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

Li, Y. and Wilson, J.A. and Crowther, D. and Mitchell, P.S. 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. ISSN 0915-1559

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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 (1 200°C, 1 100°C and 1 050°C) 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: Article
ID code: 5740
Keywords: vanadium, nitrogen, vanadium-niobium, vanadium-titanium, vanadium-zirconium, microalloyed steel, thin slab direct rolling, equalisation temperature, microstructure, precipitation, mechanical properties., Mechanical engineering and machinery, Mining engineering. Metallurgy, Materials Chemistry, Mechanics of Materials, Metals and Alloys, Mechanical Engineering
Subjects: Technology > Mechanical engineering and machinery
Technology > Mining engineering. Metallurgy
Department: Faculty of Engineering > Mechanical and Aerospace Engineering
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Depositing user: Strathprints Administrator
Date Deposited: 06 Apr 2008
Last modified: 04 Sep 2014 15:57
URI: http://strathprints.strath.ac.uk/id/eprint/5740

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