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In-situ synchrotron crystallographic texture characterization during phase transformation at high temperatures in ODS ferritic steel

Abstract : Texture evolution in a ferritic-martensitic 9wtpercentCr Oxide Dispersion Strengthened (ODS) steels is studied during in-situ heat treatment using synchrotron X-Ray diffraction analysis. The initial texture of cold-formed ODS steel tubes presents a well-known et945;-fiber (<101> -- RD). After high temperature heat treatment, this sharp texture fiber, inherited from cold forming, is still observed. To elucidate the effect of et945;-et61543; phase transformation on the microstructure, diffracted transmission patterns are acquired during the heating-cooling sequence. Initial cold worked texture, holding time and cooling rate influence on the final texture is studied. This study offers a special insight on the crystallographic texture of austenite in ODS steel.
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https://hal-cea.archives-ouvertes.fr/cea-02339834
Contributor : Bibliothèque Cadarache <>
Submitted on : Wednesday, October 30, 2019 - 3:30:41 PM
Last modification on : Tuesday, April 28, 2020 - 11:28:13 AM

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  • HAL Id : cea-02339834, version 1

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E. Vakhitova, D. Sornin, J. Wright, M. Francois, N. Lochet. In-situ synchrotron crystallographic texture characterization during phase transformation at high temperatures in ODS ferritic steel. Acta Materialia, Elsevier, 2018. ⟨cea-02339834⟩

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