Investigation of polymer composite material samples by X-ray computed tomography and processing of tomograms with the image of the volume fraction of porosity

Demidov A.A., Krupnina O.A., Mikhailova N.A., Kosarina E.I.
UDC
620.179.152.1
DOI
10.18577/2307-6046-2021-0-5-105-113
Article PDF (Russian) (812.8 KB)
How to cite
Demidov A.A., Krupnina O.A., Mikhailova N.A., Kosarina E.I. Investigation of polymer composite material samples by X-ray computed tomography and processing of tomograms with the image of the volume fraction of porosity // Proceedings of VIAM. 2021. No. 5. DOI: 10.18577/2307-6046-2021-0-5-105-113. URL: https://test.viam.ru/en/journal/2021/5/11
Keywords
polymer composite material (PCM), x-ray computed tomography (x-ray CT), porosity volume fraction (PVF), segmentation.
Abstract

The question of the quality of samples made of polymer composite materials and its verification by x-ray computed tomography is considered. The capabilities of North Star Imaging X5000 tomograph were studied and the samples from PCM were examined for detection and evaluation of the porosity volume fraction. The factors influencing the accuracy of the estimation of the porosity volume fraction are investigated. Namely the size voxel, a filter material, quantity of projections. On the other hand, the size вокселя defines resolution of the digital image, the relation depends on a material of the applied filter a signal/noise, productivity of control worsens with growth of quantity of projections. The choice of optimum values of the listed parametres is necessary for satisfactory quality received tomographic images.

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