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Article . 2006 . Peer-reviewed
License: CC BY
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Article . 2006 . Peer-reviewed
License: CC BY
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Evolution of mechanical properties with temperature in amorphous Mg10Ni10Y ribbons

Authors: Torrijos, Miguel Angel; Garcés, Gerardo; García-Barriocanal, Javier; Pérez Zubiaur, Pablo; Adeva, Paloma;

Evolution of mechanical properties with temperature in amorphous Mg10Ni10Y ribbons

Abstract

El objetivo de este estudio es la caracterización mecánica, mediante ensayos de tracción, desde temperatura ambiente hasta 350°C, de una aleación amorfa de composición Mg- 10Ni-10Y (% at.) obtenida mediante solidificación rápida por la técnica de la rueda. Se analiza la influencia de la adición de itrio al Mg-Ni para lo cual los resultados se comparan con los de la aleación binaria Mg-11Ni estudiada previamente. Antes de iniciar la caracterización mecánica del material, se realizó un estudio mediante calorimetría diferencial de barrido para comprobar la naturaleza amorfa de la cinta, analizar su estabilidad térmica y conocer las transformaciones que experimenta hasta la cristalización. Los resultados indican que el itrio es un estabilizador de la fase amorfa pero no mejora las propiedes mecánicas de la cinta binaria. Los valores de resistencia mecánica y alargamiento a rotura medidos en la cinta con itrio son menores que los obtenidos para la aleación binaria.

The mechanical behaviour by tensile strength test from room temperature to 350 ºC in the rapidly solidified Mg-10Ni-10Y (at. %) ribbon has been studied. To determine the effect of yttrium additions the results are compared with those of Mg-11Ni studied in a previous work. Before studding the mechanical behavior of the material the thermal stability of the amorphous ribbon and the crystallization reactions were determined by DSC experiments. Results show that yttrium stabilizes the amorphous phase but it has not reinforcement effect. The tensile strength and elongation to failure values of the ternary alloy are lower than those of Mg-11Ni.

Este trabajo se ha realizado dentro del Proyecto de Investigación CAM 07N 0075-2002.

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Country
Spain
Related Organizations
Keywords

Aleaciones de magnesio, Propiedades mecánicas, Magnesium alloys, Vidrios metálicos, Mechanical behaviour, Metallic glasses

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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).
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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).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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