The Influence of Gravity on Eutectic PbSn Alloy Grown by the Vertical Bridgman Method

The Influence of Gravity on Eutectic PbSn Alloy Grown by the Vertical Bridgman Method

Composition profiles of eutectic alloy Pb25.9Sn74.1 atomic % grown by the normal and inverted Bridgman methods are presented and the study of the solute alloy redistribution is made. The inverted vertical Bridgman method, where the solidification occurs from the top to the bottom of the melt under a...

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Veröffentlicht in:Materials Science Forum 2016-08, Vol.869, p.637-642
Hauptverfasser: An, Chen Y., Bandeira, Irajá Newton, de Freitas, Filipe Estevão, Toledo, Rafael Cardoso
Format: Artikel
Sprache:eng
Schlagworte:
Alloys
Bridgman method
Buoyancy
Convection
Crystal growth
Crystals
Directional solidification
Eutectics
Gravitation
Materials science
Morphology
Solid solutions
Solidification
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description Composition profiles of eutectic alloy Pb25.9Sn74.1 atomic % grown by the normal and inverted Bridgman methods are presented and the study of the solute alloy redistribution is made. The inverted vertical Bridgman method, where the solidification occurs from the top to the bottom of the melt under a destabilizing thermal gradient, allows the growth of crystals with buoyancy-driven convection different from that with the usual vertical Bridgman configuration. The scope of this work is to study the influence of the gravity acceleration in the convection process.
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subjects Alloys
Bridgman method
Buoyancy
Convection
Crystal growth
Crystals
Directional solidification
Eutectics
Gravitation
Materials science
Morphology
Solid solutions
Solidification
title The Influence of Gravity on Eutectic PbSn Alloy Grown by the Vertical Bridgman Method
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