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Details of Grant 

EPSRC Reference: GR/K02367/01
Title: IMPROVED PLATINUM-ALUMINIDE COATINGS FOR ENHANCED CORROSION PERFORMANCE
Principal Investigator: Datta, Professor P
Other Investigators:
Burnell-Gray, Dr J
Researcher Co-Investigators:
Project Partners:
Chromalloy (Uk)ltd Rolls-Royce Plc
Department: Sch of Engineering & Technology
Organisation: Northumbria, University of
Scheme: Standard Research (Pre-FEC)
Starts: 01 April 1995 Ends: 31 October 1998 Value (£): 170,272
EPSRC Research Topic Classifications:
Materials Processing
EPSRC Industrial Sector Classifications:
Aerospace, Defence and Marine
Related Grants:
Panel History:  
Summary on Grant Application Form
Addition of Pt to alumina-forming alloys and coatings has beneficial effects on oxidation and hot corrosion performance. This project seeks to optimise the performance of conventional Pt-aluminide coatings and then assess the potential of other precious metals as replacements for Pt, or in combination with Pt. The focus will then shift to determining optimum levels of incorporated rare earth elements, reactive additions and refractory metals to facilitate oxide integrity and formation of a diffusion barrier layer. An understanding of the development of microstructures of these hybrid coatings and their influence on the mechanisms of degradation - as evaluated by, for instance, coating ductility testing - will form the central theme of this project. The overall expectation is that the project will eventually lead to an improved coating system which better meets the requirements of enhanced aero engine performance and minimised life cycle costs.
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