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Special Issue "Contact Mechanics and Elastomer Friction of Materials"

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

Deadline for manuscript submissions: closed (15 October 2017)

Special Issue Editor

Guest Editor
Prof. Dr. -Ing. Jorg Wallaschek

Institute of Dynamics and Vibration Research, Leibniz University Hannover, 30167 Hannover, Germany
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Special Issue Information

Dear Colleagues,

This Special Issue addresses “Contact Mechanics and Elastomer Friction”. Recent advances in modeling and simulation, as well as in surface coatings and other technologies, are fundamental for the development of new devices and mechanisms, and also for the advancement of already-established products. Three important fields are of particular interest: 1) Tire/road friction, where numerous design trade-offs have to be made, including criteria such as rolling-resistance, grip, and wear; 2) seals, where novel surface coating technologies are used to control friction characteristics; and 3) contact interfaces in friction drives, such as the travelling wave motor, where the function of the system strongly depends on the contact mechanics of the two partners.

It is my pleasure to invite you to submit a manuscript for this Special Issue. We are particularly interested in contributions concentrating on the role of materials. Often, very specific and particular material properties, of one or both of the contact partners, have a dominant influence on overall system behavior, such as ice and snow in the tire/road contact, surface coatings in seal system wear and friction, or temperature dependent behavior in friction drives.

Another field of primary interest is the non-stationary behavior of many systems with elastomer friction. Modeling of run-in behavior and the role of prior history of a friction contact on its actual behavior have become hot topics in fundamental research on contact mechanics and elastomer friction.

Contributions concentrating on computational aspects and contributions focused on experimental techniques are equally appreciated. Full papers, communications, and reviews are all welcome.

Prof. Dr.-Ing. Jorg Wallaschek
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

  • Tire/road friction
  • Seals
  • Friction drives, ultrasonic motors
  • Surface coatings
  • Third Body layers
  • Non-stationary friction behavior, run-in processes

Published Papers (1 paper)

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Research

Open AccessArticle Time-Variant Reliability Analysis for Rubber O-Ring Seal Considering Both Material Degradation and Random Load
Materials 2017, 10(10), 1211; doi:10.3390/ma10101211 (registering DOI)
Received: 1 September 2017 / Revised: 16 October 2017 / Accepted: 17 October 2017 / Published: 20 October 2017
PDF Full-text (2156 KB)
Abstract
Due to the increase in working hours, the reliability of rubber O-ring seals used in hydraulic systems of transfer machines will change. While traditional methods can only analyze one of the material properties or seal properties, the failure of the O-ring is caused
[...] Read more.
Due to the increase in working hours, the reliability of rubber O-ring seals used in hydraulic systems of transfer machines will change. While traditional methods can only analyze one of the material properties or seal properties, the failure of the O-ring is caused by these two factors together. In this paper, two factors are mainly analyzed: the degradation of material properties and load randomization by processing technology. Firstly, the two factors are defined in terms of material failure and seal failure, before the experimental methods of rubber materials are studied. Following this, the time-variant material properties through experiments and load distribution by monitoring the processing can be obtained. Thirdly, compressive stress and contact stress have been calculated, which was combined with the reliability model to acquire the time-variant reliability for the O-ring. Finally, the life prediction and effect of oil pressure were discussed, then compared with the actual situation. The results show a lifetime of 12 months for the O-ring calculated in this paper, and compared with the replacement records from the maintenance workshop, the result is credible. Full article
(This article belongs to the Special Issue Contact Mechanics and Elastomer Friction of Materials)

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