Volume 41, No 4, 2019, Pages 573-591

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Effect of Sintering Temperature and Reinforcement Concentration on the Tribological Behaviors of Hybrid Aluminum Matrix Nano Composite


P.D. Srivyas , M.S. Charoo

DOI: 10.24874/ti.2019.41.04.10

Received: 10 September 2019
Revised: 25 October 2019
Accepted: 16 November 2019
Published: 15 December 2019


The objectives of this experimentation is to scrutinize the effect of sintering temperature and GNP concentration on novel hybrid aluminium self lubricating nanocomposite. The tribological properties of Al-Si/ γ-Al2O3 (6 wt.%)/ GNP (45 wt.%) composite sample has been studied in this research.. Spark Plasma Sintering syntheses route was used for the fabrication of the composite samples. The samples were prepared at three sintering temperature i.e. 450 ˚C; 500 ˚C; 520 ˚C with dwell time constant 10 minutes. The experimentally investigated properties are friction, wear, density, for the hybrid composites samples. Tribological testing was done on the ball-on-disc configuration at room temperature under dry sliding conditions under variable load 1050 N and upto sliding distance 450 meters with other parameters i.e. frequency, stroke remain constant. The results highlights that both sintering temperature and GNP concentration helps to enhance the overall properties of composite samples. For surface morphology; wear scar analysis, elemental percentage concentration characterization tools i.e. Scanning Electron Microscopy; Electron Dispersion Microscopy; Raman analysis is used.


Friction, Wear, Matrix, Self-Lubrication

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