The Study of Undercooling of Homogeneous Nucleation for Metallic Melting

Abstract:

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In this paper, the thermodynamic and kinetic requirements of heterogeneous and homogeneous nucleation of metallic melting were suggested. Based on the kinetic requirements of nucleation, the mathematic model of wetting angle of heterogeneous nucleation was developed, Based on the wetting angel model, it was predicted that the maximum undercooling of homogeneous nucleation for melts is two thirds of melting temperature. With the wetting angel model, the wetting angles of different catalysts in liquid iron were calculated, and calculation results are in agreement with that of other researchers.

Info:

Periodical:

Materials Science Forum (Volumes 561-565)

Main Theme:

Edited by:

Young Won Chang, Nack J. Kim and Chong Soo Lee

Pages:

1941-1944

DOI:

10.4028/www.scientific.net/MSF.561-565.1941

Citation:

C. Huang et al., "The Study of Undercooling of Homogeneous Nucleation for Metallic Melting", Materials Science Forum, Vols. 561-565, pp. 1941-1944, 2007

Online since:

October 2007

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Price:

$35.00

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