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An Investigation of Grain Refinement in Deeply Undercooled Alloy Droplets Using Texture Analysis

Published online by Cambridge University Press:  21 February 2011

A.F. Norman
Affiliation:
Department of Materials Science and Metallurgy, University of Cambridge, Pembroke Street, Cambridge, CB2 3QZ, U.K.
F. Gärtner
Affiliation:
Department of Materials Science and Metallurgy, University of Cambridge, Pembroke Street, Cambridge, CB2 3QZ, U.K.
K. Eckler
Affiliation:
Institut für Raumsimulation, DLR, Linder Höhe, D-51140 Köln, Germany
A. Zambon
Affiliation:
Dipartimento di Innovazione Meccanica e Gestionale, Università di Padova, Via Marzolo 9, 35131 Padova, Italy
A.L. Greer
Affiliation:
Department of Materials Science and Metallurgy, University of Cambridge, Pembroke Street, Cambridge, CB2 3QZ, U.K.
E. Ramous
Affiliation:
Dipartimento di Innovazione Meccanica e Gestionale, Università di Padova, Via Marzolo 9, 35131 Padova, Italy
D.M. Herlach
Affiliation:
Institut für Raumsimulation, DLR, Linder Höhe, D-51140 Köln, Germany
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Abstract

For Cu - 30 at.% Ni droplets processed by containerless solidification under lévitation, the crystallographic texture correlates strongly with the microstructure seen in optical metallography and with the undercooling at which solidification started. The variation in texture is useful in understanding the development of the microstructure, in particular at the extremes of the undercooling range where grain-refined microstructures are observed.

Type
Research Article
Copyright
Copyright © Materials Research Society 1998

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References

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