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Details of Grant 

EPSRC Reference: GR/L03828/01
Title: LASER WELDING OF STEELS FOR LIGHTWEIGHT VEHICLE CONSTRUCTION
Principal Investigator: Wallach, Dr ER
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Air Products and Chemicals Centre for Exploitation of Science & Tec Ford Motor Co
GKN Aerospace (Melrose) Hawtal Whiting Jaguar Land Rover Limited
National Starch & Chemical Ltd Pre Nexus Migration Tata Steel Limited
TWI Ltd
Department: Materials Science & Metallurgy
Organisation: University of Cambridge
Scheme: Standard Research (Pre-FEC)
Starts: 14 October 1996 Ends: 13 October 1999 Value (£): 158,325
EPSRC Research Topic Classifications:
Energy Efficiency Eng. Dynamics & Tribology
Materials testing & eng.
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors Transport Systems and Vehicles
Related Grants:
Panel History:  
Summary on Grant Application Form
The need to develop lightweight vehicles necessitates the use of new fabrication methods, including laser welding, and the optimisation of steels used in their construction. This research aims to develop the use of laser welded to join steels (existing , new and zinc coated) for lightweight vehicles, and to investigate the resulting properties.A number of candidate steels with different carbon equivalents, inclusion contents and yield strengths (ranging from inclusion-free low carbon deep drawing steels to high strength low alloy and dual phase steels) will be laser welded using a range of welding conditions. Microstructures and mechanical properties, including formability, will be correlated with process variables and composition. To underpin the experimental work, modelling will be used to predict weld structures (thus facilitating future developments), to optimise the design of suitable filler materials (so improving properties and/or reduce fit-up problems, and to understand (hence be able to predict) the extent of springback when forming welded assemblies.
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Organisation Website: http://www.cam.ac.uk