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Revista de Metalurgia
Article . 1998 . Peer-reviewed
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Revista de Metalurgia
Article
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Revista de Metalurgia
Article . 1998
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DIGITAL.CSIC
Article . 2012 . Peer-reviewed
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Estructura y textura de la fase Al3CaZn en una chapa laminada de la aleación superplástica Al-5 % Ca-5 % Zn

Authors: Pérez Prado, María Teresa; Ibáñez, Joaquín; Morris, David G.; Cristina, M. C.; Ruano, Oscar Antonio; González-Doncel, Gaspar;

Estructura y textura de la fase Al3CaZn en una chapa laminada de la aleación superplástica Al-5 % Ca-5 % Zn

Abstract

En este trabajo se ha determinado la estructura de la fase Al3CaZn, presente en una chapa laminada de la aleación Al-5 % Ca-5 % Zn, mediante técnicas de difracción de rayos X (DRX) y difracción de electrones (MET). Además, se ha estudiado su textura mediante figuras de polos y la función de distribución de orientaciones (FDO). La aleación Al-5 % Ca-5 % Zn objeto de este estudio consta de una matriz de aluminio de grano fino (d ≈ 2-3 μm) y un 20 % vol. de la fase Al3CaZn. Esta segunda fase está presente en el material de partida en forma de partículas esferoidales de 0,2 - 0,5 μm de diámetro. La aleación presenta un comportamiento superplástico en un amplio intervalo tanto de velocidades de deformación como de temperaturas. Se ha encontrado que la fase Al3CaZn posee una estructura tetragonal centrada, con parámetros de red a = b= 0,422 nm y c = 1,131 nm. Presenta, además, una textura de fibra , en la que los cristales se colocan preferentemente con el eje c perpendicular al plano de laminación. Esta textura se acentúa después de tratamientos térmicos severos.

Country
Spain
Keywords

Intermetálico, textura, Aluminio, Mining engineering. Metallurgy, Crystallography, intermetálico, Intermetallics, Textura, TN1-997, aluminio, Superplasticidad, superplasticidad, Aluminium, Superplasticity, Cristalografía, Texture, cristalografía

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selected citations
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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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