Computer-assisted scanning electron microscopy of wood pulp fibres: Dimensions and spatial distributions in a polypropylene composite

A shape description approach is introduced as a step for performing an automatic processing of fibre cross-sectional images. The approach, in combination with appropriate mathematical morphology, yields edited images, which are suitable for further computerized image analysis. Important parameters s...

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Bibliographic Details
Published in:Micron (Oxford, England : 1993) England : 1993), 2009-10, Vol.40 (7), p.761-768
Main Authors: Chinga-Carrasco, G., Lenes, M., Johnsen, P.O., Hult, E.-L.
Format: Article
Language:English
Subjects:
Cellulose - ultrastructure
Composite Resins - chemistry
Composites
Computerized image analysis
Image Processing, Computer-Assisted - methods
ImageJ
Microscopy
Microscopy, Electron, Scanning - methods
Polypropylenes - chemistry
Pulp fibres
Stress, Mechanical
Tensile Strength
Wood - ultrastructure
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Summary:A shape description approach is introduced as a step for performing an automatic processing of fibre cross-sectional images. The approach, in combination with appropriate mathematical morphology, yields edited images, which are suitable for further computerized image analysis. Important parameters such as fibre wall thickness, fibre perimeter, form factor and collapse index are quantified effectively and objectively. Although some differences are encountered within groups of split fibres, manual and automatic quantification of intact fibres yields similar results. In addition, the suitability of a distance transform approach for quantifying the fibre inter-distances in composites is demonstrated. Such tools will be valuable for understanding the mechanical properties of engineered fibre-reinforced composite materials.
ISSN:0968-4328
1878-4291
DOI:10.1016/j.micron.2009.04.010