Effect of Sample Preparation on the Microstructural Evaluation of Al–GNPs Nanocomposites

Effect of Sample Preparation on the Microstructural Evaluation of Al–GNPs Nanocomposites Metallography is a key characterization method which can be affected by different variables. In aluminum–graphene nanoplatelet nanocomposites, mechanical interlocking is the main interfacial bonding. During the standard polishing, graphene nanoplatelets are removed leaving microvoids, and consequently in the microstructure of samples after sintering, two types of microvoids are revealed: one corresponding to the lack of sintering and another to the location of graphene which is removed during the polishing step. Thus, in this work a different polishing route is recommended to avoid the formation of the polishing related microvoids. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Metallography, Microstructure, and Analysis Springer Journals

Effect of Sample Preparation on the Microstructural Evaluation of Al–GNPs Nanocomposites

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Springer Science+Business Media, LLC and ASM International
Subject
Materials Science; Metallic Materials; Characterization and Evaluation of Materials; Structural Materials; Surfaces and Interfaces, Thin Films; Nanotechnology
ISSN
2192-9262
eISSN
2192-9270
D.O.I.
10.1007/s13632-017-0397-y
Publisher site
See Article on Publisher Site

Abstract

Metallography is a key characterization method which can be affected by different variables. In aluminum–graphene nanoplatelet nanocomposites, mechanical interlocking is the main interfacial bonding. During the standard polishing, graphene nanoplatelets are removed leaving microvoids, and consequently in the microstructure of samples after sintering, two types of microvoids are revealed: one corresponding to the lack of sintering and another to the location of graphene which is removed during the polishing step. Thus, in this work a different polishing route is recommended to avoid the formation of the polishing related microvoids.

Journal

Metallography, Microstructure, and AnalysisSpringer Journals

Published: Nov 2, 2017

References

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