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Details of Grant 

EPSRC Reference: GR/R90369/01
Title: Faraday: Fracture Mechanics of Z-pinned laminates
Principal Investigator: Partridge, Professor IK
Other Investigators:
Researcher Co-Investigators:
Dr DDR Cartie
Project Partners:
Aztec Group University of Sydney
Department: Sch of Industrial and Manufacturing Scie
Organisation: Cranfield University
Scheme: Standard Research (Pre-FEC)
Starts: 01 April 2002 Ends: 31 March 2004 Value (£): 78,109
EPSRC Research Topic Classifications:
Materials Characterisation Materials testing & eng.
EPSRC Industrial Sector Classifications:
Aerospace, Defence and Marine Transport Systems and Vehicles
Related Grants:
Panel History:  
Summary on Grant Application Form
As the first step, an existing data-base on Z- pinned unidirectional IMS/924 composites tested under Mode II and Mixed Mode I/II will be preprocessed for QA, transformed into the required format and transferred to the collaborating group in the University of Sydney. The variables involved are: areal density of Z-pins, Z-pin diameter, pinned block geometry in relation to specimen geometry and specimen thickness. Supplemental experiments for the establishment of Z-pin traction laws under the appropriate loading modes will be carried out at Cranfield, in conjunction with theoretical developments which build on existing collaborations with groups in Australia and in the USA.In the second stage, detailed requirements for a new database will be identified. The required delamination samples will then be prepared and tested in Cranfield and the new database utilised for fine-tuning and validation of models. The results will be disseminated jointly by all collaborating groups, at ESIS TC4 meetings, conferences and in the open literature. The outcome of the project will be the completion of a set of data analysis tools, suitable for use in the design of composite structures with Z-pin reinforcement.In parallel with the delamination studies and modelling, the project will establish a basis for'quality metrics' by which the structural parameters of Zpinned samples and structures may be assessed (ie. pin insertion regularity, angle and depth).
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Further Information:  
Organisation Website: http://www.cranfield.ac.uk