The origin of 'anomalous' microsegregation in Al-Si foundry alloys - modelling and experimental verification

Authors
Dons, AL Pedersen, L Arnberg, L
Citation
Al. Dons et al., The origin of 'anomalous' microsegregation in Al-Si foundry alloys - modelling and experimental verification, MAT SCI E A, 271(1-2), 1999, pp. 91-94
Citations number
6
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science","Material Science & Engineering
Journal title
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN journal
09215093 → ACNP
Volume
271
Issue
1-2
Year of publication
1999
Pages
91 - 94
Database
ISI
SICI code
0921-5093(19991101)271:1-2<91:TOO'MI>2.0.ZU;2-U
Abstract
Slowly cooled Al-7 wt.% Si foundry alloys show 'anomalous' segregation of S i in the dendrite arms, with higher concentrations in the centre of the den drites than near the eutectic. Calculations and experiments show that this is caused by growth of particles in the eutectic during the cooling period after solidification is completed. (C) 1999 Elsevier Science S.A. All right s reserved.