Development of Microstructure of Semi-Solid A356 Alloy by Alternating Electromagnetic Stirring

Abstract:

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The influence of processing parameters on the semi-solid microstructure has been investigated in the course of semi-solid slurry preparation of A356 aluminum alloy by alternating electromagnetic stirring. The results show that compared with horizontal, vertical and spiral magnetic stirring method, alternating magnetic stirring could make eligible slurry with finer, more equiaxed and more homogeneous primary α particles in much shorter time. The microstructure evolution during isothermal treatment is studied and it is shown that the average particle diameter increases with the holding time and the shape coefficient decreases somewhat at first, and then decreases sharply in the end. It is discovered that alternating electromagnetic stirring is a good method to prepare semi-solid slurry with fine and relatively round primary particles.

Info:

Periodical:

Edited by:

Deliang Chen

Pages:

84-88

DOI:

10.4028/www.scientific.net/AMR.266.84

Citation:

W. Liu et al., "Development of Microstructure of Semi-Solid A356 Alloy by Alternating Electromagnetic Stirring", Advanced Materials Research, Vol. 266, pp. 84-88, 2011

Online since:

June 2011

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Price:

$35.00

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