EBSD Study of Grain Boundary Evolution after Different Cold Rolling Reduction in Duplex Steel

François Brisset; Thierry Baudin; J. Jura

doi:10.4028/www.scientific.net/MSF.636-637.504

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EBSD Study of Grain Boundary Evolution after Different Cold Rolling Reduction in Duplex Steel

Abstract:

The microstructure evolution of a two-phase austenitic-ferritic steel after hot rolling and cold rolling (reduction amounts: 20, 40, 60 and 80%) is investigated with the help of the FEG-SEM / EBSD technique. Special phases orientation relationships (Bain, K-S, N-W and G-T) evolution between neighbouring grains of  and  phases have been characterised as a function of the cold rolling reduction. As this later increases fraction of these particular phase orientation relationships decrease. The same evolution is noticed for the 3 grain boundaries inside the  phase. These results are compared to those observed by TEM.

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Materials Science Forum (Volumes 636-637)

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504-510

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https://doi.org/10.4028/www.scientific.net/MSF.636-637.504

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January 2010

Authors:

François Brisset, Thierry Baudin, J. Jura

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Cold Rolling, Dual Phase Material, FEGSEM/EBSD, TEM

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