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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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Bjerke, Axel
Lund University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2024On the wear mechanisms of uncoated and coated carbide tools in milling titanium alloyscitations
- 2024On the wear mechanisms of uncoated and coated carbide tools in milling titanium alloyscitations
- 2024Machinability improvement by in-operando Tool Protection Layers through designed steel alloying : The case of manganese steelcitations
- 2023Predicting wear mechanisms of ultra-hard tooling in machining Ti6Al4V by diffusion couples and simulationcitations
- 2022Understanding wear and interaction between CVD α-Al2O3 coated tools, steel, and non-metallic inclusions in machiningcitations
- 2021Onset of the degradation of CVD α-Al2O3 coating during turning of Ca-treated steelscitations
- 2018Binder Migration in Double Pressed Drill Bit Inserts
Places of action
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article
Understanding wear and interaction between CVD α-Al2O3 coated tools, steel, and non-metallic inclusions in machining
Abstract
The aluminum oxide-coating on cemented carbide tools used for metal cutting have been regarded as inert during cutting of steels. Because diffusional dissolution is not possible. Chemical degradation of aluminum oxide coatings is often overlooked, especially in the presence of ambient oxygen and non-metallic inclusions. High-pressure diffusion couples, advanced microscopy, and thermodynamics are used to investigate and predict the chemical degradation of aluminum oxide-coated tools. During interactions with steel and different combinations of inclusions with and without ambient oxygen. The results show that alumina is resistant to chemical degradation by steel in the absence of oxygen. However, this is not the case when oxygen and non-metallic inclusions are present. These experiments and microscopy together with the thermodynamic calculations allow for the creation of a method and guidelines for chemical wear modeling and steel inclusion engineering when machining with aluminum oxide-coated tools.