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Details of Grant 

EPSRC Reference: GR/H75107/01
Title: THE RELATIONSHIP BETWEEN TENSILE, COMPRESSIVE AND FLEXURAL STRENGTH OF UNIDIRECTIONAL COMPOSITES
Principal Investigator: Wisnom, Professor M
Other Investigators:
Webber, Dr J
Researcher Co-Investigators:
Project Partners:
Department: Aerospace Engineering
Organisation: University of Bristol
Scheme: Standard Research (Pre-FEC)
Starts: 01 January 1993 Ends: 31 May 1996 Value (£): 159,289
EPSRC Research Topic Classifications:
Eng. Dynamics & Tribology Materials Characterisation
EPSRC Industrial Sector Classifications:
Manufacturing Aerospace, Defence and Marine
Related Grants:
Panel History:  
Summary on Grant Application Form
Static tests will be undertaken to establish how fibre direction strength varies with stress distribution and specimen size. Waisted specimens with a very large radius will be used to investigate the effects of specimen length, thickness and width on tensile strength.Appropriate models will be developed for predicting failure. An existing statistical model for tension based on the composite acting as a bundle of fibre bundles will be generalised for the case of combined tension and bending. A new model will be developed for combined compression and bending. The models will be correlated with the results of the experimental programme and then incorporated as post-processing routines in a finite element programme. This will result in a general capability for predicting strength of any arbitrary specimen subject to combined loading. It should enable more effective use to be made of materials at higher design strains leading to improved performance and reduced cost.
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Further Information:  
Organisation Website: http://www.bris.ac.uk