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SUMMARY:Computationally derived correlations between segregation\, microst
 ructure variations and process-induced cracks in AM  - Prof Hector Basoalt
 o\, Sheffield University
DTSTART:20230127T140000Z
DTEND:20230127T150000Z
UID:TALK193573@talks.cam.ac.uk
CONTACT:Hilde Hambro
DESCRIPTION:A multiscale materials modelling framework for selective laser
  melting (SLM) of precipitate strengthened nickel-based superalloys is pre
 sented. The approach accounts for physical phenomena over a number of leng
 th and temporal scales associated with solid-liquid-vapour transitions\, s
 olidification microstructures (grains and precipitation of ) and def
 ects\, as well as the development of residual stress states. Numerical sim
 ulations of the emerging microstructure and properties as a function of pr
 ocess parameters are presented for a low and high  volume fraction s
 uperalloys. The mechanical driving forces acting on grain boundaries actin
 g along grain boundaries are calculated using crystal plasticity.  
LOCATION:Meeting ID: 898 8054 7075 
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