Reinforced plastic materials are widely used in high sophisticated applications. The length distribution of the fibres
influences the mechanical properties of the final product.
A method for automatic determination of this length distribution was developed. After separating the fibres out of the
composite material without any damage, and preparing them for microscopical analysis, a mosaic of microscope pictures
is taken. After image processing and analysis with mathematical methods, a complete statistic of the fibre length
distribution could be determined.
A correlation between fibre length distribution and mechanical properties, measured e.g. with material test methods, like
tensile and impact tests, was found.
This is a method to optimize the process and selection of material for the plastic parts. In result this enhances customer
satisfaction and, maybe much more important, reduces costs for the manufacturer.
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