High Resolution 3D Strain and Orientation Mapping within a Single Grain on Various Forms (Additive Manufacturing vs Wrought vs Welded) of 31
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The current programme aims to improve the lifespan and operational efficiency of energy generation plants by studying the degradation mechanisms of 316 austenitic stainless steel, a common material used for structural components. The overall project uses a multi-scale experimental approach that merges computational modelling with state-of-the-art experimental techniques to create an unprecedented comprehensive characterisation of structural materials behaviour. Dark Field X-ray Microscopy (DFXM) experiments, correlated to on-going HR-EBSD and DIC work, will enable 3D mapping at nanoscale to improve our models by obtaining strain distribution within a grain of interest. The results will help understand the effect of localised strain fields on crack growth rate in demanding environments.
