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Low frequency ultrasonic propagation through fibre reinforced, polymer composites

Harper, M. J. and Clarke, Alan Richard 2002. Low frequency ultrasonic propagation through fibre reinforced, polymer composites. Ultrasonics 40 (1-8) , pp. 555-560. 10.1016/S0041-624X(02)00169-5

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This paper concentrates upon mesoscale variations observed in the time-of-flight (TOF) area scans of shear wave propagation through `identically processed', injection moulded, glass fibre reinforced, polypropylene plaques. The effect of these structural variations on the derived 3D stiffness constants is discussed. Hence the random measurement errors associated with the stiffness constant measurements are differentiated from the intrinsic process-induced spatial variations. Interesting correlations between TOF and received amplitudes of shear wave propagation have been found and our tentative interpretation of these data in terms of mesostructural variations in the reinforcing fibre locations and fibre orientations is presented.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
European Cancer Stem Cell Research Institute (ECSCRI)
Uncontrolled Keywords: Ultrasonics; Composites; 3D stiffness constants; Fibre orientation
Publisher: Elsevier
ISSN: 0041-624X
Last Modified: 21 Oct 2016 05:14

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