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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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Seidel, André
Fraunhofer Institute for Machine Tools and Forming Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (25/25 displayed)
- 2021Integral Approach for Hybrid Manufacturing of Large Structural Titanium Space Components
- 2020Comprehensive study on the formation of grain boundary serrations in additively manufactured Haynes 230 alloycitations
- 2020Hybrid manufacturing of titanium Ti-6Al-4V combining laser metal deposition and cryogenic millingcitations
- 2020Investigation on the formation of grain boundary serrations in additively manufactured superalloy Haynes 230citations
- 2020Novel approach for suppressing of hot cracking via magneto-fluid dynamic modification of the laser-induced marangoni convectioncitations
- 2019Microstructural, mechanical, and thermo-physical characterization of hypereutectic AlSi40 fabricated by selective laser meltingcitations
- 2019Surface modification of additively manufactured gamma titanium aluminide hardwarecitations
- 2019Wavelength dependent laser material processing of ceramic materialscitations
- 2019Advanced manufacturing approach via the combination of selective laser melting and laser metal depositioncitations
- 2019Material characterization of AISI 316L flexure pivot bearings fabricated by additive manufacturingcitations
- 2019Phenomena in multi-material fabrication using laser metal depositioncitations
- 2018Evaluation of 3D-printed parts by means of high-performance computer tomographycitations
- 2018Hybrid additive manufacturing of gamma titanium aluminide space hardwarecitations
- 2018Additive manufacturing of powdery Ni-based superalloys Mar-M-247 and CM 247 LC in hybrid laser metal depositioncitations
- 2018Added value by hybrid additive manufacturing and advanced manufacturing approachescitations
- 2018Enhanced manufacturing possibilities using multi-materials in laser metal depositioncitations
- 2017Evaluation of 3D-printed parts by means of high-performance computer tomography
- 2017Process characteristics in high-precision laser metal deposition using wire and powdercitations
- 2017Added value by hybrid additive manufacturing and advanced manufacturing approaches
- 2017Enhanced manufacturing possibilities using multi-materials in laser metal deposition
- 2016Process characteristics in high-precision laser metal deposition using wire and powder
- 2016Laser-based manufacturing of components using materials with high cracking susceptibilitycitations
- 2015Laser-based manufacturing of components using materials with high cracking susceptibility
- 2015Additive manufacturing with high-performance materials and light-weight structures by laser metal deposition and laser infiltration
- 2009Materialverhalten von AR-Glas- und Carbonfilamentgarnen unter Dauerlast- sowie unter Hochtemperatureinwirkung
Places of action
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article
Enhanced manufacturing possibilities using multi-materials in laser metal deposition
Abstract
Art. 032308 ; Additive manufacturing (AM) addresses various benefits as the buildup of complex shaped parts, the possibility of functional integration, reduced lead times or the use of difficult machinable materials compared to conventional manufacturing possibilities. Beside these advantages, the use of more than one material in a component would strongly increase the field of applications in typical AM branches as energy, aerospace, or medical technology. By means of multi-material buildups, cost-intensive alloys could be only used in high-loaded areas of the part, whereas the remaining part could be fabricated with cheaper compositions. The selection of combined materials strongly depends on the requested thermophysical but also mechanical properties. Within this contribution, examples (e.g., used in the turbine business) show how alloys can be arranged to fit together, e.g., in terms of a well-chosen coefficient of thermal expansion. As can be seen in nature, the multi-material usage can be characterized by sharp intersections from one material to the other (e.g., in case of a thin corrosion protection), but also by graded structures enabling a smoother material transition (e.g., in case of dissimilar materials which are joined together without defects). The latter is shown for an example from aerospace within this paper. Another possibility is the simultaneous placement of several materials, e.g., hard carbide particles placed in a more ductile matrix composition. These particles can be varied in size (e.g., TiC versus WC). Also the ratio between carbides and matrix alloy can be adjusted depending on its application. Especially, nozzle-based free form fabrication technologies, e.g., laser metal deposition, enable the utilization of more than one material. Within this contribution, possibilities to feed more than one filler material are demonstrated. In addition, results of multi-material processes are shown. Finally, this work focuses on different (potential) applications, mainly on power generation, but ...