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The Deformation Mechanisms of TWIP Steels (Fe-Mn-C) Viewed by X-Ray Diffraction

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Abstract:

Fully austenitic steels of the Fe-Mn-C system can show extensive deformation twinning (TWIP effect). The deformed microstructure of such steels has been analysed using X-ray diffraction at the European Synchrotron Radiation Facility (ESRF). The experimental diffractograms, recorded using a 2D CCD camera, are analysed in terms of Bragg peak profiles (broadening and asymmetry) and position (shift from the reference [undeformed state] position) leading to an estimation of dislocation and stacking faults densities.

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Periodical:

Solid State Phenomena (Volume 130)

Pages:

53-56

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.130.53

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Online since:

December 2007

Authors:

J.L. Collet, Françoise Bley, Alexis Deschamps, H. de Monestrol, Jean François Berar, Colin Scott

Keywords:

Diffraction, Dislocation, Profile Analysis, Stacking Fault, Twin, TWIP, X-Ray

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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