Microstructural evaluation of ball-milled nano Al2O3 particulate-reinforced aluminum matrix composite powders

Farhad Ostovan; Khamirul Amin Matori; Meysam Toozandehjani; Arshin Oskoueian; Hamdan Mohamed Yusoff; Robiah Yunus; Azmah Hanim Mohamed Ariff

doi:10.3139/146.111232

Published by De Gruyter October 27, 2021

Microstructural evaluation of ball-milled nano Al₂O₃ particulate-reinforced aluminum matrix composite powders

Farhad Ostovan , Khamirul Amin Matori , Meysam Toozandehjani , Arshin Oskoueian , Hamdan Mohamed Yusoff , Robiah Yunus and Azmah Hanim Mohamed Ariff

From the journal International Journal of Materials Research

https://doi.org/10.3139/146.111232

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Abstract

A mechanically alloyed mixture of Al-1 wt.% nano-alumina (n-Al₂O₃) composite powders was produced using a planetary ball milling machine. Different milling times were applied to investigate the effect of milling time on the dispersion and microstructure of n-Al₂O₃ particulate reinforcement within the aluminum matrix. A good homogeneous dispersion of n-Al₂O₃ particulates was observed after 8 h of milling. Longer milling times had no significant effect on the dispersion and morphology of n-Al₂O₃ particulates within the aluminum matrix because a steady state had been reached.

Keywords: Composite materials; Microstructure; Ductility; Powder metallurgy

Khamirul Amin Matori, PhD Materials Synthesis and Characterization Laboratory Institute of Advanced Technology, Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia Tel.: +6-03-89466653 Fax: +6-03-89454454

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Received: 2014-11-03

Accepted: 2015-02-18

Published Online: 2021-10-27

Microstructural evaluation of ball-milled nano Al₂O₃ particulate-reinforced aluminum matrix composite powders

Abstract

References

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