Design of experiments technique for characterisation of friction in dry contact

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Abstract

A hybrid experimental statistical method is proposed for characterisation of friction in dry contact. The Design of Experiments (DOE) is introduced to determine the effect of different levels of applied normal load, relative surface speed, surface roughness, and materials Young's modulus and their cross-influence on friction characteristics of dry surfaces. The design is performed using Response Surface Method (RSM). The Coefficient of Friction (CoF) with the variation of the factor levels is investigated experimentally on a micro-tribometer UMT-2 machine. CoF is analysed as a non-linear function of the factors and predicted by a second-order polynomial equation.

Original languageEnglish
Pages (from-to)120-138
Number of pages19
JournalInternational Journal of Surface Science and Engineering
Volume2
Issue number1-2
DOIs
Publication statusPublished - Jun 2008

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Keywords

  • Coefficient of friction
  • CoF
  • Design of experiments
  • DOE
  • Response surface method
  • RSM

ASJC Scopus subject areas

  • Mechanical Engineering
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

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