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| Effect of Coating Content of Copper-coated Graphite on Property of Self-lubricating Materials |
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Received:October 16, 2015
Revised:October 26, 2015
Accepted:October 27, 2015
Published Online:December 24, 2015
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| DOI：10.3969/j.issn.1007-7545.2016.01.015 |
| KeyWord:copper-coated graphite; coating content; self-lubricating; friction and wear behaviors |
| Author | Institution |
| ZHANG Xiao-dan |
北京工业大学材料科学与工程学院 北京 |
| CUI Yun-tao |
北矿新材科技有限公司 北京 |
| MA Jie |
北京工业大学材料科学与工程学院 北京 |
| ZHANG De-ming |
北矿新材科技有限公司 北京 |
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| Abstract: |
| Copper matrix-graphite self-lubricating materials were prepared by powder metallurgy applying copper-coated graphite powders with copper mass fraction of 30% and 60% respectively and copper powders as raw materials. The properties of solid self-lubricating materials with different coating content of copper-coated graphite were investigated. The results show that the minimum friction coefficient of solid self-lubricating composite materials at 20 N loading made by 30% coating content copper-coated graphite is 0.13, and compressive strength is 192 MPa. The composites with better self-lubricating properties and mechanical properties can be maintained by coating content of 30% copper-coated graphite. |
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