Abstract
Knowledge of the mechanical behavior, especially at the microscale level, is of great importance to better understand the failure mechanisms of injection molded glass fiber reinforced polymers. Furthermore, knowledge about deformation and damage processes help to improve the quality of structural simulations leading to reduced safety margin and optimized lightweight design. Interrupted in situ tensile testing by X-ray computed tomography allows for a stepwise, time depending investigation of the local strain and defect formation. The objective of this work is the determination of local strains by Digital Volume Correlation and the defect segmentation and characterization. The obtained results were analysed in context of the fibre orientation distribution and show good agreement with the theoretical considerations.
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