3D RECONSTRUCTION AND ANALYSIS OF THE FRAGMENTED GRAINS IN A COMPOSITE MATERIAL

X-ray microtomography from solid propellant allows studying the microstructure of fragmented grains in damaged samples. A new reconstruction algorithm of fragmented grains for 3D images is introduced. Based on a watershed transform of a morphological closing of the input image, the algorithm can be...

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Bibliographic Details
Published in:Image analysis & stereology 2013-06, Vol.32 (2), p.107-115
Main Authors: Gillibert, Luc, Jeulin, Dominique
Format: Article
Language:English
Subjects:
Atomic properties
clustering
Composite materials
Composition
Condensed Matter
damage
Materials Science
mathematical morphology
Mechanical properties
Methods
Particles
Physics
reconstruction
segmentation
solid propellant
Tomography
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Summary:X-ray microtomography from solid propellant allows studying the microstructure of fragmented grains in damaged samples. A new reconstruction algorithm of fragmented grains for 3D images is introduced. Based on a watershed transform of a morphological closing of the input image, the algorithm can be used  with different sets of markers. Two of them are compared. After the grain reconstruction, a multiscale segmentation  algorithm is used to extract each fragment of the damaged grains. This allows an original quantitative study of the  fragmentation of each grain in 3D. Experimental results on X-ray microtomographic images of a solid propellant fragmented under compression are presented and validated.
ISSN:1580-3139
1854-5165
DOI:10.5566/ias.v32.p107-115