Computationally derived correlations between segregation, microstructure variations and process-induced cracks in AM

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• Prof Hector Basoalto, Sheffield University
• Friday 27 January 2023, 14:00-15:00
• Meeting ID: 898 8054 7075 .

If you have a question about this talk, please contact Hilde Hambro.

A multiscale materials modelling framework for selective laser melting (SLM) of precipitate strengthened nickel-based superalloys is presented. The approach accounts for physical phenomena over a number of length and temporal scales associated with solid-liquid-vapour transitions, solidification microstructures (grains and precipitation of ) and defects, as well as the development of residual stress states. Numerical simulations of the emerging microstructure and properties as a function of process parameters are presented for a low and high  volume fraction superalloys. The mechanical driving forces acting on grain boundaries acting along grain boundaries are calculated using crystal plasticity.

This talk is part of the Engineering - Mechanics and Materials Seminar Series series.

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