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

Jean Philippe Mathieu; Denis Bouscaud; Karim Inal; Sophie Berveiller; Olivier Diard

doi:10.4028/www.scientific.net/MSF.524-525.523

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Development of Instrument for Residual Stress Measurement in a 50 mm Inner Diameter Power Generation Pipes
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Effect of Grain Size Distribution on Second Order Stresses in Plastically Deformed Polycrystals
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Numerical Study of the Influence of Dislocation Microstructure on Metallic Materials Mechanical Behaviour
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Numerical Simulation of Residual Stresses at the Grain and Sub-Grain Length Scale Using Atomistic Modeling
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Plastic Heterogeneities Characterisation in 16MND5 RPV Steel by X-Ray Diffraction, Comparison with Finite-Element Approach
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Measuring the Variation of Residual Stress with Depth: A Validation Exercise for Fine Incremental Hole Drilling
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Residual Stress Analysis in Crankshaft Using the Hole Drilling Method
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Method for Mapping Multi-Axial Residual Stresses in Continuously-Processed Bodies
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Deep Hole Drill Residual Stress Measurement Technique Experimental Validation
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Plastic Heterogeneities Characterisation in 16MND5 RPV Steel by X-Ray Diffraction, Comparison with Finite-Element Approach

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.