CUED Publications database

Characterisation of waviness defects in industrial composite samples

Lemanski, SL and Sutcliffe, MPF and Scott, AE (2011) Characterisation of waviness defects in industrial composite samples. In: UNSPECIFIED.

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A robust methodology has been developed for characterising and quantifying the orientation of fibres within nominally UD composites, and applied to two industrial components. The standard deviation of fibre orientation is greater for the RTM component than for the pre-preg component. Additionally, it is seen that fibre orientation varies more quickly between adjacent fibres than it does along the fibre direction. Fibre orientation results taken from CT images are in good agreement with the optical images of samples taken from the same component. This work is being used to enable more representative finite element modelling of compressively loaded UD composites, in which regions fibre waviness initiate microbuckling leading to material failure.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Divisions: Div C > Biomechanics
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:33
Last Modified: 22 May 2018 07:15