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Revista de Metalurgia
Article . 1998 . Peer-reviewed
License: CC BY
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Revista de Metalurgia
Article
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Revista de Metalurgia
Article . 1998
Data sources: DOAJ
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DIGITAL.CSIC
Article . 2012 . Peer-reviewed
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Influencia del tamaño de partícula de polvo sobre las propiedades mecánicas de la aleación PM Al7075 reforzada con SiCp

Authors: Torralba, Marcelino; Adeva, Paloma; Lieblich, Marcela; Ibáñez, Joaquín; Caruana, Guillermo; García Escorial, Asunción; González-Doncel, Gaspar;

Influencia del tamaño de partícula de polvo sobre las propiedades mecánicas de la aleación PM Al7075 reforzada con SiCp

Abstract

Se ha estudiado la influencia del tamaño de partícula de polvo de la aleación de aluminio 7075, obtenido en condiciones de solidificación rápida (SR) por atomización con argón a alta presión, sobre las propiedades mecánicas a temperatura ambiente de un material compuesto 7075-15 % vol SiCp. Para preparar el material compuesto, se utilizaron tres tamaños distintos de partículas de polvo de la aleación: < 50 μm, 50-100 μm y 100-200 μm. Estas fracciones se mezclaron en un molino de bolas con un 15 % vol de partículas de SiC < 5 μm, y luego se extruyeron en caliente. Las mejores propiedades del compuesto se obtienen cuando se utiliza el tamaño más pequeño. En este caso, se produce una clara mejoría de las propiedades mecánicas respecto del mismo material sin reforzar y obtenido por el mismo procedimiento, excepto para la ductilidad. Esta mejora se atribuye principalmente a una dispersión más homogénea de las partículas reforzantes de SiC.

Country
Spain
Keywords

Solidificación rápida, Mining engineering. Metallurgy, solidificación rápida, TN1-997, tamaño de partícula, A17075-SiCp, Molino de bolas, materiales compuestos, A.A.7075-SiCp, Particle size., al7075-sicp, molino de bolas, Ball mili, Materiales compuestos, Tamaño de partícula, Rapid solidification, Composites

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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