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Data · dataset · 2022

Distribution Behavior of B and P during Al-Si Melt Directional Solidification with Open-Ended Crucible

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Distribution behavior of B and P during directional solidification of Al-20Si, Al-30Si and Al-40Si alloys has been investigated.

Description

Macrostructure of the Al-Si alloy ingots and concentration profile of elements B and P reveal that the elements segregate to eutectic Al-Si melt during growth of primary Si flakes, and P gradually segregates to the top of the ingots during directional solidification.

An apparent segregation coefficient, k(a), is introduced to describe the segregation behavior of B and P between the primary Si and the Al-Si melt and compared with thermodynamic theoretical equilibrium coefficients. The apparent segregation coefficients of B and P decrease with increase of solidification temperature.

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Provenance · 1 source records, 11 field assertions
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ScienceDB10.57760/sciencedb.064947 d agoJSON v1
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