Wear Resistance of Aluminum Matrix Composites Reinforced with Al2O3 Particles After Multiple Remelting

Based on previous results, the commercial composites of A359 (AlSi9Mg) alloy reinforced with 22 vol.% Al 2 O 3 particles were submitted to multiple remelting by means of gravity casting and squeeze-casting procedures. The studies were focused on tribological tests, x-ray phase analyses, and microstr...

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Bibliographic Details
Published in:Journal of materials engineering and performance 2016-08, Vol.25 (8), p.3084-3090
Main Authors: Klasik, Adam, Pietrzak, Krystyna, Makowska, Katarzyna, Sobczak, Jerzy, Rudnik, Dariusz, Wojciechowski, Andrzej
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion and Coatings
Engineering Design
Materials Science
Quality Control
Reliability
Safety and Risk
Tribology
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Summary:Based on previous results, the commercial composites of A359 (AlSi9Mg) alloy reinforced with 22 vol.% Al 2 O 3 particles were submitted to multiple remelting by means of gravity casting and squeeze-casting procedures. The studies were focused on tribological tests, x-ray phase analyses, and microstructural examinations. More promising results were obtained for squeeze-casting method mainly because of the reduction of the negative microstructural effects such as shrinkage porosity or other microstructural defects and discontinuities. The results showed that direct remelting may be treated as economically well-founded and alternative way compared to other recycling processes. It was underlined that the multiple remelting method must be analyzed for any material separately.
ISSN:1059-9495
1544-1024
DOI:10.1007/s11665-015-1870-x