Xradia ultra 810
The Xradia Ultra 810 is a high-resolution X-ray microscope designed for non-destructive 3D imaging and analysis. The system utilizes advanced X-ray optics to achieve sub-micrometer spatial resolution, allowing for detailed visualization of internal structures and features without the need for sample preparation or sectioning.
8 protocols using xradia ultra 810
Multi-Scale X-ray CT Imaging of Turnigy Cells
Nanotomographic analysis of microspheres
810 (source voltage of 80 kV, 10 W source power) with the use of a
Zernik phase plate. Prior to the nano-XCT scanning, the sample, constituted
of a few agglomerated microspheres, was fixed on a flattened needle
tip with a total thickness (needle and spheres) of less than 200 μm.
A total of 721 radiographs were taken during a total scan time of
24 h, with a pixel size of 64 × 64 nm and a field of view of
65 × 65 μm. The reconstructed volume is a cube with 65 μm
length sides, allowing the extraction of around 15 spheres from this
limited-size cube. AVIZO 8.0 (FEI), which is commercial software specializing
in 3D image processing, quantification, visualization, and image-based
modeling, was used to process and quantify morphological features.
A 3D conditional median filter with a 3 × 3 kernel size was used
to reduce noise. A global thresholding technique based on a local
gray-scale gradient was used to extract the material’s phase
corresponding to microspheres. Segmentation was performed using phase
contrast based fringes. For the purpose of this study, shell thickness,
thickness variation, sphere connectivity, and sphere shape were the
features of interest.
Nano-CT Imaging of S-Composite Coatings
Multimodal X-ray CT Protocol for Microstructural Analysis
The angles between the grain boundaries and the macro-crack were calculated by aligning a slice with the planes of the different boundaries, taking the normal of this aligned slice, and then computing the dot-product with the direction along the axis of the cylinder.
High-Resolution Nano-CT Imaging Protocol
Detailed X-ray CT Imaging of Gyroid and 3D-Printed Structures
When visualizing the internal porosity inside of the 3D-printed sample, a ZEISS Xradia Ultra 810 with a chromium target was used at a fixed accelerating voltage of 35 keV [35 (link), 36 (link)]. A piece of printed material was cut to dimensions of 1 mm and adhered atop a pinhead for imaging, as displayed in Fig.
X-ray CT imaging setup.
Characterization of Hybrid Carbon Fiber
Tomography Analysis of Carbon Fiber Structures
] The tomograms were acquired using a Zeiss Xradia 810 Ultra (Carl Zeiss, Germany) instrument with a fixed Xray source energy of 5.4 keV. To maximize contrast between the lowly attenuating carbon phase and the background air, Zernike phase contrast imaging was employed[68
] which provided a visual enhancement at the fiber edges. In both cases, binning 1 was used, giving an isotropic voxel dimension of 63 nm in large field‐of‐view (FOV) mode (65 µm FOV). For the as‐spun pristine sample, the exposure time was 64 s and the number of projections 1001. For the denser, slightly larger sample, an increased number of projections (1601) was used to minimize reconstruction artefacts and an exposure time of 30 s gave a total scan time of 15 h.
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