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SUMMARY:Uncovering 3D microstructural and crystallographic texture evoluti
 on in additively manufactured alloys - Dr Sravya Tekumalla\, University of
  Victoria
DTSTART:20250707T130000Z
DTEND:20250707T140000Z
UID:TALK232021@talks.cam.ac.uk
CONTACT:46601
DESCRIPTION:Laser powder bed fusion (LPBF) of metals produces hierarchical
  microstructures—melt pools\, grains\, dendrites\, and dislocations—dr
 iven by high cooling rates and thermal gradients. These features lead to c
 omplex solidification dynamics and strong textures via epitaxial grain gro
 wth. Using fully automated large-volume 3D electron backscatter diffractio
 n (EBSD)\, we reveal how grains evolve across melt pools\, often extending
  through the build with notable lattice rotations. Our findings highlight 
 mechanisms of grain orientation selection and point toward the design of p
 rogrammable microstructures on-demand in metal additive manufacturing.\n
LOCATION:Oatley 1 Meeting Room\, Department of Engineering
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