3D Detection and Quantitative Characterization of Cracks in a Ceramic Matrix Composite Tube Using X-Ray Computed Tomography

Y. Chen; L. Gélébart; C. Chateau; M. Bornert; A. King; P. Aimedieu; C. Sauder

doi:10.1007/s11340-019-00557-5

3D Detection and Quantitative Characterization of Cracks in a Ceramic Matrix Composite Tube Using X-Ray Computed Tomography

Y. Chen, L. Gélébart, C. Chateau, M. Bornert, A. King, P. Aimedieu, C. Sauder

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

24 Citations (SciVal)

Abstract

Cracks play an essential role in the degradation of the thermomechanical behavior of ceramic matrix composites. However, characterizing their complex 3D geometries within a complex microstructure is still a challenge. This paper presents a series of procedures, based on X-ray tomographic images, to evaluate the applied 3D strains, including their through-thickness gradients, and to detect and quantify the induced crack networks in ceramic matrix composites. Digital volume correlation and some dedicated image processing algorithms are employed. A novel method is proposed to estimate the opening, orientation and surface area of the detected cracks. The proposed procedures are applied to the images of a SiC/SiC composite tube that has been tested in situ under uniaxial tension with synchrotron X-ray computed tomography.

Original language	English
Pages (from-to)	409-424
Number of pages	16
Journal	Experimental Mechanics
Volume	60
Issue number	3
DOIs	https://doi.org/10.1007/s11340-019-00557-5
Publication status	Published - 1 Mar 2020

Bibliographical note

Funding Information:
This work was supported by the CNRS program “Défi NEEDS Matériaux”. The loading machine used during the in situ XRCT test was designed and manufactured by LMS (Ecole polytechnique) and Laboratoire Navier.

Publisher Copyright:
© 2020, Society for Experimental Mechanics.

Keywords

Ceramic matrix composites (CMCs)
Crack quantification
Damage mechanisms
X-ray computed tomography

ASJC Scopus subject areas

Aerospace Engineering
Mechanics of Materials
Mechanical Engineering

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10.1007/s11340-019-00557-5

Cite this

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abstract = "Cracks play an essential role in the degradation of the thermomechanical behavior of ceramic matrix composites. However, characterizing their complex 3D geometries within a complex microstructure is still a challenge. This paper presents a series of procedures, based on X-ray tomographic images, to evaluate the applied 3D strains, including their through-thickness gradients, and to detect and quantify the induced crack networks in ceramic matrix composites. Digital volume correlation and some dedicated image processing algorithms are employed. A novel method is proposed to estimate the opening, orientation and surface area of the detected cracks. The proposed procedures are applied to the images of a SiC/SiC composite tube that has been tested in situ under uniaxial tension with synchrotron X-ray computed tomography.",

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AU - Chateau, C.

AU - Bornert, M.

AU - King, A.

AU - Aimedieu, P.

AU - Sauder, C.

N1 - Funding Information: This work was supported by the CNRS program “Défi NEEDS Matériaux”. The loading machine used during the in situ XRCT test was designed and manufactured by LMS (Ecole polytechnique) and Laboratoire Navier. Publisher Copyright: © 2020, Society for Experimental Mechanics.

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N2 - Cracks play an essential role in the degradation of the thermomechanical behavior of ceramic matrix composites. However, characterizing their complex 3D geometries within a complex microstructure is still a challenge. This paper presents a series of procedures, based on X-ray tomographic images, to evaluate the applied 3D strains, including their through-thickness gradients, and to detect and quantify the induced crack networks in ceramic matrix composites. Digital volume correlation and some dedicated image processing algorithms are employed. A novel method is proposed to estimate the opening, orientation and surface area of the detected cracks. The proposed procedures are applied to the images of a SiC/SiC composite tube that has been tested in situ under uniaxial tension with synchrotron X-ray computed tomography.

AB - Cracks play an essential role in the degradation of the thermomechanical behavior of ceramic matrix composites. However, characterizing their complex 3D geometries within a complex microstructure is still a challenge. This paper presents a series of procedures, based on X-ray tomographic images, to evaluate the applied 3D strains, including their through-thickness gradients, and to detect and quantify the induced crack networks in ceramic matrix composites. Digital volume correlation and some dedicated image processing algorithms are employed. A novel method is proposed to estimate the opening, orientation and surface area of the detected cracks. The proposed procedures are applied to the images of a SiC/SiC composite tube that has been tested in situ under uniaxial tension with synchrotron X-ray computed tomography.

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3D Detection and Quantitative Characterization of Cracks in a Ceramic Matrix Composite Tube Using X-Ray Computed Tomography

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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