Microstructural Evolution of SiCp/AZ61 Composites during Partial Remelting

Abstract:

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The microstructural evolution of SiCp/AZ61 composites during partial remelting was investigated. The results indicated that the suitable technological parameters of SiCp/AZ61 composites were the reheating temperature of 595°C ~ 600°C and isothermal holding time of 30min ~ 60min. The separation of microstructure of AZ61 matrix was faster than that of SiCp/AZ61 composites during the initial stage. In the meantime, SiCp/AZ61composites hold high stability during remelting process and a fine semi-solid thixoforming microstructure can be obtained with increases in temperature and holding time. In addition, the samples of SiCp/AZ61composites were susceptible to serious deformation and running out above 610°C.

Info:

Periodical:

Solid State Phenomena (Volumes 141-143)

Edited by:

G. Hirt, A. Rassili, A. Bührig-Polaczek

Pages:

545-549

DOI:

10.4028/www.scientific.net/SSP.141-143.545

Citation:

H. Yan et al., "Microstructural Evolution of SiCp/AZ61 Composites during Partial Remelting", Solid State Phenomena, Vols. 141-143, pp. 545-549, 2008

Online since:

July 2008

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Price:

$35.00

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