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Title: Influence of grain-refiner addition on the morphology of fe-bearing intermetallics in a semi-solid processed Al-Mg-Si alloy
Authors: Smith, T
O'Reilly, K
Kumar, S
Stone, I
Issue Date: 2013
Publisher: ASM International
Citation: Metallurgical and Materials Transactions A, 44(11), 4866 - 4871, 2013
Abstract: The three-dimensional morphologies of the Fe-bearing intermetallics in a semisolid-processed Al-Mg-Si alloy were examined after extracting the intermetallics. α -AlFeSi and β-AlFeSi are the major Fe-bearing intermetallics. Addition of Al-Ti-B grain refiner typically promotes β-AlFeSi formation. β-AlFeSi was observed with a flat, plate-like morphology with angular edges in the alloy with and without grain refiner, whereas α -AlFeSi was observed as "flower"-like morphology in the alloy with grain refiner. © 2013 The Minerals, Metals & Materials Society and ASM International.
Description: © The Minerals, Metals & Materials Society and ASM International 2013
ISSN: 1073-5623
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Brunel Centre for Advanced Solidification Technology (BCAST)

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