Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.01 vteřin. 
Identification of damaged zones in C/PPS specimens subjected to fatigue loading based on high-resolution thermography
Koudelka_ml., P. ; Kytýř, Daniel ; Fenclová, Nela ; Šperl, Martin
In this study high resolution thermography is used for identification of damaged zones in Carbon fiber/polyphenylene sulfide (C/PPS) long fiber composite specimens with induced impact damage subjected to tensile fatigue loading. Image processing techniques were applied on thermographs from all loading cases to obtain segmented images of the damaged location that were then used for\ncalculation of the heated area. Results show that the considered method can be used to identify heated area in the vicinity of damage with high confidence at low number of cycles where no significant fatigue effect is present in the material.
Calibration of an image processing tool for analysis of fibre orientation in fibre reinforced composites
Hos, J. ; Doktor, T. ; Petráňová, Veronika ; Kytýř, Daniel
This paper deals with calculation of fibre orientation distribution (FOD) in fibre reinforced composite. The calculation was based on image analysis algorithm applied on image acquired by scanning electron microscope. A composite with oriented fibres was selected to be enable calibration of the algorithm by comparison of the obtained results with FOD declared by the manufacturer.

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