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Friction

, Volume 2, Issue 1, pp 47–57 | Cite as

A qualitative correlation between friction coefficient and steel surface wear in linear dry sliding contact to polymers with SGF

  • Dorin Rus
  • Lucian Capitanu
  • Liliana-Laura Badita
Open Access
Research Article

Abstract

In this paper we tried to present a qualitative correlation, based on extensive experimental determinations between the value and the evolution of the friction coefficient, wear, and contact temperature, in the case of linear dry contact, for thermoplastic material reinforced with short glass fibers (SGF) and various steel surfaces. The aim was to highlight the evolution of the wear process depending on the evolution of the friction coefficient. As a result, it was possible to graphically illustrate the evolution of the friction coefficient and the change of the wear process, emphasizing the abrasive, adhesive and corrosive wear. The evolution of the plastic material transfer function of the contact temperature, namely of the power lost by friction (product between the contact pressure and sliding speed, p and v) was aimed and it was highlighted. It has been demonstrated that in the case of a 30% SGF content it can reach and even exceed contact temperatures very close to the flow limit of the plastic material. We tried, believing successfully, the graphic illustration of the evolution of the steel surface wear and of the contact temperature, depending on the friction coefficient. The influence of the normal load and sliding speed was evaluated in detail, but also the influence of the metallic surface roughness on the friction coefficient was discussed.

Keywords

friction coefficient evolution steel surface wear contact temperature plastic material transfer hardness of steel surface influence 

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Copyright information

© The author(s) 2014

This article is published under license to BioMed Central Ltd. Open Access This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited

Authors and Affiliations

  • Dorin Rus
    • 1
  • Lucian Capitanu
    • 2
  • Liliana-Laura Badita
    • 3
  1. 1.Mechanical DepartmentInstitute of Civil EngineeringBucharestRomania
  2. 2.Tribology DepartmentInstitute of Solid Mechanics of the Romanian AcademyBucharestRomania
  3. 3.National Institute of Research and Development in Mechatronics and Measurement TechniqueBucharestRomania

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