Abstract

Monotectic Al-Pb alloy melts were continuously solidified in a static magnetic field. Samples with well dispersed microstructure were obtained. The average size of the Pb-rich particles decreases with the increase of the magnetic field intensity. Theoretical analyses demonstrate that a static magnetic field causes an increase of the effective viscosity of the melts, and a decrease of the moving velocity of droplets of the precipitated phase and the convective flow of the matrix melt, therefore promotes the formation of the well dispersed solidification microstructure.

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