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Some control mechanisms of spatial solidification in light alloys

  • G. I. Eskin and D. G. Eskin EMAIL logo
Published/Copyright: February 8, 2022
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Abstract

Two unconventional approaches of controlling the size and distribution of primary particles in aluminium and magnesium alloys are suggested. The first approach uses the ultrasonic cavitation treatment for multiplication of solidification sites for primary crystals by activating catalytic impurities that are present in the melt. The second way, on the contrary, involves elimination of active solidification nuclei by melt overheating with subsequent nucleation of primary particles at a higher undercooling. Both approaches result in refinement of primary crystals.


Dr. D. G. Eskin Netherlands Institute for Metals Research Rotterdamseweg 137 2628 AL Delft, The Netherlands Tel.: +31 15 278 44 63 Fax: +31 15 278 67 30

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Received: 2003-11-21
Accepted: 2004-05-17
Published Online: 2022-02-08

© 2004 Carl Hanser Verlag, München

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