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Metals 2015, 5(2), 986-999; doi:10.3390/met5020986

Hot Ductility Behavior of a Peritectic Steel during Continuous Casting

Department of Materials Science and Engineering, Alanya Alaaddin Keykubat University, Alanya-Antalya 07425, Turkey
Academic Editor: Hugo F. Lopez
Received: 15 May 2015 / Revised: 25 May 2015 / Accepted: 27 May 2015 / Published: 3 June 2015
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Abstract

Hot ductility properties of a peritectic steel for welded gas cylinders during continuous casting were studied by performing hot tensile tests at certain temperatures ranging from 1200 to 700 °C for some cooling rates by using Gleeble-3500 thermo-mechanical test and simulation machine in this study. The effects of cooling rate and strain rate on hot ductility were investigated and continuous casting process map (time-temperature-ductility) were plotted for this material. Reduction of area (RA) decreases and cracking susceptibility increases during cooling from solidification between certain temperatures depending on the cooling rate. Although the temperatures which fracture behavior change upon cooling during continuous casting may vary for different materials, it was found that the type of fracture was ductile at 1100 and 1050 °C; semi-ductile at 1000 °C, and brittle at 800 °C for the steel P245NB. There is a ductility trough between 1000 and 725 °C. The ductility trough gets slightly narrower as the cooling rate decreases. View Full-Text
Keywords: hot ductility; peritectic steel; continuous casting; reduction of area; simulation hot ductility; peritectic steel; continuous casting; reduction of area; simulation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Arıkan, M.M. Hot Ductility Behavior of a Peritectic Steel during Continuous Casting. Metals 2015, 5, 986-999.

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