Control of the IN100 Superalloy Ingot Solidification Structure with Linear Electromagnetic Stirring

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Abstract:

In order to achieve high quality superalloy ingots, an investigation of applying linear electromagnetic stirring to the superalloy vacuum casting solidifying process has been put into effect with electroprobe microanalysis and optical microscope. The results indicate that an one sided, upward linear electromagnetic stirring with 50Hz frequency and 140A current can effectively refine the isometric crystals and shorten the ratio of central shrinkage cavity in superalloy ingots.

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176-179

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December 2012

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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