The effects of vanadium, niobium, titanium and zirconium on the microstructure and mechanical properties of thin slab cast steels

Li, Y., Wilson, J.A., Crowther, D.N., Mitchell, P.S., Craven, A.J. and Baker, T.N. (2004) The effects of vanadium, niobium, titanium and zirconium on the microstructure and mechanical properties of thin slab cast steels. ISIJ International, 44(6), pp. 1093-1102.

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Abstract

The evolution of precipitation and microstructure during a simulation of the thin slab direct rolling process, in six vanadium based, low carbon, steels with V, V-N, V-Ti-N, V-Nb, V-Nb-Ti and V-Zr additions was studied by optical microscopy, analytical transmission electron microscopy (TEM), energy dispersive X-ray analysis (EDAX) and parallel electron energy loss spectroscopy (PEELS). Tensile properties and Charpy vee- notch toughness of the final strip were also determined. The effects of microalloying additions and processing conditions, including equalisation temperature (1200degreesC, 1100degreesC and 1050degreesC) and end water cool temperature, on the austenite and ferrite grain sizes, as well as the type and composition of the precipitates, were determined. The relationship between the microstructure and the properties in the steels was also ascertained.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Craven, Professor Alan and Wilson, Dr James
Authors: Li, Y., Wilson, J.A., Crowther, D.N., Mitchell, P.S., Craven, A.J., and Baker, T.N.
Subjects:T Technology > TS Manufactures
T Technology > TP Chemical technology
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:ISIJ International
ISSN:0915-1559

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