Details of Grant 

EPSRC Reference:	EP/G014132/1
Title:	Static and Dynamic Rolling to Reduce Residual Stress and Distortion
Principal Investigator:	Colegrove, Dr PA
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department:	Sch of Applied Sciences
Organisation:	Cranfield University
Scheme:	First Grant Scheme
Starts:	14 September 2009	Ends:	31 March 2013	Value (£):	251,996
EPSRC Research Topic Classifications:	Eng. Dynamics & Tribology Materials testing & eng.
EPSRC Industrial Sector Classifications:	Manufacturing
Related Grants:
Panel History:	Panel Date Panel Name Outcome 09 Sep 2008 Engineering Science (Components) Panel Announced
Summary on Grant Application Form
Weld residual stress and distortion are problems that continue to cost UK industry millions of pounds per year. Localised rolling around the weld zone has the potential to solve these problems. However this technique has not been developed due to a lack of scientific understanding and it requires the application of a large vertical force, making implementation difficult. This problem can be overcome with a detailed scientific study and novel rolling techniques, such as dynamic rolling.The aim of the project is to develop and increase the scientific understanding of static and dynamic rolling processes to control weld residual stress and distortion. These improvements will lead to safer, higher performance structures and therefore increased competitiveness for UK industry. This aim will be achieved through accomplishing the following objectives:1. Development of models that predict the residual stress from the combined action of welding and rolling.2. Development of models to understand the dynamic rolling process.3. Understanding the key parameters to developing and modelling these rolling processes.4. An improved scientific understanding of how these rolling processes work.5. Experimental validation of the models and measurement of fatigue strength.6. Developing methods of applying the rolling process to various weld configurations.7. Investigating innovative roller designs that minimise stress concentration effects.
Key Findings
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Potential use in non-academic contexts
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Impacts
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Further Information:
Organisation Website:	http://www.cranfield.ac.uk