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Characterization of Melt Spun Cu-Nb Ribbons

Published online by Cambridge University Press:  15 February 2011

Mei Ling Henne  and
Fereshteh Ebrahimi
Mei Ling Henne
Affiliation:
Materials Science and Engineering Department University of Florida, Gainesville, FL 32611
Fereshteh Ebrahimi
Affiliation:
Materials Science and Engineering Department University of Florida, Gainesville, FL 32611
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Abstract

Microstructure of rapidly solidified Cu-5wt%Nb ribbons produced by melt spinning was investigated by SEM and TEM techniques. Two heat treatments were done: 960°C 1 hour and 900° 3 hours. The microstructures contained three different type particles: (a)large particles located at the grain boundary, (b)small spherical particles located within the grains and at the grain boundaries, and (c)fine precipitates formed upon heat treatment. The evolution of the microstructure is discussed with regard to the previously reported studies.

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