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Details of Grant 

EPSRC Reference: GR/T27877/01
Title: Effect of Texture on Performance in Ti6AI-4V
Principal Investigator: Dye, Professor D
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Rolls-Royce Plc (UK)
Department: Materials
Organisation: Imperial College London
Scheme: First Grant Scheme Pre-FEC
Starts: 01 October 2004 Ends: 30 September 2007 Value (£): 123,648
EPSRC Research Topic Classifications:
Materials Characterisation
EPSRC Industrial Sector Classifications:
Energy Aerospace, Defence and Marine
Related Grants:
Panel History:  
Summary on Grant Application Form
Current developments in thereto-mechanical processing and novel production routes (e.g. electrolytic reduction) offer the opportunity to provide stepchange improvements in the performance of advanced materials. However, new alloy and process developments traditionally have taken 10-15 years to deliver into service, which inhibits the adoption of new technologies. Advances in materials modelling offer the possibility of drastically reducing this lead time through the adoption of virtual prototyping applied to qualification testing and for the optimization of processing.The program is aimed at (i) investigating whether the effect of texture on fatigue performance is mediated by intergranular microstrains or by some other mechanism, (ii) predicting the effect of texture on intergranular microstrain accumulation in this system, (iii) predicting the textures obtained during deformation processing and (iv) deriving a physically reasonable model for the effect of microstrains on fatigue performance. This would then enable the optimisation by deformation processing of the fatigue performance of Ti-6AI-4V components using knowledge of the in-service loading conditions.The eventual realisation of the modelling paradigm proposed here would enable the cradle-to-grave prediction of the materials performance expected from any alloy / process innovation, using a virtual laboratory approach.
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Organisation Website: http://www.imperial.ac.uk