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Gray cast iron with superfine graphite, high primary austenite fraction and optimized mechanical properties

The present invention describes a flake graphitic cast iron with a chemical composition which allows obtaining superfine graphite and a large amount of primary austenite resulting in optimized mechanical properties. Particularly a higher amount of primary austenite and an intermediate graphite structure between the coral and type D flake distribution conferring high strength and low hardness to the material with relatively high equivalent carbons is achieved.


Jon Sertucha, Pello Larrañaga, Ramón Suárez, Doru M. Stefanescu (Ohio State University and University of Alabama).


Gray casting, Superfine graphite, optimized mechanical properties.


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