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Title: Nanoparticles distribution and mechanical properties of aluminum-matrix nano-composites treated with external fields
Authors: Tamayo-Ariztondo, J
Vadakke Madam, S
Djan, E
Eskin, DG
Hari Babu, N
Fan, Z
Keywords: Aluminum alloys;Metal matrix composites;Nanoparticles;Ultrasonication
Issue Date: 2014
Publisher: John Wiley and Sons
Citation: Light Metals, 1411 - 1415, 2014
Abstract: Aluminum-matrix nano-composites have been produced after incorporating various hard ceramic nanoparticles (Al2O3, AIN and SiC) and Al2O3 microparticles into liquid metal by mechanical stirring. The mechanical stirring process is optimized to obtain distribution of nanoparticles in entire volume of the liquid. However, locally, nanoparticle clusters have been found. Application of the ultrasound to the slurry containing nanoparticles resulted in significantly improved particle dispersion and reduced nanoparticle clusters density. Nano-composites have been characterized by optical and scanning electron microscopy to see dispersion enhancement. Hardness was measured to study the local mechanical properties of these composites.
Description: Copyright © 2014 The Minerals, Metals & Materials Society. All rights reserved.
DOI: 10.1002/9781118888438.ch236
ISBN: 9781118889084
Appears in Collections:Brunel Centre for Advanced Solidification Technology (BCAST)

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