Relación entre los mecanismos de alimentación y el modo de solidificación en una aleación de aluminio 380 con distintos contenidos de hierro

D. O. Tovio; A. C. González; G. W. Mugica; J. C. Cuyás

doi:10.3989/revmetalm.2003.v39.i4.336

Relation between feeding mechanisms and solidification mode in 380 aluminium alloy with different iron contents

Authors

D. O. Tovio Dpto. de Mecánica-Metalúrgica. Facultad de Ingeniería, U.N.L.P. Laboratorio de Investigaciones de Metalurgia Física "Ing. Gregorio Cusminsky".
A. C. González Facultad de Ingeniería, U.N.L.P. CONICET
G. W. Mugica Dpto. de Mecánica-Metalúrgica. Facultad de Ingeniería, U.N.L.P. Laboratorio de Investigaciones de Metalurgia Física "Ing. Gregorio Cusminsky".
J. C. Cuyás Dpto. de Mecánica-Metalúrgica. Facultad de Ingeniería, U.N.L.P. Laboratorio de Investigaciones de Metalurgia Física "Ing. Gregorio Cusminsky".

DOI:

https://doi.org/10.3989/revmetalm.2003.v39.i4.336

Keywords:

Aluminium, Feeding mechanisms, Iron content, Porosity, Microshrinkage

Abstract

In the present work the effect of iron (0.15, 0.42 and 0.86 %) content in feeding mechanisms for 380 aluminium alloy has been studied. The feeding capacity has been evaluted by a device that produces a barrier removable to allowing the movement of the interdendritic liquid. The results show the flow of different quantity of liquid, it depends of the temperature of opening the device and of the iron content. For minimun and maximun iron content, the interdendritic and burst feeding mechanisms are fundamently involved, for 0.42 % of iron the feeding mechanisms was the interdendritic.The authors establish this behavior by the solidification mode of alloy, which promotes the presence of particles of Si or plates of b-Al₅FeSi phase, in the interdendritic channels and produce the different feeding mechanisms.

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Published

2003-08-30

How to Cite

Tovio, D. O., González, A. C., Mugica, G. W., & Cuyás, J. C. (2003). Relation between feeding mechanisms and solidification mode in 380 aluminium alloy with different iron contents. Revista De Metalurgia, 39(4), 252–259. https://doi.org/10.3989/revmetalm.2003.v39.i4.336

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Issue

Vol. 39 No. 4 (2003)

Section

Articles

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