The influence of N on hot ductility of V-, Nb-, and Nb-Ti- containing steels using improved thermal simulation of continuous casting

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dc.contributor.author Banks, K.M. (Kevin)
dc.contributor.author Tuling, Alison
dc.contributor.author Mintz, Barrie
dc.date.accessioned 2012-01-18T13:41:21Z
dc.date.available 2012-01-18T13:41:21Z
dc.date.issued 2011-10
dc.description.abstract The hot ductility of in situ melted tensile specimens of microalloyed steels having C contents in the range 0.12–0.17% (mass %) have been examined over the 700–1000°C temperature range. An improved testing method for simulating the continuous casting process was used, which takes into account both primary and secondary cooling conditions. Increasing the N content to electric arc furnace levels (0.01% N) was found to cause a serious deterioration in ductility. V-N steel gave better ductility than Nbcontaining steels due to less precipitation. From a cracking perspective, low- N steels are generally recommended but, when not feasible, a combination of Nb and V gives even better ductility. However, to be sure of avoiding transverse cracking in higher N steels a small addition of Ti is required. This resulted in a decrease in the fraction of fine particles and in accord with this better ductility. Transverse cracking of industrial slabs was then avoided. en_US
dc.description.librarian ai2012 en
dc.description.uri http://www.saimm.co.za/ en_US
dc.identifier.citation Banks, KM, Tuling, A & Mintz, B 2011, 'The influence of N on hot ductility of V-, Nb-, and Nb-Ti- containing steels using improved thermal simulation of continuous casting', Journal of the South African Institute of Mining and Metallurgy, vol. 111, no. 10, 711-716. en_US
dc.identifier.issn 0038-223X
dc.identifier.uri http://hdl.handle.net/2263/17818
dc.language.iso en en_US
dc.publisher Southern African Institute for Industrial Engineering en_US
dc.rights © The Southern African Institute of Mining and Metallurgy en_US
dc.subject Hot ductility en_US
dc.subject Steel en_US
dc.subject Ti additions en_US
dc.subject.lcsh Steel -- Ductility en
dc.subject.lcsh Steel alloys -- Ductility en
dc.subject.lcsh Continuous casting en
dc.subject.lcsh Steel alloys -- Cracking en
dc.subject.lcsh Steel -- Cracking en
dc.subject.lcsh Steel -- Heat treatment en
dc.subject.lcsh Steel alloys -- Heat treatment en
dc.subject.lcsh Titanium en
dc.title The influence of N on hot ductility of V-, Nb-, and Nb-Ti- containing steels using improved thermal simulation of continuous casting en_US
dc.type Article en_US


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