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Mechanical Testing and Analysis of innovative Prepreg Systems

Final Report Summary - MAPS (Mechanical Testing and Analysis of innovative Prepreg Systems)

Executive Summary:
The aim of this work is the complete characterisation of innovative prepreg systems based on carbon fibres and nanoparticle modified resins. After the test specimen production well known and Long time approved mechanical test methods related the aircraft industry, as well as thermo-mechanical and chemical analyses will be used for the characterisation. Regarding the fibre-matrix adhesion a novel test method will be developed which is based on a tensile test for single fibres. Considering the long time experience in harmonising test methods for fibres and the experience of testing single natural, synthetic and high Performance fibres a pull out test with a so called Dia-Stron Equipment will be feasible resulting in a very simple and standarised test method to determine the fibre Matrix adhesion.

Project Context and Objectives:
This work characterize a complete innovative prepreg systems based on carbon fibres and nanoparticle modified resins. After the test specimen production well known and Long time approved mechanical test methods related the aircraft industry, as well as thermo-mechanical and chemical analyses will be used for the characterisation. Regarding the fibre-matrix adhesion a novel test method will be developed which is based on a tensile test for single fibres. Considering the long time experience in harmonising test methods for fibres and the experience of testing single natural, synthetic and high Performance fibres a pull out test with a so called Dia-Stron Equipment will be feasible resulting in a very simple and standarised test method to determine the fibre Matrix adhesion.

Project Results:
A comparative statement about the influence of the resin system on the CAI values is due to the significant fault in the laminates not possible, because they are greatly influenced by the quality of the component.

Single Fibre Pull Out test
Different variations of the experiment led to no usable result. The Diastron method is for the combination of carbon fiber and the here tested resin not suitable.

Potential Impact:
We confirm that no ethical fundamentals were infringed by the proposal.
During the Project the work was distribute evenly on male and female employess whereas the specialisation of each staff member was considered.

List of Websites:

www.faserinstitut.de
final1-maps-255670-final-report.pdf