A Synchrotron X-ray Radiography Investigation of Induced Dendrite Fragmentation in Al-15wt%Cu

The effect of a Pulsed Electro Magnetic Field (PEMF) on the solidification of an Al-15 wt%Cu alloy was studied in situ by synchrotron X-ray radiography. Samples were solidified with and without the presence of the PEMF while recording radiographs, enabling observation and quantification of dendrite...

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Bibliographic Details
Main Authors: Liotti, E, Lui, A, Vincent, R, Kumar, S, Guo, Z, Connolley, T, Hart, M, Arnberg, L, Mathiesen, R, Grant, P
Format: Journal article
Language:English
Published: 2013
Description
Summary:The effect of a Pulsed Electro Magnetic Field (PEMF) on the solidification of an Al-15 wt%Cu alloy was studied in situ by synchrotron X-ray radiography. Samples were solidified with and without the presence of the PEMF while recording radiographs, enabling observation and quantification of dendrite fragmentation by image analysis. Fragmentation increased with a PEMF and was attributed to induced inter-dendritic flow. © (2013) Trans Tech Publications, Switzerland.