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Nanocrystalline ZrN particles embedded in Zr-Fe-Cu-Al-Ni amorphous matrix.

Published online by Cambridge University Press:  11 February 2011

Marisa A. Bab ,
Laura C. Damonte ,
Luis Mendoza-Zélis ,
Stefano Deledda  and
Jurgen Eckert
Marisa A. Bab
Affiliation:
Departamento de Física, Universidad Nacional de La Plata, La Plata, Argentina CIC – Comisión de Investigaciones Científicas de la provincia de Buenos Aires, Argentina
Laura C. Damonte
Affiliation:
Departamento de Física, Universidad Nacional de La Plata, La Plata, Argentina
Luis Mendoza-Zélis
Affiliation:
Departamento de Física, Universidad Nacional de La Plata, La Plata, Argentina
Stefano Deledda
Affiliation:
IFW Dresden, Institute of Metallic Materials, P.O.Box 270016, D-01171 Dresden, Germany.
Jurgen Eckert
Affiliation:
IFW Dresden, Institute of Metallic Materials, P.O.Box 270016, D-01171 Dresden, Germany.
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Abstract

Melt-spun Zr64Al7Cu17Ni10Fe2 amorphous ribbons were milled under nitrogen atmosphere for different times. The resulting nitrided powders were studied by x-ray diffraction, Mössbauer spectroscopy and differential scanning calorimetry. The formation of nanosized crystalline particles, with cubic δ-ZrN structure, dispersed in the amorphous matrix was observed along with a change in the composition of the amorphous phase. Prolonged milling leads to the additional precipitation of late transition metals (Fe,Ni,Cu). The nitride particles affect the crystallization behavior and modify the thermal stability of the amorphous alloy.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 754: Symposium CC – Supercooled Liquids, Glass Transition and Bulk Metallic Glasses , 2002 , CC11.9
Copyright
Copyright © Materials Research Society 2003

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