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SUMMARY:IMX Seminar Series - Predicting multi-component alloy microstructu
 res using phase-field simulations
DTSTART:20231030T131500
DTEND:20231030T141500
DTSTAMP:20260407T145504Z
UID:f85b565dc26846a6ae8d175c5b3ee5b77a9d9af52f8fa083ebc9fd58
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Nele Moelans\, KU Leuven\, Belgium\nMulticomponent alloy
 s show intricate microstructure evolution\, providing materials engineers 
 with a nearly inexhaustible variety of solutions to enhance material prope
 rties. A number of recent discoveries has largely increased the interest i
 n multicomponent alloy design\, such as high-entropy and multi-principle-e
 lement alloys\, which can give access to combinations of properties that c
 annot be obtained in alloys based on a single major element. To fully expl
 oit the new opportunities\, a profound and systematic understanding of the
  effects of compositional variations and heat treatment on microstructure 
 evolution in these alloys is required. Phase-field models to simulate the 
 evolution of microstructures have the capability to become an important to
 ol in computer-aided design of multi-component alloys. They can simulate t
 he evolution of complex\, multi-phase microstructures during phase transfo
 rmations\, deformation and annealing\, taking into account a wide range of
  effects\, such as bulk and grain boundary diffusion\, transformation stra
 ins\, and anisotropy in bulk and interface properties. Phase-field models 
 can be coupled with thermodynamic and diffusion CALPHAD databases and acco
 unt for experimental and calculated information on interface properties\, 
 elastic constants and crystal structures. But\, today\, there are still im
 portant challenges as well in applying the phase-field method to multi-com
 ponent alloys\, limiting the number of elements and phases that can practi
 cally be considered in a simulation. This presentation will give an introd
 uction to the\nstate-of-the-art in phase-field modeling for multi-componen
 t alloys and its current challenges. Next\, methodologies\, integrating ph
 ase-field models with data driven and machine learning methods facilitatin
 g the application of phase-field models in multi-component alloy design ar
 e discussed.\nhttps://www.mtm.kuleuven.be/english/research/scalint/NMDM/na
 no-microstructure-design-materials\n\nBio: Nele Moelans obtained her PhD i
 n 2006 from KU Leuven\, Department of Materials Engineering. After her PhD
 \, she became a postdoctoral fellow of Research Foundation Flanders (2006-
 2010) and was a visiting postdoc at Lawrence Livermore National Laboratory
  (2008-2009). Since 2010\, she is\nprofessor at the Department of Material
 s Engineering\, KU Leuven\, where she is currently division head of the un
 it “Structural Composites and Alloys\, Integrity and Nondestructive Test
 ing” and teacher of courses related to thermodynamics\, phase-transforma
 tions and modeling. Within the research group Nano- and Microstructure Des
 ign of Materials\, she is leading a research team working on multi-compone
 nt alloy design and microstructure simulations. In 2016\, she obtained an 
 ERC Starting Grant ”Unravelling interdiffusion effects at material inter
 faces – Learning from tensors of microstructure evolution simulations (I
 NTERDIFFUSION)” and\, recently\, she obtained an ERC Proof of Concept gr
 ant ”Innovative digital twin concept of complex microstructure evolution
  in\nmulti-component materials (μ Twin)”. She is member of the editoria
 l board of Journal of Magnesium and Alloys and associate editor of Materia
 ls Theory.
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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