Development of Hard Bainite

It is demonstrated that in a high-carbon steel where carbide precipitation is suppressed, bainite can be obtained by isothermal transformation at temperatures as low as 200°C. The time taken for nucleation at this temperature can be many days, but the transformation results in the growth of extremel...

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Veröffentlicht in:	ISIJ International 2003/08/15, Vol.43(8), pp.1238-1243
Hauptverfasser:	Garcia-Mateo, C., Caballero, F. G., H. K. D. H. Bhadeshia
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences bainite Cross-disciplinary physics: materials science rheology Exact sciences and technology hardness Martensitic transformations Materials science Metals. Metallurgy Phase diagrams and microstructures developed by solidification and solid-solid phase transformations phase transformations Physics steel
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Beschreibung
Zusammenfassung:	It is demonstrated that in a high-carbon steel where carbide precipitation is suppressed, bainite can be obtained by isothermal transformation at temperatures as low as 200°C. The time taken for nucleation at this temperature can be many days, but the transformation results in the growth of extremely thin platelets of bainite, so thin that the hardness of the resulting steel can be greater than 600 HV.
ISSN:	0915-1559 1347-5460
DOI:	10.2355/isijinternational.43.1238