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Details of Grant 

EPSRC Reference: GR/J34286/01
Title: PRECIPITATE AND SOLUTE ATOM EFFECTS IN PARTICLE REINFORCED ALUMINIUM ALLOYS.
Principal Investigator: Gregson, Professor P
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department: Engineering Materials
Organisation: University of Southampton
Scheme: Standard Research (Pre-FEC)
Starts: 01 February 1994 Ends: 31 October 1997 Value (£): 143,019
EPSRC Research Topic Classifications:
Materials Characterisation
EPSRC Industrial Sector Classifications:
Aerospace, Defence and Marine
Related Grants:
Panel History:  
Summary on Grant Application Form
Application of process modelling methods to ceramic particle reinforced heat-treatable aluminium alloys is restricted by inadequate quantitative information on the kinetics of ageing. There is much contradiction and a general lack of direct experimental evidence for the proposed mechanisms of enhancement/retardation of ageing; thus there is a need to examine systematically the possible variables. By selective use of simple model compositions and various thermal treatments the research will investigate the influence of the residual stress distribution, chemistry, vacancy concentration and the role of solute elements within the alloy matrix. Quantification of the role of age-hardening precipitates, solute atoms and vacancies on the evolution of properties in the MMCs will lead to a more detailed understanding of the development of mechanical and physical properties during ageing. Such information is a prerequisite for successful process modelling of these novel materials.
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Organisation Website: http://www.soton.ac.uk