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Grain-Coarsening Resistance and The Stability of Second-Phase Dispersions in Rapidly Solidified Steels

Published online by Cambridge University Press:  15 February 2011

G. B. Olson ,
H. C. Ling ,
J. S. Montgomery ,
J. B. Vander Sande  and
M. Cohen
G. B. Olson
Affiliation:
MIT, Cambridge, MA;
H. C. Ling
Affiliation:
MIT, Cambridge, MA; now at Western Electric Engineering Research Labs., Princeton, NJ, USA
J. S. Montgomery
Affiliation:
MIT, Cambridge, MA;
J. B. Vander Sande
Affiliation:
MIT, Cambridge, MA;
M. Cohen
Affiliation:
MIT, Cambridge, MA;
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Abstract

Control of alloy composition and processing to achieve grain coarsening resistance in rapidly solidified alloys is examined via the theory of grain boundary pinning and particle coarsening. The principles are illustrated for the case of manganese sulfides in steels. A thermodynamic survey of potential stable dispersed phases identifies TiN and rare-earth sulfides as particularly promising for alloy development via rapid solidification.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 8 , 1981 , 355
Copyright
Copyright © Materials Research Society 1982

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References

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