Author:
Santos Jorge,Jarfors Anders E. W.,Dahle Arne K.
Abstract
AbstractPrimary type polyhedral silicon crystals were observed in the vicinity of oxides located at or near the surface of strontium modified semi-solid Al–7Si–Mg castings. The coarse silicon polyhedrons were observed mainly on the outer side of oxides surrounding the macrosegregation regions. The silicon crystals most likely nucleated on AlP-particles located near the oxides. These AlP particles may nucleate on the wetted surface of oxides, or form at different locations in the interdendritic regions.
Publisher
Springer Science and Business Media LLC
Subject
Metals and Alloys,Mechanics of Materials,Condensed Matter Physics
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