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Journal of Materials Engineering and Performance

Erschienen in:

01.12.2011

Effect of Process Parameters on Microstructure and Micro-hardness of AZ91/Al₂O₃ Surface Composite Produced by FSP

verfasst von: Ghader Faraji, Omid Dastani, S. Ali Asghar Akbari Mousavi

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 9/2011

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Abstract

In this article, the effects of three different sizes of Al₂O₃ particles in the friction stir processing on grain size, cluster size, microstructure, and micro-hardness of as-cast magnesium alloy AZ91 were investigated. Moreover, the effects of two types of tool geometries and number of passes on the mentioned parameters were considered. Effect of mentioned parameters on microstructure, grain refinement, and micro-hardness profile in the friction stirred zone of the specimens was compared by as-cast received form and also friction stir processed (FSPed) specimens without particles. Microstructural characterization of the materials revealed reasonably uniform distribution of Al₂O₃ reinforcement and significant grain refinement. Hardness studies revealed that the incorporation of nano- and micro-size Al₂O₃ particulates in magnesium matrix led to a simultaneous increase in hardness.

Vorheriger Artikel Effect of Mg on the Microstructure and Mechanical Properties of Al0.3Sc0.15Zr-TiB2 Composite

Nächster Artikel Effects of Cross-Sectional Ovalization on Springback and Strain Distribution of Circular Tubes Under Bending

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Titel: Effect of Process Parameters on Microstructure and Micro-hardness of AZ91/Al2O3 Surface Composite Produced by FSP
verfasst von: Ghader Faraji
Omid Dastani
S. Ali Asghar Akbari Mousavi
Publikationsdatum: 01.12.2011
Verlag: Springer US
Erschienen in: Journal of Materials Engineering and Performance / Ausgabe 9/2011
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-010-9812-0

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