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Measuring spatial orientation of short fiber reinforced thermoplastics by image analysis
Author(s) -
Fischer Günther,
Eyerer Peter
Publication year - 1988
Publication title -
polymer composites
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.577
H-Index - 82
eISSN - 1548-0569
pISSN - 0272-8397
DOI - 10.1002/pc.750090409
Subject(s) - orientation (vector space) , subroutine , materials science , fiber , fortran , glass fiber , simple (philosophy) , set (abstract data type) , volume (thermodynamics) , function (biology) , composite material , thermal , section (typography) , computer science , mathematics , geometry , physics , philosophy , epistemology , quantum mechanics , evolutionary biology , biology , programming language , operating system , meteorology
A computer based measuring strategy to determine spatial orientation of short glass fibers from the cross‐section of single fibers is presented. A practicable way of correcting the inclination‐dependent probability of hitting a fiber is shown as well as the correction of fiber‐end intersections. The latter is done by pattern recognition and application of a set of FORTRAN subroutines. A simple model allows the approximate calculation of thermal expansion as a function of volume content and fiber orientation. This serves as an applicability test for the measuring system.

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