| 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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Treutler, Kai
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (31/31 displayed)
- 2024Welding Processing of Medium-Manganese Austenitic Steels for Cryogenic Applications ; Schweißtechnisches Verarbeiten mittelmanganhaltiger austenitischer Stähle für kryogene Anwendungen
- 2024Influence of nitrogen-doped shielding gas for welding of medium manganese austenites for cryogenic applicationscitations
- 2024Processing of crack-free Nickel- and Cobalt-based wear protection coatings and defined surfaces by subsequent milling processescitations
- 2024Alloy modification and ultrasonic-assisted milling of wear-resistant alloys with defined surfacescitations
- 2024Assessing ferrite content in duplex stainless weld metal: WRC ‘92 predictions vs. practical measurements
- 2024Assessing ferrite content in duplex stainless weld metal : WRC ‘92 predictions vs. practical measurements
- 2024In situ chemical analysis of duplex stainless steel weld by laser induced breakdown spectroscopycitations
- 2024Welding Processing of Medium-Manganese Austenitic Steels for Cryogenic Applications
- 2023Alloy modification for additive manufactured Ni alloy components—part I: effect on microstructure and hardness of Invar alloycitations
- 2023Alloy modification for additive manufactured Ni alloy components, part I: effect on microstructure and hardness of Invar alloycitations
- 2023Properties oriented WAAM—microstructural and geometrical control in WAAM of low-alloy steelcitations
- 2023Optimisation of surface residual stresses using ultrasonic‑assisted milling for wire‑arc additive manufactured Ni alloy componentscitations
- 2022Wire and Arc Additive Manufacturing of a CoCrFeMoNiV Complex Concentrated Alloy Using Metal-Cored Wire—Process, Properties, and Wear Resistancecitations
- 2022Modification of Co–Cr alloys to optimize additively welded microstructures and subsequent surface finishingcitations
- 2022Alloy modification for additive manufactured Ni alloy components Part II: Effect on subsequent machining propertiescitations
- 2022Wire and arc additive manufacturing of a CoCrFeMoNiV complex concentrated alloy using metal-cored wire: process, properties, and Wear Resistancecitations
- 2022Investigations on influencing the microstructure of additively manufactured Co-Cr alloys to improve subsequent machining conditionscitations
- 2022Micromagnetic properties of powder metallurgically produced Al composites as a fundamental study for additive manufacturingcitations
- 2022Beneficial use of hyperbaric process conditions on the welding of high-strength low alloy steelscitations
- 2022On the microstructure development under cyclic temperature conditions during WAAM of microalloyed steelscitations
- 2021Beneficial use of hyperbaric process conditions for welding of aluminium and copper alloyscitations
- 2021The current state of research of wire arc additive manufacturing (WAAM): a reviewcitations
- 2021Re-melting behaviour and wear resistance of vanadium carbide precipitating Cr27.5Co14Fe22Mo22Ni11.65V2.85 high entropy alloycitations
- 2021Development of surface coatings for high-strength low alloy steel filler wires and their effect on the weld metal microstructure and propertiescitations
- 2020Characterization of influences of steel-aluminum dissimilar joints with intermediate zinc layercitations
- 2020Soldering of steel sheets and zinc-coated aluminum by hybrid composite forgingcitations
- 2019Multi-Material Design in Welding Arc Additive Manufacturingcitations
- 2019Eigenspannungen und Gefügemorphologie additiv gefertigter Bauteile unter Einfluss unterschiedlicher Zwischenlagentemperaturen
- 2018Influence on the weld strength of high-strength fine-grained structural steels by thin-film-coated GMA welding electrodescitations
- 2018Characteristics of joining and hybrid composite forging of aluminum solid parts and galvanized steel sheetscitations
- 2016Influencing the arc and the mechanical properties of the weld metal in GMA-welding processes by additive elements on the wire electrode surfacecitations
Places of action
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article
Processing of crack-free Nickel- and Cobalt-based wear protection coatings and defined surfaces by subsequent milling processes
Abstract
In the area of plant engineering, steel components are provided with a wear protection coating for efficient use to protect them against corrosive, tribological, thermal and mechanical stresses. The use of innovative ultrasound-assisted milling processes and plasma-welded nickel- and cobalt-based wear protection coatings are being investigated to determine how more favourable machinability can be achieved while retaining the same wear protection potential. The focus is on the NiCrSiFeB alloy, which is intended to replace CoCr alloys in the area of screw machines. The utilization of ultrasonic-assisted milling for the machining of coating materials is a novel approach. The modification of hard facing layers in terms of microstructure and precipitation morphology as well as suitability for machining is investigated and compared with the CoCr alloy. The alloy modifications are generated by a PTA process by systematically adjusting the preheating and interpass temperatures, a crack-free wear-resistant layer can be generated, which is subsequently machined by a milling process. In addition to the crack-free properties, the microstructure, the bonding as well as the mixing between the NiCrSiFeB alloy and a 1.8550 as well as between the CoCr alloy and a 1.4828 are analysed and compared in the joining areas. In addition, heating and cooling rates are determined and a chemical analysis of the weld metals is performed. Furthermore, it was found that the build-up layers of NiCrSiFeB alloy are more difficult to machine using the milling process than the CoCr alloy, as higher milling forces are required.