| 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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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
Laser-based manufacturing of components using materials with high cracking susceptibility
Abstract
Art. 022305, 8 S. ; Laser metal deposition has been already introduced in various industrial branches, as aviation, energy, medical technology, or tooling. Depending on process conditions of the specific application, powder, wire, or even strips can be used as filler material to coat, and to refurbish as well as to manufacture parts and functional components. Independent from the chosen type of filler material, the deposition has to be in line with specific requirements such as the allowed appearance of porosity, delamination, dilution, or cracking. The latter often becomes rather challenging due to high thermal gradients caused by typical laser-related high energy densities. Relief can be found by hybrid processing as well as suited process regimes yielding in suitable tailored temperature states and crack-free material deposition. Within this paper, such tailored solutions for the manufacturing and processing of materials with a high hot and cold cracking susceptibility such as nickel-based superalloys and alloys based on titanium aluminides are presented. Critical impacts like heating and cooling based on the analysis of melt pool flow and the morphology of solidification are considered. The authors present possibilities to influence, control, and monitor the process. The mechanical properties of corresponding additive manufactured demonstrators will be validated on the basis of destructive and nondestructive testing. ; 28 ; Nr.2