Jonas Fell
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View article: Three-dimensional characterization of abrasive chips using micro-computed tomography
Three-dimensional characterization of abrasive chips using micro-computed tomography Open
Chip formation is considered one important indicator to evaluate machining processes. In particular, geometric features of chips may provide important insights for the assessment of machining stability and productivity. In fixed-abrasive m…
View article: Target Design in SEM-Based Nano-CT and Its Influence on X-ray Imaging
Target Design in SEM-Based Nano-CT and Its Influence on X-ray Imaging Open
Nano-computed tomography (nano-CT) based on scanning electron microscopy (SEM) is utilized for multimodal material characterization in one instrument. Since SEM-based CT uses geometrical magnification, X-ray targets can be adapted without …
View article: Three-dimensional imaging of microstructural evolution in SEM-based nano-CT
Three-dimensional imaging of microstructural evolution in SEM-based nano-CT Open
Scanning electron microscopy (SEM) is a powerful and versatile technique for materials characterization and present in many laboratories. The integration of an X-ray target holder and detector allows expanding the modalities of SEM by X-ra…
View article: Influence of a Pronounced Pre-Deformation on the Attachment of Melt Droplets and the Fatigue Behavior of Laser-Cut AISI 304
Influence of a Pronounced Pre-Deformation on the Attachment of Melt Droplets and the Fatigue Behavior of Laser-Cut AISI 304 Open
Laser cutting is a suitable manufacturing method for generating complex geometries for sheet metal components. However, their cyclic load capacity is reduced compared to, for example, milled components. This is due to the influence of the …
View article: Characterization of Filigree Additively Manufactured NiTi Structures Using Micro Tomography and Micromechanical Testing for Metamaterial Material Models
Characterization of Filigree Additively Manufactured NiTi Structures Using Micro Tomography and Micromechanical Testing for Metamaterial Material Models Open
This study focuses on the influence of additive manufacturing process strategies on the specimen geometry, porosity, microstructure and mechanical properties as well as their impacts on the design of metamaterials. Filigree additively manu…
View article: X-ray computed tomography dataset of a walnut
X-ray computed tomography dataset of a walnut Open
walnut_scan: scan performed with a conventional micro-CT 1601 acquired projections as tiff stack info file containing corresponding metadata walnut_rec: reconstructed volume as tiff stack info file containing corresponding metadata reconst…
View article: X-ray computed tomography dataset of a walnut
X-ray computed tomography dataset of a walnut Open
walnut_scan: scan performed with a conventional micro-CT 1601 acquired projections as tiff stack info file containing corresponding metadata walnut_rec: reconstructed volume as tiff stack info file containing corresponding metadata reconst…
View article: X-ray computed tomography dataset of a walnut: scan
X-ray computed tomography dataset of a walnut: scan Open
scan performed with a conventional micro-CT 1601 acquired projections as tiff stack info file containing corresponding metadata
View article: A FIB-SEM Based Correlative Methodology for X-Ray Nanotomography and Secondary Ion Mass Spectrometry: An Application Example in Lithium Batteries Research
A FIB-SEM Based Correlative Methodology for X-Ray Nanotomography and Secondary Ion Mass Spectrometry: An Application Example in Lithium Batteries Research Open
Correlative microscopy approaches are attracting considerable interest in several research fields such as materials and battery research. Recent developments regarding X-ray computer tomography have made this technique available in a compa…
View article: Characterization of Ancient Marquetry Using Different Non-Destructive Testing Techniques
Characterization of Ancient Marquetry Using Different Non-Destructive Testing Techniques Open
Non-destructive testing of objects and structures is a valuable tool, especially in cultural heritage where the preservation of the inspected sample is of vital importance. In this paper, a decorative marquetry sample is inspected with thr…
View article: Correlative Tomography – Combining x-ray nanotomography and FIB/SEM serial sectioning to analyze Al-Si cast alloys
Correlative Tomography – Combining x-ray nanotomography and FIB/SEM serial sectioning to analyze Al-Si cast alloys Open
Aluminium alloys with silicon as their major alloying element are widely used in die or sand casting of machine or vehicle parts. The microstructure of hypereutectic Al-Si alloys (>12% Si) consist of primary silicon particles and the Al-Si…
View article: Local Characterization of Precipitation and Correlation with the Prior Austenitic Microstructure in Nb-Ti-Microalloyed Steel by SEM and AFM Methods
Local Characterization of Precipitation and Correlation with the Prior Austenitic Microstructure in Nb-Ti-Microalloyed Steel by SEM and AFM Methods Open
Precipitation is one of the most important influences on microstructural evolution during thermomechanical processing (TMCP) of micro-alloyed steels. Due to precipitation, pinning of prior austenite grain (PAG) boundaries can occur. To und…