Plastic Heterogeneities Characterisation in 16MND5 RPV Steel by X-Ray Diffraction, Comparison with Finite-Element Approach

Author:

Mathieu Jean Philippe1,Bouscaud Denis1,Inal Karim2,Berveiller Sophie3,Diard Olivier4

Affiliation:

1. LPMM UMR CNRS 7554

2. STMicroelectronics

3. Ecole Nationale Suprérieures d'Arts et Métiers

4. EDF Centre des Renardières

Abstract

This paper reports experimental characterisation of stress heterogeneities in a French RPV bainitic steel (16MND5) determined by X-Ray diffraction during in-situ tensile testing at low temperature (until –150°C). Results are compared successfully to simulation results, obtained by post-processing of Finite Elements computations of realistic 3D aggregates.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

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