Influence of the X-Ray Spectrum on the Tomographic Reconstruction of Porous Ceramic Membranes

被引：0

作者：

Grigoriev, M., V ^{[1
]}

Krivonosov, Yu S. ^{[2
]}

Buzmakov, A., V ^{[2
]}

Chukalina, M., V ^{[2
,4
]}

Asadchikov, V. E. ^{[2
]}

Uvarov, V., I ^{[3
]}

机构：

[1] Russian Acad Sci, Inst Microelect Technol & High Pur Mat, Chernogolovka 142432, Moscow Oblast, Russia

[2] Russian Acad Sci, Fed Sci Res Ctr Crystallog & Photon, Shubnikov Inst Crystallog, Moscow 119333, Russia

[3] Russian Acad Sci, Merzhanov Inst Struct Macrokinet & Mat Sci, Chernogolovka 142432, Moscow Oblast, Russia

[4] Moscow Inst Phys & Technol, Dolgoprudnyi 141701, Moscow Oblast, Russia

来源：

CRYSTALLOGRAPHY REPORTS | 2021年 / 66卷 / 06期

关键词：

BEAM HARDENING CORRECTION; COMPUTED-TOMOGRAPHY;

D O I：

10.1134/S1063774521060122

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

X-ray microtomography is used for non-destructive reconstruction of the internal morphological structure of objects. The influence of the tomographic experiment conditions and the projection-data preprocessing on the results of calculating the morphological parameters of a porous ceramic SiC membrane has been studied. The membrane parameters (porosity, specific surface area, and average sizes of the matrix grains and pores) have been analyzed. A dependence of the values of morphological parameters, calculated using a binarized image, on the degree of polychromatic-radiation filtering is demonstrated. It is shown that the procedure of automatic gamma-power correction of sinograms makes it possible to increase the reconstruction quality and the accuracy of calculating the morphological parameters. A correspondence between the calculated values of porosity and grain sizes and the measurement results obtained using alternative methods is demonstrated.

引用

页码：1100 / 1108

页数：9

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