Application of Digital Image Correlation for the effect of glass fibres on the strength ...
Update: 2013-07-10
Description
For many years short fibre reinforced polymers have been commercially very attractive, mainly because of their superior mechanical properties over corresponding polymer matrices and their low-cost fabrication technique. Owing to their complex microstructure, especially in relation to fibre length and orientation distributions, an understanding of strength has not been well established. The aim of the present study is the investigation of the mechanical performance of injection moulded short glass fibre-reinforced polyamide composites. The glass fibre content of these composites was 35% by weight. Mono axial static tests were carried out. Specimens of the same material have been tested at different time starting form their production in order to analyse the natural ageing of the investigated composite material. The Digital Image Correlation (DIC) technique was applied during the tensile tests in order to obtain the stress-strain curves and to detect the failure zone at the early stages of the tests. From the experimental investigation, it results that there is a worsening of mechanical properties due natural aging of the test material.
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