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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 9    No. 2    June 1999

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SPRAYING-OXIDATION AND DEPOSITION PROCESS OF Al/Al2O3COMPOSITES
Peng Xiaodong and Li Yulan

Department of Mechanical Engineering,Chongqing University, Chongqing400044, P. R. China

Abstract:Al/Al2O3 and Al-5Si/Al2O3 composites were produced by spraying-oxidation and deposition process. The alumina was formed directly through the oxidation reaction of the molten aluminum during spraying atomization and was dispersed in the Al matrix after deposition and solidification. The structure of the composites was examined and the mechanical properties were determined. Also the effects of process parameters were investigated.

 

Key words: Al matrix composites spraying-oxidation and deposition structure and property

ISSN 1672-7029
CN 43-1423/U

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