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In-Situ Annealing Study of Transformation of alpha and gamma Texture of Interstitial-Free Steel Sheet by High-Energy X-Ray Diffraction

Abstract : High-energy synchrotron diffraction offers great potential for experimental study of recrystallization kinetics. An experimental design to study the recrystallization mechanism of interstitial-free (IF) steel was implemented. The whole annealing process of cold-rolled IF steel with 80% reduction was observed in situ using high-energy X-ray diffraction (HEXRD). The results show how the main texture component of IF steel change, i. e. the alpha [<110> // rolling direction (RD)] fiber texture decreases and the gamma [<111>//normal direction (ND)] fiber texture increases. The important part of the alpha fiber texture is that both the \100\<011> and \112\<011> texture decrease at the beginning of recrystallization. The gamma fiber texture increases at the early stage of recrystallization which stems from the increase of \111\<112>. Nevertheless, the \111\<110> does not change after recrystallization. The dynamic evolution of the main texture components \100\<011> \112\<011> \111\<112> and \111\<110> is given by in-situ HEXRD.
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https://hal.univ-lorraine.fr/hal-01501651
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Submitted on : Tuesday, April 4, 2017 - 2:42:23 PM
Last modification on : Friday, February 26, 2021 - 2:48:02 PM

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  • HAL Id : hal-01501651, version 1

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Liu Yan-Dong, Zhang Yu-Dong, Ren Yang, Albert Tidu, Zuo Liang. In-Situ Annealing Study of Transformation of alpha and gamma Texture of Interstitial-Free Steel Sheet by High-Energy X-Ray Diffraction. Journal of Iron and Steel Research, International, Elsevier, 2013, 20 (5), pp.38-41. ⟨hal-01501651⟩

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