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Asymmetric Rolling of Interstitial-Free Steel Using Differential Roll Diameters. Part II: Microstructure and Annealing Effects

Abstract : The effects of annealing on the microstructure, texture, tensile properties, and R value evolution of an IF steel sheet after room-temperature symmetric and asymmetric rolling were examined. Simulations were carried out to obtain R values from the experimental textures using the viscoplastic self-consistent polycrystal plasticity model. The investigation revealed the variations in the textures due to annealing and symmetric/asymmetric rolling and showed that the R values correlate strongly with the evolution of the texture. An optimum heat treatment for the balance of strength, ductility, and deep drawability was found to be at 873 K (600 degrees C) for 30 minutes.
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https://hal.univ-lorraine.fr/hal-01503451
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Submitted on : Friday, April 7, 2017 - 10:24:22 AM
Last modification on : Friday, February 26, 2021 - 2:48:02 PM

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Dmitry Orlov, Rimma Lapovok, Laszlo S. Toth, Ilana B. Timokhina, Peter D. Hodgson, et al.. Asymmetric Rolling of Interstitial-Free Steel Using Differential Roll Diameters. Part II: Microstructure and Annealing Effects. Metallurgical and Materials Transactions A, Springer Verlag/ASM International, 2014, 45A (1), pp.447-454. ⟨10.1007/s11661-013-1958-6⟩. ⟨hal-01503451⟩

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