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Modelling columnar and equiaxed growth

Abstract:

A novel computer model of the evolution of columnar and equiaxed microstructure during alloy solidification has been developed. A control volume finite difference model of conduction heat transfer is applied to a two-dimensional domain bounded by a relatively cold mould. The initial condition is that of superheated liquid, and nucleation occurs either at the mould wall, leading to columnar dendritic growth, or within the bulk liquid, leading to the growth of equiaxed dendrites. The column...

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Institution:
University of Oxford
Department:
Mathematical and Physical Sciences Division

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Role:
Supervisor
Publication date:
2002
Type of award:
DPhil
Level of award:
Doctoral
Awarding institution:
University of Oxford
Barcode:
603825139
URN:
uuid:3d8ae26b-e0b4-4d54-801d-4951705d53aa
Local pid:
td:603825139

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