Numerical investigation of the influence of material property of a crucible on interface shape in a unidirectional solidification process

Hiroaki Miyazawa; Lijun Liu; Koichi Kakimoto

doi:10.1021/cg800435d

Numerical investigation of the influence of material property of a crucible on interface shape in a unidirectional solidification process

Hiroaki Miyazawa, Lijun Liu, Koichi Kakimoto

Division of Renewable Energy Dynamics

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

We carried out calculations to investigate the influence of thermal conductivity of the wall of a crucible on melt-crystal interface shape using three-dimensional global analyses. It was found that thermal conductivity of the wall of a crucible has significant influence on the melt-crystal interface shape due to modification of the amount of outgoing heat flux through the wall of a crucible. The results indicate that we should control not only heater power, growth velocity, and melt flow but also thermophysical properties of the wall of a crucible in order to reduce deformation of the melt-crystal interface.

Original language	English
Pages (from-to)	267-272
Number of pages	6
Journal	Crystal Growth and Design
Volume	9
Issue number	1
DOIs	https://doi.org/10.1021/cg800435d
Publication status	Published - Jan 2009

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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10.1021/cg800435d

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abstract = "We carried out calculations to investigate the influence of thermal conductivity of the wall of a crucible on melt-crystal interface shape using three-dimensional global analyses. It was found that thermal conductivity of the wall of a crucible has significant influence on the melt-crystal interface shape due to modification of the amount of outgoing heat flux through the wall of a crucible. The results indicate that we should control not only heater power, growth velocity, and melt flow but also thermophysical properties of the wall of a crucible in order to reduce deformation of the melt-crystal interface.",

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AU - Liu, Lijun

AU - Kakimoto, Koichi

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AB - We carried out calculations to investigate the influence of thermal conductivity of the wall of a crucible on melt-crystal interface shape using three-dimensional global analyses. It was found that thermal conductivity of the wall of a crucible has significant influence on the melt-crystal interface shape due to modification of the amount of outgoing heat flux through the wall of a crucible. The results indicate that we should control not only heater power, growth velocity, and melt flow but also thermophysical properties of the wall of a crucible in order to reduce deformation of the melt-crystal interface.

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Numerical investigation of the influence of material property of a crucible on interface shape in a unidirectional solidification process

Abstract

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