Effects of Superposed Field on Solidification Microstructure of Al-7wt%Si Alloy

Abstract:

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In this paper, the effect of superposition of rotating electromagnetic field and triangular pulse electric field on the microstructure of the cast Al-7wt%Si hypoeutectic alloy was investigated. The experimental results showed that solidification microstructure of Al-7wt%Si hypoeutectic alloy could be obviously improved from dendrites to nearly equiaxed grain with increasing the voltage of rotating electromagnetic field and α-Al dendrites were refined by superposed field. Moreover, refinement effects were further improved with increasing intensity of the superposed field.

Info:

Periodical:

Advanced Materials Research (Volumes 189-193)

Edited by:

Zhengyi Jiang, Shanqing Li, Jianmin Zeng, Xiaoping Liao and Daoguo Yang

Pages:

3999-4002

DOI:

10.4028/www.scientific.net/AMR.189-193.3999

Citation:

Z. H. Wang et al., "Effects of Superposed Field on Solidification Microstructure of Al-7wt%Si Alloy", Advanced Materials Research, Vols. 189-193, pp. 3999-4002, 2011

Online since:

February 2011

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Price:

$35.00

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