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Details of Grant 

EPSRC Reference: GR/M92966/01
Title: JREI: QUANTIFICATION OF SHOT PEENING EFFECTS ON FRETTING FATIGUE OBSERVED HIGH LOAD TRANSFERJOINTS
Principal Investigator: de los Rios, Dr E
Other Investigators:
Brown, Professor M W
Researcher Co-Investigators:
Project Partners:
Airbus Group Limited University of Sheffield
Department: Mechanical Engineering
Organisation: University of Sheffield
Scheme: JREI
Starts: 20 July 2000 Ends: 19 April 2002 Value (£): 46,706
EPSRC Research Topic Classifications:
Eng. Dynamics & Tribology
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
Related Grants:
Panel History:  
Summary on Grant Application Form
The general aim of this project is to investigate the influence of shot peening on fretting damage mechanisms and integrate the effects of shot peening with structural assessment procedures for fretting fatigue, as displayed in high load transfer joints. The research programme is designed to develop an understanding of the influence of fastener clamping force on the failure initiation mechanism and fatigue life of high load transfer joints. This will be achieved by carrying out tests (i) to study mixed-mode crack propagation, with loads that are representative of actual fretting conditions. Mixed-mode crack growth rules will be developed. (u) Fretting tests performed to differentiate between the fretting conditions associated with pre-loaded bolt assemblies.The results will be used to assess the fretting crack growth models developed in the current programme. New methods of fretting fatigue life prediction embodying the main phases of fatigue crack growth, including initiation, microstructurally short, physically small and long cracks, will be developed.
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Organisation Website: http://www.shef.ac.uk