TY  - JOUR
AB  - Purpose– The purpose of this paper is to develop a realistic computational model of carbon fibre reinforced polymer (CFRP) structures dedicated for in-silico investigations of the use of X-ray-based imaging techniques as non-destructive testing (NDT) of CFRP parts. Design/methodology/approach– CFRPs contain layers of carbon-fibres bundles within resin. Bundles’ orientation in the different layers is arranged with respect to each other at a well-defined primary direction. In the model, the bundle was simulated as a circular cylinder. The resulted model is a stack of layers of unidirectional bundles having orientation of 0°/90°/45°/−45°. Two CFRP structures were modelled: a flat CFRP part and a real shaped CFRP clip. A porous layer and non-carbon fibres were inserted within each model, respectively. X-ray projection images were generated with a dedicated simulation programme. Three setups were investigated: radiography, tomosynthesis and cone-beam CT (CBCT). Findings– Results showed that porosity and non-carbon fibres were visible with all X-ray-based techniques. Tomosynthesis and CBCT, however, provide higher quality image of defects. Practical implications– The CFRP computational model is a valuable tool in design, testing and optimization phase of X-ray-based imaging techniques for use in NDT of composite materials. Simulated images are generated within a short time; thus results from virtual optimization and testing are obtained very fast and at low cost. Originality/value– An innovative computational model of CFRP structures, dedicated for X-ray imaging simulations, has been developed. The model is characterized by simplicity in its creation and realistic visual appearance of the produced X-ray images.
VL  - 5
IS  - 3
SN  - 1757-9864
DO  - 10.1108/IJSI-02-2014-0009
UR  - https://doi.org/10.1108/IJSI-02-2014-0009
AU  - Bliznakova Kristina
AU  - Kamarianakis Zacharias
AU  - Dermitzakis Aris
AU  - Bliznakov Zhivko
AU  - Buliev Ivan
AU  - Pallikarakis Nicolas
ED  - Professor Mario Guagliano and Professor Spiros Pantelakis
PY  - 2014
Y1  - 2014/01/01
TI  - Modelling of small CFRP aerostructure parts for X-ray imaging simulation
T2  - International Journal of Structural Integrity
PB  - Emerald Group Publishing Limited
SP  - 227
EP  - 240
Y2  - 2024/04/25
ER  -