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2026
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 BibTeX: Download
2024
Medvedev V. , Kopp SP. , Nahr F. , Roth S. :Efficient shielding gas supply for laser-based Powder Bed Fusion of metals (PBF-LB/M) In: Procedia CIRP 124 (2024 ), p. 186-189 ISSN: 2212-8271 DOI: 10.1016/j.procir.2024.08.096 BibTeX: Download
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 BibTeX: Download
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 BibTeX: Download
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 BibTeX: Download
2023
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 BibTeX: Download
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 BibTeX: Download
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 BibTeX: Download
Nahr F. , Rasch M. , Burkhardt C. , Renner J. , Baumgärtner B. , Hausotte T. , Körner C. , Steinmann P. , Mergheim J. , Schmidt M. , Markl M. :Geometrical Influence on Material Properties for Ti6Al4V Parts in Powder Bed Fusion In: Journal of Manufacturing and Materials Processing 7 (2023 ), p. 82 ISSN: 2504-4494 DOI: 10.3390/jmmp7030082 BibTeX: Download
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 BibTeX: Download