Investigation on Dry Sliding Wear Behaviour of AlSi7Mg0.3/B4C/ZrO2 Hybrid Composites using Taguchi Method

Open Access

Year : 2024 | Volume : | : | Page : –
By

S. Venkat Prasat,

N. Venkateshwaran,

S. Sekar,

A. Rajkumar,

K. Duraivelu,

  1. Professor Department of Mechanical Engineering, Rajalakshmi Engineering College Chennai India
  2. Professor Department of Mechanical Engineering, Rajalakshmi Engineering College Chennai India
  3. Professor Department of Mechanical Engineering, Rajalakshmi Engineering College Chennai India
  4. Professor Department of Mechanical Engineering, Rajalakshmi Engineering College chennai India
  5. Professor Department of Mechanical Engineering, SRM Institute of Science & Technology chennai India

Abstract

Hybrid Aluminium/Boron carbide/Zirconium oxide (AlSi7Mg0.3/B4C/ZrO2) composites were fabricated utilizing stir casting technique by varying boron carbide content (4wt.%, 8wt.% and 12wt.%) and utilizing a fixed amount (4wt.%) of zirconium oxide particles. Optical microscopy revealed that B4C and ZrO2 particulates were dispersed uniformly in AlSi7Mg0.3 matrix. Dry sliding wear experiments were carried out utilizing the pin-on-disc tribometer with various levels of applied loads, sliding speeds and weight percentage of boron carbide particles (4%, 8% and 12%). The worn surface morphology was studied through SEM and EDS analysis. It was determined that mechanism of wear changed from abrasive wear to severe delamination when the applied load was augmented from 20N to 30N. The impact of wear factors on the tribological behaviour of AlSi7Mg0.3/B4C/ZrO2 hybrid composites was studied utilizing Taguchi techniques and MINITAB 22 software. The wear rate was shown to rise in tandem with an increase in load, but it reduced in response to an augmentation of B4C reinforcement content from 8wt.% to 12wt.%. The development of an oxide layer prevented the wear rate from increasing when the sliding speed was raised from 2m/s to 3m/s. AlSi7Mg0.3/12wt.%B4C/4wt.%ZrO2 composites demonstrated the highest wear resistance across all test conditions because of the hard B4C and ZrO2 particles’ ability to carry loads and the creation of a mechanically mixed layer between sliding pin and disc. Wear rate was most significantly influenced by load (39.59%), then by sliding speed (28.18%) and B4C content (11.53%), according to S/N ratio analysis and ANOVA.

Keywords: Hybrid Composites, Boron Carbide, Zirconium Oxide, Wear, Taguchi Method, SEM.

How to cite this article: S. Venkat Prasat, N. Venkateshwaran, S. Sekar, A. Rajkumar, K. Duraivelu. Investigation on Dry Sliding Wear Behaviour of AlSi7Mg0.3/B4C/ZrO2 Hybrid Composites using Taguchi Method. Journal of Polymer and Composites. 2024; ():-.
How to cite this URL: S. Venkat Prasat, N. Venkateshwaran, S. Sekar, A. Rajkumar, K. Duraivelu. Investigation on Dry Sliding Wear Behaviour of AlSi7Mg0.3/B4C/ZrO2 Hybrid Composites using Taguchi Method. Journal of Polymer and Composites. 2024; ():-. Available from: https://journals.stmjournals.com/jopc/article=2024/view=158001

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Ahead of Print Open Access Original Research
Volume
Received March 21, 2024
Accepted May 17, 2024
Published July 5, 2024
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