- Rieschl A., Düfert L., Nahr F., Ellendt N., Stelling O., Neumeier S., Niendorf T., Schmidt M., Bartels D.:
Laser directed energy deposition of the refractory compositionally complex alloy TMT-8Cr–10Al: Processability, microstructural evolution and phase formation
In: Journal of Materials Research and Technology 40 (2026), p. 135-149
ISSN: 2238-7854
DOI: 10.1016/j.jmrt.2025.12.105
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- Bartels D., Lang D., Schrauder J.:
Laser welding with green and infrared lasers: Influence of the laser wavelength on process characteristics in laser welding of copper
(2025), p. 23-28
URL: https://www.wileyindustrynews.com/en/news/laser-welding-green-and-infrared-lasers
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(online publication)
- Bartels D., Nikas D., März R., Marschall M., Schrauder J., Merklein M., Selte A., Krakhmalev P.:
Directed energy deposition of chromium-molybdenum-vanadium cold work tool steel Vanadis 4 Extra©
In: Journal of Materials Research and Technology 38 (2025), p. 1573-1580
ISSN: 2238-7854
DOI: 10.1016/j.jmrt.2025.08.036
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- Bartels D., Reg Y., Borandegi M., Marschall M., Sommereyns A., Schmidt M.:
Stack and Structure: Ultrafast Lasers for Additive Manufacturing of Thin Polymer Films for Medical Applications
In: Journal of Manufacturing and Materials Processing 9 (2025), p. 125
ISSN: 2504-4494
DOI: 10.3390/jmmp9040125
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- Clare AT., Woizeschke P., Rankouhi B., Pfefferkorn FE., Bartels D., Schmidt M., Wits WW.:
Metal multi-material additive manufacturing: Overcoming barriers to implementation
In: CIRP Annals - Manufacturing Technology 74 (2025), p. 869-893
ISSN: 0007-8506
DOI: 10.1016/j.cirp.2025.05.004
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- Jaksch A., Cholewa S., Bartels D., Markl M., Drummer D.:
Introduction to Powder and Beam Based Additive Manufacturing
In: Progress in Powder Based Additive Manufacturing, Cham: Springer, 2025, p. 1-11 (Springer Tracts in Additive Manufacturing, Vol.Part F386)
ISBN: 9783031783494
DOI: 10.1007/978-3-031-78350-0_1
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- Maier A., Tangermann-Gerk K., Frankl S., Bartels D., Roth S., Schmidt M.:
Microstructure evolution of in-situ alloyed and heat-treated stainless steels processed by DED-LB/M
In: Materials Today Communications 46 (2025), Article No.: 112879
ISSN: 2352-4928
DOI: 10.1016/j.mtcomm.2025.112879
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- Merschroth H., Schmidt M., Schwarzkopf K., Utsch J., Zentgraf D., Bartels D.:
Melt pool analysis in DED–LB/M with freeform beam shaping based on high-speed imaging
In: Progress in Additive Manufacturing (2025)
ISSN: 2363-9512
DOI: 10.1007/s40964-025-01389-7
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- Stephan M., Zieroth H., Samland S., Bartels D., Merklein M., Schmidt M.:
Local adaptation of aluminum blanks through laser de-alloying and wire alloying
21st International Conference on Sheet Metals (Paderborn, 1. April 2025 - 3. April 2025)
In: SheMet2025 2025
DOI: 10.21741/9781644903551-45
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- Bartels D., Heise M., Schmidt M.:
Geometrical and Optical Properties of Optical Components Manufactured by Means of Stereolithography
In: Optics 5 (2024), p. 611-621
ISSN: 2673-3269
DOI: 10.3390/opt5040045
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- März R., Hetz P., Bartels D., Schmidt M., Merklein M.:
Characterization of an additively manufactured coating using an upsetting test with miniaturized cylindrical specimen
In: Proceedings of the Institution of Mechanical Engineers Part L-Journal of Materials-Design and Applications (2024)
ISSN: 1464-4207
DOI: 10.1177/14644207241277406
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- Nahr F., Bartels D., Schäfle M., Kirchner E., Schmidt M.:
Effect of laser defocusing on duplex stainless steels for higher scan speeds in Laser-Based Powder Bed Fusion (PBF-LB/M)
13th CIRP Conference on Photonic Technologies, LANE 2024 (Furth, DEU, 15. September 2024 - 19. September 2024)
In: Michael Schmidt, C.B. Arnold, K. Wudy (ed.): Procedia CIRP 2024
DOI: 10.1016/j.procir.2024.08.095
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- Nahr F., Li B., Bartels D., Zhou K., Bartolo PJDS., Schmidt M.:
Effect of NiO nanoparticles on duplex stainless steel processed via DED-LB and PBF-LB
In: CIRP Annals - Manufacturing Technology (2024)
ISSN: 0007-8506
DOI: 10.1016/j.cirp.2024.04.020
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- Nahr F., Novotny T., Kunz D., Kleinhans U., Chechik L., Bartels D., Schmidt M.:
Advanced Process Control in Laser-Based Powder Bed Fusion – Smart Fusion Feedback-loop Control as a Path to Uniform Properties for Complex Structures?
In: Journal of Materials Research and Technology (2024)
ISSN: 2238-7854
DOI: 10.1016/j.jmrt.2024.12.014
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- Bartels D., Albert ME., Nahr F., Schmidt M.:
On the Influence of Volumetric Energy Density and Inter-Layer Time on the Material Properties of Case-Hardening Steels
In: Alloys 2 (2023), p. 168-183
ISSN: 2674-063X
DOI: 10.3390/alloys2030013
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- Bartels D., Fallqvist M., Heise M., Vetter J., Schmidt M., Krakhmalev P.:
Development of a novel wear-resistant WC-reinforced coating based on the case-hardening steel Bainidur AM for the substitution of carburizing heat treatments
In: Journal of Materials Research and Technology 26 (2023), p. 186-198
ISSN: 2238-7854
DOI: 10.1016/j.jmrt.2023.07.200
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- Bartels D., Novotny T., Albert M., Mohr A., van Soest F., Hill H., Merklein C., Schmidt M.:
Effect of Volumetric Energy Density and Part Height on the Material Properties of Low-Alloyed Steels Manufactured by Laser-Based Powder Bed Fusion of Metals
In: Advanced Engineering Materials (2023)
ISSN: 1438-1656
DOI: 10.1002/adem.202300009
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- Bartels D., Novotny T., Schmidt M.:
Influence of Carbon Content on the Material Properties of Low-Alloyed Steel Bainidur AM
In: Additive Manufacturing in Multidisciplinary Cooperation and Production, Cham: Springer, 2023, p. 115-124 (Springer Tracts in Additive Manufacturing)
ISBN: 9783031376702
DOI: 10.1007/978-3-031-37671-9_10
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- Bartels D., von Lattre-Hertel A., Novotny T., Mohr A., Hill H., Merklein C., Schmidt M.:
Directed Energy Deposition of Low-Alloyed Steels: An Insight on Microstructural and Mechanical Properties
In: Steel Research International (2023), p. 2200925
ISSN: 1611-3683
DOI: 10.1002/srin.202200925
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- Hafenecker J., Bartels D., Kuball CM., Kreß M., Rothfelder R., Schmidt M., Merklein M.:
Hybrid process chains combining metal additive manufacturing and forming – A review
In: CIRP Journal of Manufacturing Science and Technology (2023), p. 98-115
ISSN: 1755-5817
DOI: 10.1016/j.cirpj.2023.08.002
URL: https://www.sciencedirect.com/science/article/pii/S1755581723001220
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- März R., Hafenecker J., Bartels D., Schmidt M., Merklein M.:
Numerical investigation on the deep drawing of sheet metals with an additively applied coating
The 26th International ESAFORM Conference on Material Forming (Kraków, 19. April 2023 - 21. April 2023)
In: Lukasz Madej, Mateusz Sitko, Konrad Perzynsk (ed.): Material Forming 2023
DOI: 10.21741/9781644902479-100
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- Nahr F., Bartels D., Rothfelder R., Schmidt M.:
Influence of Novel Beam Shapes on Laser-Based Processing of High-Strength Aluminium Alloys on the Basis of EN AW-5083 Single Weld Tracks
In: Journal of Manufacturing and Materials Processing 7 (2023), p. 93
ISSN: 2504-4494
DOI: 10.3390/jmmp7030093
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- Nahr F., Bartels D., Rothfelder R., Schmidt M.:
Influence of Novel Beam Shapes on Laser-Based Processing of High-Strength Aluminium Alloys on the Basis of EN AW-5083 Single Weld Tracks
In: Journal of Manufacturing and Materials Processing 7 (2023), p. 93
ISSN: 2504-4494
DOI: 10.3390/jmmp7030093
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- Papke T., Hafenecker J., Römisch D., März R., Hentschel O., Bartels D., Schmidt M., Merklein M.:
Alternating Additive Manufacturing and Forming - An Innovative Manufacturing Approach
In: Journal of Manufacturing and Materials Processing 7 (2023), p. 1-21
ISSN: 2504-4494
DOI: 10.3390/jmmp7030090
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- Risse JH., Trempa M., Huber F., Höppel HW., Bartels D., Schmidt M., Reimann C., Friedrich J.:
Microstructure and Mechanical Properties of Hypereutectic Al-High Si Alloys up to 70 wt.% Si-Content Produced from Pre-Alloyed and Blended Powder via Laser Powder Bed Fusion
In: Materials 16 (2023), p. 657
ISSN: 1996-1944
DOI: 10.3390/ma16020657
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- Rothfelder R., Nahr F., Bartels D., Chechik L., Schmidt M.:
A Brief History of the progress of Laser Powder Bed Fusion of Metals in Europe
In: Journal of Manufacturing Science and Engineering (2023), p. 1-47
ISSN: 1087-1357
DOI: 10.1115/1.4062788
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- Bartels D., Novotny T., Hentschel O., Huber F., Mys R., Merklein C., Schmidt M.:
In situ modification of case-hardening steel 16MnCr5 by C and WC addition by means of powder bed fusion with laser beam of metals (PBF-LB/M)
In: International Journal of Advanced Manufacturing Technology (2022)
ISSN: 0268-3768
DOI: 10.1007/s00170-022-08848-3
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- Bartels D., Novotny T., Mohr A., van Soest F., Hentschel O., Merklein C., Schmidt M.:
PBF-LB/M of Low-Alloyed Steels: Bainite-like Microstructures despite High Cooling Rates
In: Materials 15 (2022), p. 6171
ISSN: 1996-1944
DOI: 10.3390/ma15176171
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- Bartels D., Rohdenburg J., Mohr A., Rothfelder R., Schmidt M.:
Laser Metal Deposition of Carbide-reinforced low-alloyed steel Bainidur AM
In: Procedia CIRP 111 (2022), p. 237-240
ISSN: 2212-8271
DOI: 10.1016/j.procir.2022.08.057
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- Kreß M., Bartels D., Schmidt M., Merklein M.:
Material Characterization of Hybrid Components Manufactured by Laser-Based Directed Energy Deposition on Sheet Metal Substrates
The 25th International Conference on Material Forming (ESAFORM 2022) (Braga, 27. April 2022 - 29. April 2022)
DOI: 10.4028/p-3vlx01
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- Rasch M., Bartels D., Sun S., Schmidt M.:
AlSi10Mg in Powder Bed Fusion with Laser Beam: An Old and Boring Material?
In: Materials 15 (2022)
ISSN: 1996-1944
DOI: 10.3390/ma15165651
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- Bartels D., Hentschel O., Dauer J., Burgmayr W., Schmidt M.:
Processing of low-alloyed case-hardening steel Bainidur AM by means of DED-LB/M
Lasers in Manufacturing (LiM) 2021 (München, 21. Juni 2021 - 24. Juni 2021)
URL: https://wlt.de/sites/default/files/2021-10/directed_energy_deposition/Contribution_224_final.pdf
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- Huber F., Bartels D., Schmidt M.:
In Situ Alloy Formation of a WMoTaNbV Refractory Metal High Entropy Alloy by Laser Powder Bed Fusion (PBF-LB/M)
In: Materials 14 (2021), p. 3095
ISSN: 1996-1944
DOI: 10.3390/ma14113095
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- Papke T., Bartels D., Hofmann H., Mys R., Schmidt M., Merklein M.:
Additive Fertigung eines hybriden Planetenträgers
In: Zeitschrift für wirtschaftlichen Fabrikbetrieb 116 (2021), p. 478-482
ISSN: 0932-0482
DOI: 10.1515/zwf-2021-0124
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- Bartels D., Klaffki J., Pitz I., Merklein C., Kostrewa F., Schmidt M.:
Investigation on the case-hardening behavior of additively manufactured 16MnCr5
In: Metals 10 (2020), Article No.: 536
ISSN: 2075-4701
DOI: 10.3390/met10040536
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- Papke T., Bartels D., Schmidt M., Merklein M., Gerhard D., Baumann J., Pitz I.:
Additive Fertigung für industrielle Anwendungen - Entwicklung einer Auswahlsystematik für Bauteile zur Generierung funktionalen Mehrwerts mittels additiver Fertigung
In: Industrie 4.0 Management : Gegenwart und Zukunft industrieller Geschäftsprozesse 2020 (2020), p. 50-54
ISSN: 1434-1980
DOI: 10.30844/I40M_20-4_S50-54
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- Rasch M., Heberle J., Dechet M., Bartels D., Gotterbarm M., Klein L., Gorunov A., Schmidt J., Körner C., Peukert W., Schmidt M.:
Grain Structure Evolution of Al–Cu Alloys in Powder Bed Fusion with Laser Beam for Excellent Mechanical Properties
In: Materials 13 (2019)
ISSN: 1996-1944
DOI: 10.3390/ma13010082
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