Details of Grant 

EPSRC Reference:	GR/L57845/01
Title:	MODELLING OF SECONDARY MELTING FOR PROCESS CONTROL: SIMULATION OF MICROSTRUCTURE FOR IMPROVED PERFORMANCE
Principal Investigator:	McLean, Dr M
Other Investigators:	Jacobs, Dr MH Lee, Professor P
Researcher Co-Investigators:
Project Partners:
Department:	Materials
Organisation:	Imperial College London
Scheme:	Standard Research (Pre-FEC)
Starts:	01 October 1997	Ends:	31 January 2001	Value (£):	197,900
EPSRC Research Topic Classifications:	Materials Processing
EPSRC Industrial Sector Classifications:	Manufacturing
Related Grants:
Panel History:
Summary on Grant Application Form
The principal scientific aim of the research is to develop a flexible and validated model of secondary melting processes that combines a macroscopic description of heat and fluid flow with a prediction of the evolution of microstructure in the ingots. The technological aim is to predict both the intrinsic microstructures developed by the alloys during secondary melting processing and the ability of the processes to remove extraneous features, such as ceramics inclusions, during processing.The specific technical objective of the proposed investigation is to couple macroscopic process models to mesoscopic and microscopic models to predict a range of macro- and microstructural features of the secondary melting processes including: macro-segregation/freckle formation; solidification microstructures and micro-segregation; the thermal history and residence time of inclusions; and the phases formed and solid state transformations they undergo. The model will be validated against well controlled and instrumented experimental configurations including benchtop directional solidification, pilot scale remelting facilities and full scale VAR billets. By instrumenting and modelling the process, a better understanding of the materials behaviour will be gained, providing the insight for the development of new alloys that can be processed by cost effective routes.
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Organisation Website:	http://www.imperial.ac.uk