Study of Graphite in Al2O3 Ceramic with Copper Matrix

Abstract:

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Graphite is introduced into Al2O3 ceramic with copper matrix. The influence of graphite content to friction factor and wear and tear of Al2O3 ceramic with copper matrix has been studied in this paper. Friction factor of ceramic with copper matrix decreases with the increase of graphite content at first. After graphite content exceeds more than 3%, friction factor stops reduction. Wear and tear decrease with the increase of graphite content from the beginning. After graphite content surpasses more than 3%, it increases instead with the increase of graphite content. When graphite content is 3%, Wear and tear locates the lowest point. Solid lubrication film formed by graphite on the friction surface is the cause that makes friction factor drop.

Info:

Periodical:

Key Engineering Materials (Volumes 280-283)

Edited by:

Wei Pan, Jianghong Gong, Chang-Chun Ge and Jing-Feng Li

Pages:

1115-1118

DOI:

10.4028/www.scientific.net/KEM.280-283.1115

Citation:

C. H. Li "Study of Graphite in Al2O3 Ceramic with Copper Matrix", Key Engineering Materials, Vols. 280-283, pp. 1115-1118, 2005

Online since:

February 2007

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Price:

$35.00

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