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Low frequency ultrasonic propagation through fibre reinforced, polymer composites.
MedLine Citation:
PMID:  12160001     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
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.
Authors:
M J Harper; A R Clarke
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Ultrasonics     Volume:  40     ISSN:  0041-624X     ISO Abbreviation:  Ultrasonics     Publication Date:  2002 May 
Date Detail:
Created Date:  2002-08-05     Completed Date:  2002-08-23     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0050452     Medline TA:  Ultrasonics     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  555-60     Citation Subset:  -    
Affiliation:
Department of Physics and Astronomy, University of Leeds, UK.
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