Effect of graphite content on wear property of graphite/Al_2O_3/Mg-9Al-1Zn-0.8Ce composites |
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| Authors: | ZHANG Mei-juan YANG Xiao-hong LIU Yong-bing CAO Zhan-yi CHENG L i-ren PEI Ya-li Key Laboratory of Automobile Material of Ministry of Education Jilin University Changchun China |
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| Affiliation: | ZHANG Mei-juan1,YANG Xiao-hong1,LIU Yong-bing,CAO Zhan-yi1,CHENG L i-ren1,PEI Ya-li2 1. Key Laboratory of Automobile Material of Ministry of Education,Jilin University,Changchun 130025,China,2. Beijing Institute of Aerospace Testing Technology,Beijing 100074 |
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| Abstract: | Using squeeze-infiltration technique, Mg-9Al-1Zn-0.8Ce composite reinforced by graphite particles and Al2O3 short fibers was fabricated. The reinforcing phases combined closely with the matrix and no agglomeration was observed. The microstructure, hardness and wear property of the composites with the graphite content of 5%, 10%, 15% and 20% were investigated, respectively. The results reveal that Ce tends to enrich around the boundaries of graphite particles and Al2O3 short fibers, and forms Al3Ce phase. Wh... |
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| Keywords: | magnesium matrix composite Ce graphite wear resistance |
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