Study of Graphite in Al2O3 Ceramic with Copper Matrix

Li , Chang Hong

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Paper Titles

Synthesis and Properties of Al₂O₃ Nanocomposite Ceramics Toughened by Nano Metallic Particles, p.1099
The Study of Self-Propagating High-Temperature Synthesis of TiC-Al₂O₃/Fe Composites from Natural Ilmenite, p.1103
Preparation of Nano Ni/Al₂O₃ Composite Powders, p.1107
Al₂O₃ Multiphase Ceramics Coatings Sprayed by SHS-RFS Based on the Cladding Powders, p.1111
Study of Graphite in Al₂O₃ Ceramic with Copper Matrix, p.1115
Wear Resistant of Al₂O₃/Heat-Resistant Steel at High Temperature, p.1119
Wear of the Al₂O₃-Based Multi-Ceramic Coatings Produced by SHS Flame Spraying, p.1123
Influence of Loading Conditions on Cyclic Compressive Fatigue Behavior of an Al₂O₃ Matrix Composite, p.1127
Manufacture and Properties of AlON-TiN Particulate Composites, p.1133

Home > Key Engineering Materials > High-Performance Ceramics III > Study of Graphite in Al₂O₃...

Paper Title:

Study of Graphite in Al₂O₃ Ceramic with Copper Matrix

Periodical	Key Engineering Materials (Volumes 280 - 283)
Main Theme	High-Performance Ceramics III
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	Chang Hong Li, 2007, Key Engineering Materials, 280-283, 1115
Online since	February, 2007
Authors	Chang Hong Li
Keywords	Ceramal, Copper Matrix, Friction, Graphite
Price	US$ 28,-

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Abstract

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.