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Influence of Trace Elemients Oh Graphite Forms in Cast Iron

Published online by Cambridge University Press:  21 February 2011

R. D. Bhavsar ,
N. W. Blake ,
B. Ghoreshy  and
T. W. Smith
R. D. Bhavsar
Affiliation:
Department of Metallurgical Engineering Queen's University, Kingston, Ontario, Canada K7L 3N6
N. W. Blake
Affiliation:
Department of Metallurgical Engineering Queen's University, Kingston, Ontario, Canada K7L 3N6
B. Ghoreshy
Affiliation:
Department of Metallurgical Engineering Queen's University, Kingston, Ontario, Canada K7L 3N6
T. W. Smith
Affiliation:
Department of Metallurgical Engineering Queen's University, Kingston, Ontario, Canada K7L 3N6
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Abstract

Synthetic and commercial Fe-C-Si irons have been frozen under controlled conditions after vacuum purification in order to correlate graphite forms with freezing conditions and alloy composition. It was found that graphite morphology was influenced prirmarily by the sulphur and oxygen contents and the rate of cooling. The various modes of graphite growth are discussed, particularly the appearance of the coral and compacted graphite surfaces at high magnification after the addition of oxygen or nitrogen.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 34: Symposium – Physical Metallurgy of Cast Iron , 1984 , 77
Copyright
Copyright © Materials Research Society 1985

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References

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