| 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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Emmelmann, Claus
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (30/30 displayed)
- 2024Influence of Different Powder Conditioning Strategies on Metal Binder Jetting with Ti-6Al-4Vcitations
- 2024Comparative analysis of laser power, pure titanium, and titanium alloy effects on dendrite growth and surface morphology of TiO2-ceramic
- 2023Removability of support structures in laser powder bed fusion of Ti-6Al-4V ; Entfernbarkeit von Stützstrukturen im pulverbettbasierten Laserstrahlschmelzen von Ti-6Al-4V
- 2023Predictive modeling of lattice structure design for 316L stainless steel using machine learning in the L-PBF process
- 2022Piston-Based Material Extrusion of Ti-6Al-4V Feedstock for Complementary Use in Metal Injection Moldingcitations
- 2022Disentangled UHMWPE@silica powders for potential use in power bed fusion based additive manufacturingcitations
- 2022Design Guidelines For Green Parts Manufactured With Stainless Steel In The Filament Based Material Extrusion Process For Metals (MEX/M)
- 2021Material modeling of Ti–6Al–4V alloy processed by laser powder bed fusion for application in macro-scale process simulation
- 2020Influence of laser beam profile on the selective laser melting process of AlSi10Mgcitations
- 2018Quality target-based control of geometrical accuracy and residual stresses in laser metal depositioncitations
- 2018Laser metal deposition of bionic aluminum supports: reduction of the energy input for additive manufacturing of a fuselage
- 2018From powder to solid: The material evolution of Ti-6Al-4V during laser metal depositioncitations
- 2018Laser metal deposition of titanium parts with increased productivity
- 2017Characterization of the anisotropic properties for laser metal deposited Ti-6Al-4 V
- 2017Analysis of design guidelines for automated order acceptance in additive manufacturingcitations
- 2017Process monitoring of laser remote cutting of carbon fiber reinforced plastics by means of reflecting laser radiationcitations
- 2017Laser metal deposition of Ti-6Al-4V structures: Analysis of the build height dependent microstructure and mechanical propertiescitations
- 2016Laser cutting of carbon fibre reinforced plastics of high thicknesscitations
- 2016Analysis of residual stress formation in additive manufacturing of Ti-6Al-4V
- 2016Evolutionary-based design and control of geometry aims for AMD-manufacturing of Ti-6Al-4V parts
- 2016Evolutionary-based design and control of geometry aims for AMD-manufacturing of Ti-6Al-4V parts ...
- 2016Additive manufacturing of metalscitations
- 2015Investigations on the process strategy of laser remote cutting of carbon fiber reinforced plastics with a thickness of more than 5 MM
- 2015Fatigue Performance of Laser Additive Manufactured Ti–6al–4V in Very High Cycle Fatigue Regime up to 1E9 Cycles
- 2015Fatigue Performance of Laser Additive Manufactured Ti–6al–4V in Very High Cycle Fatigue Regime up to 1E9 Cycles
- 2014Low coherence interferometry in selective laser melting
- 2013Experimental and analytical investigation of cemented tungsten carbide ultra-short pulse laser ablation
- 2011Process and mechanical properties: Applicability of a scandium modified Al-alloy for laser additive manufacturing
- 2011Development of plasma-laser-hybrid welding process
- 2011Analysis of laser ablation of CFRP by ultra-short laser pulses with short wavelength
Places of action
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article
Quality target-based control of geometrical accuracy and residual stresses in laser metal deposition
Abstract
Laser metal deposition (LMD) connected with milling processes offers the opportunity for an efficient, resource conserving manufacturing of large structural components made from Ti-6Al-4V. The hindrance for a broader use of this technology is highlighted in various published studies. These publications show anisotropic properties as well as a lack in tolerance definition of the part geometry regarding structures manufactured with LMD. In addition to the poor geometrical accuracy, the occurrence of residual stresses is still a common cause for failure of parts or even the entire build job, as their prediction and determination is complicated. In this paper, a quality aim-controlled process chain is introduced to manufacture complexly shaped three-dimensional parts in given tolerance bands. In order to control the quality aims, an in-depth analysis of the interdependencies of different exposure patterns, three-dimensional process strategies, and part shapes is conducted. A simulation-based approach is chosen to develop a strategy for further optimization of the exposure. The influence of the local geometry, e.g., in terms of heat accumulation, is taken into account for this approach. For validation, the crack compliance method has successfully been used in thorough experiments to determine the local distribution of residual stresses in multiple LMD specimens. The results show a significant variation of residual stresses, with varied process parameters, as expected by theory. It is shown that the intricate correlation between process parameters, part geometry, and resulting quality can be controlled with a developed process-relationship model in LMD manufacturing of Ti-6Al-4V parts. Finally, based on the summarized results, an outlook is given on tolerances for the two quality aims, geometrical accuracy and residual stresses. This gathered knowledge is used to demonstrate the developed process-relationship model to manufacture a 2.5D prototype application as well as a complex shaped 3D aerospace application.