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The Physical Chemistry of Inoculation of Cast Iron

Published online by Cambridge University Press:  21 February 2011

M. A. Gadd  and
G. H. J. Bennett
M. A. Gadd
Affiliation:
Department of Metallurgy & Materials, University of Birmingham, U.K.
G. H. J. Bennett
Affiliation:
Department of Metallurgy & Materials, University of Birmingham, U.K.
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Abstract

A theoretical analysis of inoculation shows that homogeneous nucleation of CaO, CaS, Al2O3 and ZrO2 is possible arid subsequent heterogeneous nucleation of silicates yields substrates for graphite growth. Excessive silicate growth leading to separation of nuclei could result in fade.

Results show that CaO/CaS embyros are most effective via silicate formation, Zr and Al control fade arido xidation enhances inoculation and fade. Added stable oxides give only limited inoculation.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 34: Symposium – Physical Metallurgy of Cast Iron , 1984 , 99
Copyright
Copyright © Materials Research Society 1985

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References

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