Experimental optimisation of the tribological behaviour of Al/SiC/Gr hybrid composites based on Taguchi’s method and artificial neural network

  • Blaža StojanovićEmail author
  • Aleksandar Vencl
  • Ilija Bobić
  • Slavica Miladinović
  • Jasmina Skerlić
Technical Paper


This paper presents the investigation of tribological behaviour of aluminium hybrid composites with Al–Si alloy A356 matrix, reinforced with 10 wt% silicon carbide and 0, 1 and 3 wt% graphite (Gr) with the application of Taguchi’s method. Tribological investigations were realized on block-on-disc tribometer under lubricated sliding conditions, at three sliding speeds (0.25, 0.5 and 1 m/s), three normal loads (40, 80 and 120 N) and at sliding distance of 2400 m. Wear rate and coefficient of friction were measured within the research. Analysis of the results was conducted using ANOVA technique, and it showed that the smallest values of wear and friction are observed for hybrid composite containing 3 wt% Gr. The prediction of wear rate and coefficient of friction was performed with the use of artificial neural network (ANN). After training of the ANN, the regression coefficient was obtained and it was equal to 0.98905 for the network with architecture 3-20-30-2.


A356 Hybrid composites Compocasting Lubricated sliding Friction Wear Taguchi method Artificial neural network Analysis of variance 



This work has been performed as a part of activities within the projects TR 35021 and TR 34028. These projects are supported by the Republic of Serbia, Ministry of Education, Science and Technological Development, whose financial help is gratefully acknowledged. Collaboration through the bilateral project No. 451-03-02294/2015-09/9 between Republic of Serbia and Hungary is also acknowledged.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© The Brazilian Society of Mechanical Sciences and Engineering 2018

Authors and Affiliations

  1. 1.Faculty of EngineeringUniversity of KragujevacKragujevacSerbia
  2. 2.Faculty of Mechanical EngineeringUniversity of BelgradeBelgradeSerbia
  3. 3.Institute of Nuclear Sciences “Vinca”University of BelgradeBelgradeSerbia

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