MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Influence of Ultrasonic Agitation on Pore Formation and Growth during Unidirectional Solidification of Water-Carbon Dioxide Solution
Masakazu TaneHideo Nakajima
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2006 Volume 47 Issue 9 Pages 2183-2187

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Abstract

We studied the influence of agitation by ultrasonic vibration on pore formation and growth during the unidirectional solidification of water-carbon dioxide solution. The agitation of liquid affects the pore formation and growth, and the morphology of pores formed during solidification depends on the magnitude of agitation; the agitation of liquid during unidirectional solidification shortens the length of cylindrical pores in lotus metals. This is because the agitation decreases the concentration of carbon dioxide near the solid-liquid interface.

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© 2006 The Japan Institute of Metals and Materials
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