Effects of Penetrated Graphite on Tribological Properties of Copper Based Journal Bearing

Abstract:

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Tribological properties of copper based porous alloy with penetrated micro size graphite layer were evaluated using a ring on disc testing apparatus in dry condition. A shot peening treatment was applied to ensure the dimple for the graphite penetration. Specimens with various area fraction of the graphite layer were prepared. It was found that the friction coefficient and the wear loss decreased with the increase in the area fraction. However, the decrease of the friction and the wear loss became smaller at excess graphite area fraction.

Info:

Periodical:

Key Engineering Materials (Volumes 523-524)

Edited by:

Tojiro Aoyama, Hideki Aoyama, Atsushi Matsubara, Hayato Yoshioka and Libo Zhou

Pages:

805-808

Citation:

K. Tanizawa et al., "Effects of Penetrated Graphite on Tribological Properties of Copper Based Journal Bearing", Key Engineering Materials, Vols. 523-524, pp. 805-808, 2012

Online since:

November 2012

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Price:

$38.00

[1] H. Usami et al, Applicability of Fine Particle peening as Surface Modification Methodology, Journal of Japanese society of tribologist 10, 56(2011) 609-615, in Japanese.

[2] T. Maruyama et al, Some Properties of Sulfide Dispersed Lead Free Copper Alloy Castings, Transactions of American Foundry Society, 116(2008)299-307.

[3] T. Sato et al, Tribological Properties of Porous Cu Based Alloy Containing Nano Sized Sulfide Particles, JSME international journal, Journal of Advanced Mechanical Design, Systems, and Manufacturing, 1, 6 (2012) 158-167.

DOI: https://doi.org/10.1299/jamdsm.6.158