Relation between feeding mechanisms and solidification mode in 380 aluminium alloy with different iron contents
Keywords:Aluminium, Feeding mechanisms, Iron content, Porosity, Microshrinkage
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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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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