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Cast Iron Inspection by Means of Micromagnetic Procedures

: Laub, U.; Altpeter, I.

Comite Europeen sur les Essais Non Destructifs -ECNDT-, Paris:
7th European Conference on Nondestructive Testing 1998. Vol. 1
Broendby, Denmark, 1998
ISBN: 87-986898-0-00
European Conference on Nondestructive Testing (ECNDT) <7, 1998, Copenhagen>
Conference Paper
Fraunhofer IZFP ()
cast iron; micromagnetic technique; mikromagnetische Technik; weißes Gußeisen

Chilled areas - that means ledebuitic and cementite phases - in cast iron components lead to a dreduction of loadability and causes problems during machining. The micromagnetic procedure described here allows the determination of chilled areas by means of nondestructive testing. Furthermore, it provides the possibility to detect high ferrite contents. The nondestructively evaluated results were confirmed by metallographic polished section imaging at the location of micromagnetic testing.