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Projects: Projects for Investigator
Reference Number GR/S45768/01
Title Quantification of the Conditions Leading to the Formation of Defects in SX Superalloy Processing
Status Completed
Energy Categories Not Energy Related 90%;
Other Power and Storage Technologies(Electric power conversion) 5%;
Fossil Fuels: Oil Gas and Coal(Oil and Gas, Oil and gas combustion) 5%;
Research Types Basic and strategic applied research 100%
Science and Technology Fields PHYSICAL SCIENCES AND MATHEMATICS (Metallurgy and Materials) 100%
UKERC Cross Cutting Characterisation Not Cross-cutting 100%
Principal Investigator Professor PD Lee
Materials
University of Manchester
Award Type Standard
Funding Source EPSRC
Start Date 01 April 2004
End Date 30 September 2007
Duration 42 months
Total Grant Value £310,399
Industrial Sectors Materials sciences
Region North West
Programme Metals Programme -- Materials, Mechanical and Medical Eng
 
Investigators Principal Investigator Professor PD Lee , Materials, University of Manchester
  Other Investigator Professor K Mills , Materials, Imperial College London
  Industrial Collaborator Project Contact , Rolls-Royce PLC
Project Contact , Cannon Muskegon Corporation, USA
Project Contact , Siemens Power Generation, Inc (SPGI), USA
Project Contact , University of Florida, USA
Project Contact , Pratt & Whitney, USA
Project Contact , Solar Turbines, USA
Project Contact , Alstom Power Ltd
Web Site
Objectives
Abstract The programme will, in conjunction with a parallel NSF project at the University of Florida, identify the principal factors causing the formation of solidification defects in single crystal superalloy castings. The Imperial College project will focus on measuring the critical materials properties controlling the mechanisms that cause defects for alloy compositions and at temperatures appropriateto the melting range of advanced commercial and experimental SX superalloys. Particular attention will be paid to the role of refractory element additions (W, Re, Ru) and grain boundary modifiers (C, Hf) that have a profound effect on casting characteristics at low concentrations. The material properties are required required for quantification of numerical models of solidification and defect formation. Advanced measurement facilities at the National Physical Laboratory will be used for density, viscosity and surface tension characteriastion; techniques for measurement of liquid state solutediffusion will be refined within the programme. The measured constants will be incorporated in numerical models to simulate SX casting
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Added to Database 01/01/07