Abstract
Ferrite/graphite and martensite/graphite interfaces in three commercial cast irons have been analyzed using transmission electron microscopy. Two recurring orientation relationships have been found to account for over 60 pct of the ferrite/graphite interfaces analyzed. A similar pair of relationships discovered in martensitic material strongly suggests that the prior austenite/graphite interface was also ordered. The same relationships were prominent in gray and ductile irons. One of the relationships observed can be transformed through the Kurdjumov-Sachs relationship to a previously-reported austenite/graphite relationship.
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Formerly with the Department of Metallurgy and Mining Engineering, University of Illinois, Urbana, IL.
Formerly with the Department of Metallurgy and Mining Engineering, University of Illinois, Urbana, IL.
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Kim, S., Phillips, D.S. Orientation relationships in graphitic cast irons. Metall Trans A 18, 1907–1913 (1987). https://doi.org/10.1007/BF02647020
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DOI: https://doi.org/10.1007/BF02647020