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Production of hybrid reinforcement by ball milling for development of aluminium matrix composites

Gaurav Arora (Department of Mechanical Engineering, School of Engineering, Gautam Buddha University , Greater Noida, India and Delhi Institute of Tool Engineering , New Delhi, India)
Satpal Sharma (Department of Mechanical Engineering, School of Engineering, Gautam Buddha University , Greater Noida, India)

World Journal of Engineering

ISSN: 1708-5284

Article publication date: 30 May 2019

Issue publication date: 14 June 2019

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Abstract

Purpose

This paper aims to produce hybrid reinforcement for the development of aluminium matrix composites using ball-billing technique to avoid or reduce the problem of agglomeration of the reinforcement during casting.

Design/methodology/approach

In the present investigation, a mixture of silicon carbide (SiC) and rice husk ash (RHA) powder in equal weight percentage ratio 4:4 (1:1) was alloyed mechanically in a ball-mill at distinct milling times of 15, 30, 45, 60 and 75 h. Morphological Characterization and density measurements of the ball-milled powder were carried out after different intervals of milling times.

Findings

The results revealed that the process of ball milling is a novel technique for the conversion of two or more powders in to an integer powder and reduces the problem of agglomeration also. The density measurement results revealed that an increasing trend of density initially and reduction of the density with the increase of milling time. The density value of the combined particles became comparable to the density of aluminium at the milling time of 75 h for the equal weight percentage ratio 4:4 (1:1) of SiC and RHA.

Originality/value

The manuscript highlights the research work related to the development of the reinforcement for the aluminium hybrid composites by ball milling process. The use of this process for the development of the reinforcement not only reduces the problem of the agglomeration but reduces the density mismatch of the reinforcement and matrix material also.

Keywords

Acknowledgements

The author expresses his gratitude towards Sandeep Mishra, Department of Applied Science, Delhi Technological University for giving his support in SEM images.

Citation

Arora, G. and Sharma, S. (2019), "Production of hybrid reinforcement by ball milling for development of aluminium matrix composites", World Journal of Engineering, Vol. 16 No. 3, pp. 357-362. https://doi.org/10.1108/WJE-10-2017-0338

Publisher

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Emerald Publishing Limited

Copyright © 2019, Emerald Publishing Limited