editor
TREC, Institute of Engineering Design and Product Development, Hamburg University of Applied Sciences, Berliner Tor 21, 20099 Hamburg, Germany
Interests: tribology; lubricating grease; energetic approach
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Lubricating greases are markedly visco-elastical lubricants with a special tribological behavior, but with a wide range of application. Our research work has, more or less, two main directions: understanding the behavior of greases during tribology stress, and furthering knowledge of the behavior of greases in concrete machine element applications. In the course of this work, opportunities were also created to develop new lubricants such as biodegradable and completely biogenic lubricating greases.

In recent years, work on the structural degradation of lubricating greases has increasingly been carried out. This has led to a new research focus on lubricating grease tribology. Energetical investigations seem to be an appropriate tool with which to obtain new information.

The success of the Special Issue of Lubricating Greases in 2017 (https://www.mdpi.com/journal/lubricants/special_issues/greases2017) encouraged us to continue this interesting topic.

We hope researchers will accept our invitation and present their research work.

Prof. Dr. Erik Kuhn
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. 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.

Published Papers (2 papers)

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Research

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9 pages, 1477 KiB  
Article
Aspects of Self-Organization of Tribological Stressed Lubricating Greases
by Erik Kuhn
Lubricants 2020, 8(3), 28; https://doi.org/10.3390/lubricants8030028 - 04 Mar 2020
Cited by 1 | Viewed by 2061
Abstract
Lubricating greases are markedly visco-elastic materials. Stressed by a friction process, this special material shows a drop of a measured shear stress or viscosity. This typical behaviour is observed in a number of papers and, therefore, is well known. Some different explanations can [...] Read more.
Lubricating greases are markedly visco-elastic materials. Stressed by a friction process, this special material shows a drop of a measured shear stress or viscosity. This typical behaviour is observed in a number of papers and, therefore, is well known. Some different explanations can be found but most of them describe a structural degradation caused by the friction process. This paper attempts to elucidate the conditions that promote that structural change and understand this behaviour as an intrinsic response of the system. Full article
(This article belongs to the Special Issue Recent Advances in Lubricating Greases )
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Review

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17 pages, 3618 KiB  
Review
The Use of Entropy in Modeling the Mechanical Degradation of Grease
by Alan Gurt and Michael Khonsari
Lubricants 2019, 7(10), 82; https://doi.org/10.3390/lubricants7100082 - 20 Sep 2019
Cited by 18 | Viewed by 3589
Abstract
Recent theoretical developments linking degradation to the thermodynamic concept of entropy have allowed a new approach to modeling all types of degradation. The theory has been successfully applied to wear, fatigue, and numerous other forms of degradation and experimentation has confirmed its applicability [...] Read more.
Recent theoretical developments linking degradation to the thermodynamic concept of entropy have allowed a new approach to modeling all types of degradation. The theory has been successfully applied to wear, fatigue, and numerous other forms of degradation and experimentation has confirmed its applicability to modeling the mechanical degradation of lubricating grease. This paper overviews the mechanical degradation of grease, discusses past and present modeling techniques, shows how new techniques can be used to predict grease life, and provides suggestions for future research. Full article
(This article belongs to the Special Issue Recent Advances in Lubricating Greases )
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