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Dry Sliding Wear Behavior of A356-ZrO2 Metal Matrix Composite

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Abstract:

Dry sliding wear and friction behavior of cast A356 Al-Si alloy and composite containing 5wt. % ZrO2 particles were studied by means of a pins-on-disk apparatus over loads of 5N, 20N and a sliding speed of 0.628m/s. The experimental results showed that the composites exhibited a higher wear resistance in comparison to that of the unreinforced A356 alloy. The friction coefficient of tested materials increased with increasing applied load from 5 to 20 N. FESEM investigations revealed that the wear mechanism of the A356 matrix alloy changed from sever abrasive, adhesive wear into mild abrasion and adhesive wear with addition of 5wt. % ZrO2 reinforcement particles.

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Periodical:

Advanced Materials Research (Volume 1125)

Pages:

116-120

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1125.116

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Online since:

October 2015

Authors:

Hamidreza Ghandvar*, Saeed Farahany, Mohd Hasbullah Idris, Mohammadreza Daroonparvar

Keywords:

Friction Coefficient, Metal Matrix Composite, Semi-Solid, Wear Behavior, Zro2

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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