| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Ek, Martin
Lund University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Tribology and airborne particle emissions from grey cast iron and WC reinforced laser cladded brake discscitations
- 2023Impact of electron beam irradiation on Carbon Black Oxidation
- 2023High-Temperature Oxidation of Titanium Aluminium Nitride Coatings Visualized by Environmental Transmission Electron Microscopy
- 2022Synthesis, characterization, and challenges faced during the preparation of zirconium pillared clayscitations
- 2021Characterisation of worn WC tool using STEM-EDS aided by principal component analysiscitations
- 2021Synthesis and characterization of Au@Zn core@shell aerosol nanoparticles generated by spark ablation and on-line PVD
- 2020Complex Aerosol Nanostructures: Revealing the Phases from Multivariate Analysis on Elemental Maps Obtained by TEM-EDX
- 2018Self-assembled InN quantum dots on side facets of GaN nanowirescitations
- 2014GaAs/AlGaAs heterostructure nanowires studied by cathodoluminescencecitations
- 2013Analysis of Structure, Composition and Growth of Semiconductor Nanowires by Transmission Electron Microscopy
- 2013Combining axial and radial nanowire heterostructures: Radial Esaki diodes and tunnel field-effect transistorscitations
- 2012Combinatorial Approaches to Understanding Polytypism in III-V Nanowires.citations
- 2011Formation of the axial heterojunction in GaSb/InAs(Sb) nanowires with high crystal qualitycitations
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article
Characterisation of worn WC tool using STEM-EDS aided by principal component analysis
Abstract
<p>Interdiffusion and chemical reactions contribute to tool wear in metal machining. Increased understanding of these processes, through characterisation of worn tools, can facilitate design of more resilient materials through chemical and diffusional passivation. However, the unknown reaction conditions, the large number of elements, and the formation of interspersed phases makes for a complex analysis. Here, we demonstrate the use of scanning transmission electron microscopy and energy dispersive X-ray spectroscopy for characterising the interaction layer between a titanium alloy and a cemented carbide tool. Principal component analysis is used to find chemical correlations and help separate signals from embedded phases. Crucially, we evaluate the required X-ray count statistics from simulated spectrum images and theory prior to the experiment. We find no indications of intermediate phases between the original WC and the metallic W interaction layer. Furthermore, we find enrichment of minor constituents in the titanium alloy closest to the tool which alter the solubility of out-diffusing species, suggesting strong interrelations between the diffusion processes.</p>