Influence of gravity on eutectic BiSn samples solidified by the vertical Bridgman method | Zendy

Rafael Cardoso Toledo | Zendy; Chen Ying An | Zendy; I. N. Bandeira | Zendy

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Influence of gravity on eutectic BiSn samples solidified by the vertical Bridgman method

Author(s) -

Rafael Cardoso Toledo,

Chen Ying An,

I. N. Bandeira

Publication year - 2017

Publication title -

brazilian workshop on semiconductor physics

Language(s) - English

Resource type - Conference proceedings

ISSN - 2527-0672

DOI - 10.17648/bwsp-2017-79321

Subject(s) - eutectic system , materials science , directional solidification , metallurgy , geology , alloy

Composition profiles of the eutectic Bismuth-Tin alloy (Bi43Sn57 at%) solidified by regular and inverted vertical Bridgman methods are presented, and the study of the influence of the gravity on the solute alloy redistribution is made. The inverted vertical Bridgman method (IVB), where the solidification occurs from the top to the bottom of the melt, allows to set-up an opposite solutal and thermal configuration from that of the regular vertical Bridgman (VB) method. The samples were analyzed by densitometry and scanning electron microscopy (SEM).

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