Effect of rapid solidification on the microstructure and microhardness of BS1452 grade 250 hypoeutectic grey cast iron

Containerless solidification of low alloyed commercial grey cast iron in two different cooling media (N2 and He) using a 6.5 m high vacuum drop-tube have been investigated. Both the conventionally cooled, as-cast alloy and the rapidly cooled drop-tube samples were characterized using SEM, XRD and Vi...

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Veröffentlicht in:	Journal of alloys and compounds 2017-06, Vol.707, p.347-350
Hauptverfasser:	Oloyede, Olamilekan, Cochrane, Robert F., Mullis, Andrew M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloy cast iron Alpha iron Casting alloys Cementite Containerless solidification Cooling rate Diamond pyramid hardness Droplets Graphitic structure Gray iron Grey cast iron High vacuum Iron carbides Mechanical properties Metastable phase Microhardness Microstructural analysis Microstructure Rapid solidification Solidification Supercooling
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