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Licensed Unlicensed Requires Authentication 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 EMAIL logo , Meysam Toozandehjani , Arshin Oskoueian , Hamdan Mohamed Yusoff , Robiah Yunus and Azmah Hanim Mohamed Ariff


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.

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

© 2015 Carl Hanser Verlag GmbH & Co. KG

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