In-situ fabrication of particulate reinforced aluminum matrix composites under high-frequency pulsed electromagnetic field

查看全文 作　　者：Guirong Li Yutao Zhao Qixun Dai Hongjie Zhang Hongming [1]Wang

机构地区：[1]School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China

出　　处：《Journal of University of Science and Technology Beijing》索引2007年第14卷第5期,共4页

基　　金：This work was financially supported by the Foundation for Key Program of the Ministry of Education of China (No.207038);the Technological Achievement Conversion Program of Jiangsu Province in China (No.BA2005054);the High Technology Research Program of Jiangsu Province (No.BG2005026);the Natural Science Foundation of the Higher Education Institutions of Jiangsu Province, China (No. 05KJD450043). 摘　　要：Pulsed magnetic field is generated when imposing pulse signal on high-frequency magnetic field. Distribution of the inner magnetic intensity in induction coils tends to be uniform. Furthermore oscillation and disturbance phenomena appear in the melt. In-situ Al2O3 and Al3Zr particulate reinforced aluminum matrix composites have been synthesized by direct melt reaction using Al-Zr(CO3)2 components under a foreign field. The size of reinforced particulates is 2-3 μm. They are well distributed in the matrix. Thermodynamic and kinetic analysis show that high-frequency pulsed magnetic field accelerates heat and mass transfer processes and improves the kinetic condition of in-situ fabrication. 关键词：原位合成铝磁铁热力学动力学

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In-situ fabrication of particulate reinforced aluminum matrix composites under high-frequency pulsed electromagnetic field

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