Engineering Transactions, 62, 1, pp. 17-31, 2014

The Use of Computed Tomography and Ultrasonic Imaging for Assessment of Defects in Plates Made of a Polyesteric Resin

Daniela Ioana TUDOR
University Politehnica, Department of Strength of Materials, Faculty of Engineering and Management of Technological Systems, Splaiul Independentei 313, Sector 6, 060042, Bucharest
Romania

Stefan Dan PASTRAMA
University Politehnica, Department of Strength of Materials, Faculty of Engineering and Management of Technological Systems, Splaiul Independentei 313, Sector 6, 060042, Bucharest
Romania

Anton HADAR
University Politehnica, Department of Strength of Materials, Faculty of Engineering and Management of Technological Systems, Splaiul Independentei 313, Sector 6, 060042, Bucharest
Romania

The paper presents an experimental assessment of defects in a layered plate made of a polyesteric resin (plastic material). Two non-destructive methods were used: X-ray computed tomography and ultrasonic imaging. The main purpose of this work was to establish the position, shape and size of the defects that appeared during the manufacturing process. A three-dimensional model was obtained from the X-ray tomography using specific software for data
processing. The model was used in order to evaluate the effect of defects on the integrity of the analyzed structure, by comparing the numerical results with the ones for a similar plate without defects. Some considerations on the efficiency of the two used experimental methods are also presented.
Keywords: X-ray computed tomography, ultrasonic imaging, finite element method, defects.
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