Characterization of multilayer structures in fiber reinforced polymer employing synchrotron and laboratory X-ray CT
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Abstract
Specimens of carbon or glass fiber reinforced polymer can be imaged using both conventional laboratory X-ray micro-computed tomography equipment and synchrotron light sources. The image quality when using intense (partially) coherent synchrotron light is still superior, especially when applying phase-retrieval algorithms. In the resulting volume images, the fiber direction distribution and other mechanically relevant parameters such as volume fractions or layer thickness can be determined. In this contribution, we will demonstrate how fiber direction results can be used to detect regions with locally different fiber orientations in carbon or glass fiber reinforced polymer which arise in the molding process of such samples. To this end, we evaluate the three-dimensional fiber orientation tensor locally across the thickness of different specimens. For each resulting individual layer, we can automatically detect the layer thickness and the preferred fiber direction. These methods have been successfully applied to various commercial specimens. We will demonstrate results on volume images of samples from both synchrotron and laboratory micro-computed tomography and discuss the specific advantages and disadvantages in this application.
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© 2014, Carl Hanser Verlag, München
Articles in the same Issue
- Contents
- Contents
- Editorial
- Materials tomography is coming of age
- Original Contributions
- Microtomographic assessment of damage in P91 and E911 steels after long-term creep
- Imaging of nano-seeded nucleation in cement pastes by X-ray diffraction tomography
- High-speed in-situ tomography of liquid protein foams
- Imaging of hydrogen in steels using neutrons
- Characterization of multilayer structures in fiber reinforced polymer employing synchrotron and laboratory X-ray CT
- Ptychographic Fresnel coherent diffraction tomography at the nanoscale
- Materials research and non-destructive testing using neutron tomography methods
- The PPI value of open foams and its estimation using image analysis
- Combined use of micro computed tomography and histology to evaluate the regenerative capacity of bone grafting materials
- Assessing the grain structure of highly X-ray absorbing metallic alloys
- Microstructural analysis of a C/SiC ceramic based on the segmentation of X-ray phase contrast tomographic data
- People
- Prof. Dr. Dr. h. c. Lorenz Ratke on his 65th birthday
- DGM News
- DGM News
Articles in the same Issue
- Contents
- Contents
- Editorial
- Materials tomography is coming of age
- Original Contributions
- Microtomographic assessment of damage in P91 and E911 steels after long-term creep
- Imaging of nano-seeded nucleation in cement pastes by X-ray diffraction tomography
- High-speed in-situ tomography of liquid protein foams
- Imaging of hydrogen in steels using neutrons
- Characterization of multilayer structures in fiber reinforced polymer employing synchrotron and laboratory X-ray CT
- Ptychographic Fresnel coherent diffraction tomography at the nanoscale
- Materials research and non-destructive testing using neutron tomography methods
- The PPI value of open foams and its estimation using image analysis
- Combined use of micro computed tomography and histology to evaluate the regenerative capacity of bone grafting materials
- Assessing the grain structure of highly X-ray absorbing metallic alloys
- Microstructural analysis of a C/SiC ceramic based on the segmentation of X-ray phase contrast tomographic data
- People
- Prof. Dr. Dr. h. c. Lorenz Ratke on his 65th birthday
- DGM News
- DGM News