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Friday 27 January 2023, 14:00-15:00
Computationally derived correlations between segregation, microstructure variations and process-induced cracks in AM
- đ¤ Speaker: Prof Hector Basoalto, Sheffield University
- đ Date & Time: Friday 27 January 2023, 14:00 - 15:00
- đ Venue: Meeting ID: 898 8054 7075
Abstract
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 ī§īĸ) 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 ī§īĸ volume fraction superalloys. The mechanical driving forces acting on grain boundaries acting along grain boundaries are calculated using crystal plasticity.
Series This talk is part of the Engineering - Mechanics and Materials Seminar Series series.
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