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Characterization of Fiber Orientation in Short Fiber Reinforced Composites with an Image Processing Technique

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Authors
Lee, Yong Hoon; Lee, Seok Won; Youn, Jae Ryoun; Kang, Tae Jin; Chung, Kwan Soo
Issue Date
2002-07
Publisher
Springer Verlag
Citation
Mat Res Innovat (2002) 6:65-72
Keywords
CompositesOrientation tensorImage
Abstract
An experimental method is developed to measure
the three-dimensional fiber orientation in short fiber
reinforced composites by utilizing an image processing
technique. The second order orientation tensor can be
calculated with geometrical data that were obtained from
two parallel planar cross-sections. The orientation state
of individual fibers is determined from the geometry of
the elliptical cross-sectional shape on the polished surface.
The basic concept in determining the three-dimensional
fiber orientation tensor is to slice the composite
sample twice in the same direction within a small distance.
The tensor is determined by using a digital image
processing technique and a computational code which
calculates the tensor from the geometrical characteristics
obtained for the elliptical fiber cross-sections. Experiments
are performed to measure the three-dimensional
orientation tensor of composite specimens and good results
are obtained by using the method proposed in this
study
ISSN
1432-8917
Language
English
URI
http://hdl.handle.net/10371/18921
DOI
https://doi.org/10.1007/s10019-002-0180-8
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Material Science and Engineering (재료공학부) Journal Papers (저널논문_재료공학부)
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