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Micromechanisms of Crystallization in (Fe,Co,Ni)-Zr Metallic Glasses

Published online by Cambridge University Press:  15 February 2011

Hans-Georg Franke ,
Uwe KÖster ,
Hans-Werner Schroeder  and
Johann MÜller
Hans-Georg Franke
Affiliation:
Abt. Chemietechnik, Universität Dortmund D–4600 Dortmund, F.R.Germany
Uwe KÖster
Affiliation:
Abt. Chemietechnik, Universität Dortmund D–4600 Dortmund, F.R.Germany
Hans-Werner Schroeder
Affiliation:
Abt. Chemietechnik, Universität Dortmund D–4600 Dortmund, F.R.Germany
Johann MÜller
Affiliation:
Institut für Werkstoffe, Ruhr-Universitat Bochum D–4630 Bochum, F.R.Germany
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Abstract

Depending on the Zr-concentration crystallization of (Fe-,Co,Ni)-Zr glasses has been found by TEM studies to occur by primary and polymorphic crystallization, however, not by eutectic crystallization reactions. Nucleation and growth rates of these ractions have been analyzed systematically. Thermal stability as indicated by orowth as well as nucleation rates decreases with increasing Zr-content and atomic number of the late transition metal. Using this knowledge on nucleation and orowth rates conditions for designing particular microstructures by crystallization reactions can be predicted.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 8 , 1981 , 455
Copyright
Copyright © Materials Research Society 1982

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References

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