NTNU Short Course on solidification at IISc October – November 2012 Lars Arnberg, NTNU 1. Introduction – basic concepts 29/10 1. Nucleation - grain refinement 31/10 Crystal morphology 3. Interface stability 5/11 Cells and dendrites 4. Three phase solidification 7/11 Segregation 1
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NTNU Short Course on solidification at IISc October – November 2012 Lars Arnberg, NTNU 1.Introduction – basic concepts 29/10 1.Nucleation - grain refinement.
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NTNU
Short Course on solidification at IISc October – November 2012Lars Arnberg, NTNU
1. Introduction – basic concepts 29/10
1. Nucleation - grain refinement 31/10
Crystal morphology
3. Interface stability 5/11
Cells and dendrites
4. Three phase solidification 7/11
Segregation
1
NTNUSolidification, Lecture 1
Introduction / Basic concepts
Simple heat flow during solidification
Mushy Zone
Columnar / equiaxed solidification
Curvature effects
Phase diagrams – solute redistribution
2
NTNU
3
Microstructure
Solidification of metals is a crystallisation process