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Image analytical characterization of graphite in grey cast iron and classification of lamellar arrangement

: Ohser, J.; Sandau, K.; Stets, W.; Gerber, W.

Praktische Metallographie 40 (2003), Nr.9, S.454-473
ISSN: 0032-678X
Fraunhofer ITWM ()

The present article initially gives a survey of methods to characterize the morphology of graphite in stably solidified grey cast iron alloys. It presents a new method for a classification of lamellar graphite using image analysis, which is based on valid industrial standards or in-house guidelines. This method relies on expert knowledge in the form of a database which is comprised of carefully classified images of microstructures. This allows foundries and cast product purchasers to analyze graphite formation in cast iron components containing lamellar graphite.