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  • Effects of solidification of microstructure and segregation on hot cracking susceptibility of steels "as cast", determined by mechanical testing of solidified materials "in situ"

Abstract

The combined effect of solidification structure and segregation on the mechanical behaviour of structural steels (Nb-microalloyed) and special continuously cast steels (silicon iron) has been considered. This has been performed by tension test apparatus for the in situ melting and solidification of the specimens just before each test. The mechanical behaviour data collected has been related to the typical as-cast product defects observed industrially. High temperature microstructure evolution and mechanical behaviour have been investigated after in situ solidification of low carbon steels with and without calcium (used to modify the inclusions' distribution) characterised by different alloy and microalloy elements content (Mn, V, Ti, Nb), and silicon iron steels with different levels of carbon, tin and silicon.

Additional information

Authors: FORTUNATI S, Centro Sviluppo Materiali SpA, Roma (IT);ANELLI E, Centro Sviluppo Materiali SpA, Roma (IT);MATERA S, Centro Sviluppo Materiali SpA, Roma (IT)
Bibliographic Reference: EUR 14794 IT (1994) 154 pp., FS, ECU 20
Availability: (2)
ISBN: ISBN 92-826-7010-4
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