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Institute of Photonic Technologies

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Rothfelder, Richard

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Rothfelder, Richard

Richard Rothfelder, M. Sc.

Institute of Photonic Technologies (LPT, Prof. Schmidt)

Room: Room 02.038
Konrad-Zuse-Straße 3/5
91052 Erlangen
  • Phone number: +49 9131 85-23368
  • Fax number: +49 9131 85-23234
  • Email: richard.rothfelder@lpt.uni-erlangen.de

 

Research focuses:
  • Beam shaping in laser-based powder bed fusion of metals
Positions and tasks:
  • Scientific assistant in the Sensing, Modeling & Real-time Systems group

 

Publications:

  • Kuşoğlu IM., Garg S., Abel A., Balachandran PV., Barcikowski S., Becker L., Bernsmann JS., Boseila J., Broeckmann C., Coskun M., Dreyer M., East M., Easton M., Ellendt N., Gann S., Gökce B., Goßling M., Greiner J., Gruber P., Grünewald M., Gurung K., Hantke N., Hengsbach F., Holländer H., Van Hooreweder B., Hoyer KP., Huang Y., Huber F., Kessler O., Kısasöz BÖ., Kleszczynski S., Koc E., Kurzynowski T., Kwade A., Leupold S., Liu D., Lomo F., Lüddecke A., Luinstra GA., Mauchline DA., Meyer F., Meyer L., Middendorf P., Nolte S., Olejarczyk M., Overmeyer L., Pich A., Platt S., Radtke F., Ramm R., Rittinghaus SK., Rothfelder R., Rudloff J., Schaper M., Scheck ML., Schleifenbaum JH., Schmidt M., Sehrt JT., Shabanga YP., Sommereyns A., Steuer R., Tisha LS., Toenjes A., Tuck C., Vaghar A., Vrancken B., Wang Z., Weber S., Wegner J., Xu BX., Yang Y., Zhang D., Zhuravlev E., Ziefuss AR.:
    Large-Scale Interlaboratory Study Along the Entire Process Chain of Laser Powder Bed Fusion: Bridging Variability, Standards, and Optimization across Metals and Polymers
    In: Advanced Engineering Materials (2025)
    ISSN: 1438-1656
    DOI: 10.1002/adem.202402930
    BibTeX: Download

  • Bayat M., Rothfelder R., Schwarzkopf K., Zinoviev A., Zinovieva O., Spurk C., Hummel M., Olowinsky A., Beckmann F., Moosmann J., Schmidt M., Hattel JH.:
    Exploring spatial beam shaping in laser powder bed fusion: High-fidelity simulation and in-situ monitoring
    In: Additive Manufacturing 93 (2024), Article No.: 104420
    ISSN: 2214-7810
    DOI: 10.1016/j.addma.2024.104420
    BibTeX: Download
  • Bayat M., Zinovieva O., Zinoviev A., Rothfelder R., Schwarzkopf K., Schmidt M., Hattel JH.:
    Understanding the thermo-fluid-microstructural impact of beam shaping in Laser Powder Bed Fusion using high-fidelity multiphysics simulation
    13th CIRP Conference on Photonic Technologies, LANE 2024 (Fürth, September 15, 2024 - September 19, 2024)
    In: Michael Schmidt, C.B. Arnold, K. Wudy (ed.): Procedia CIRP 2024
    DOI: 10.1016/j.procir.2024.08.133
    BibTeX: Download
  • Chechik L., Schwarzkopf K., Rothfelder R., Grünewald J., Schmidt M.:
    Material Dependent Influence of Ring/Spot Beam Profiles in Laser Powder Bed Fusion
    In: Additive Manufacturing Letters (2024), p. 100211
    ISSN: 2772-3690
    DOI: 10.1016/j.addlet.2024.100211
    BibTeX: Download

  • Baumgärtner B., Rothfelder R., Greiner S., Breuning C., Renner J., Schmidt M., Drummer D., Körner C., Markl M., Hausotte T.:
    Evaluation of Additively-Manufactured Internal Geometrical Features Using X-ray-Computed Tomography
    In: Journal of Manufacturing and Materials Processing (2023)
    ISSN: 2504-4494
    DOI: 10.3390/jmmp7030095
    BibTeX: Download
  • Baumgärtner B., Rothfelder R., Schmidt M., Hausotte T.:
    Detektion der Einflüsse von Konturparametern auf die Randschichtporosität in Ti-Al6-V4 in PBF-LB/M- Prozessen mittels Röntgen-Computertomographie
    Friedrich-Alexander-Universität Erlangen-Nürnberg Tag des Maschinenbaus (Lehrstuhl für Kunststofftechnik LKT Friedrich-Alexander-Universität Erlangen-Nürnberg, July 1, 2022 - July 1, 2023)
    DOI: 10.5281/zenodo.7766447
    BibTeX: Download
  • 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
    BibTeX: Download
  • Hafenecker J., Rothfelder R., Merklein M., Schmidt M.:
    Additive und umformtechnische Fertigung hybrider Bauteile mit lokal angepassten Eigenschaften
    Abschlusskolloquium des SFB 814 (Fürth, June 13, 2023 - June 13, 2023)
    DOI: 10.5281/zenodo.8081865
    URL: https://zenodo.org/record/8081865
    BibTeX: Download
  • Kopp SP., Medvedev V., Tangermann-Gerk K., Wöltinger N., Rothfelder R., Graßl F., Heinrich M., Januskaite P., Goyanes A., Basit AW., Roth S., Schmidt M.:
    Electrophotographic 3D printing of pharmaceutical films
    In: Additive Manufacturing (2023), Article No.: 103707
    ISSN: 2214-7810
    DOI: 10.1016/j.addma.2023.103707
    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
  • 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
  • Schwarzkopf K., Rothfelder R., Rasch M., Schmidt M.:
    Two-Color-Thermography for Temperature Determination in Laser Beam Welding of Low-Melting Materials
    In: Sensors 23 (2023), p. 4908
    ISSN: 1424-8220
    DOI: 10.3390/s23104908
    BibTeX: Download
  • Schwarzkopf K., Rothfelder R., Rasch M., Schmidt M.:
    Two-Color-Thermography for Temperature Determination in Laser Beam Welding of Low-Melting Materials
    In: Sensors 23 (2023), Article No.: 4908
    ISSN: 1424-8220
    DOI: 10.3390/s23104908
    BibTeX: Download
  • Setter R., Hafenecker J., Rothfelder R., Kopp SP., Roth S., Schmidt M., Merklein M., Wudy K.:
    Innovative Process Strategies in Powder-Based Multi-Material Additive Manufacturing
    In: Journal of Manufacturing and Materials Processing 7 (2023), p. 133
    ISSN: 2504-4494
    DOI: 10.3390/jmmp7040133
    BibTeX: Download

  • 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
    BibTeX: Download
  • Baumgärtner B., Rothfelder R., Schmidt M., Hausotte T.:
    Untersuchung der Einflüsse von Konturparametern auf die Bildung von Oberflächenporosität in Ti-Al6-V4-Bauteilen in PBF-LB/M-Prozessen mittels Röntgen-Computertomographie
    8. Industriekolloquium des Sonderforschungsbereichs 814 "Additive Fertigung" (Lehrstuhl für Kunststofftechnik LKT Friedrich-Alexander-Universität Erlangen-Nürnberg, May 10, 2022 - May 10, 2022)
    DOI: 10.5281/zenodo.7766051
    BibTeX: Download
  • Campbell J., Rothfelder R., Wittmann A., Schmidt M., Volodkin D., Vikulina A.:
    Biopolymer-based microgels as the carriers for surface functionalization
    16th European Symposium on Controlled Drug Delivery (Egmond aan Zee, April 12, 2022 - April 15, 2022)
    BibTeX: Download
  • Rothfelder R., Baumgärtner B., Hausotte T., Schmidt M.:
    Surface layer porosity and surface quality in dependency of contour scanning strategy of Ti6Al4V parts
    12th CIRP Conference on Photonic Technologies, LANE 2022 (Erlangen, September 4, 2022 - September 8, 2022)
    In: M. Schmidt, F. Vollertsen, B.M. Colosimo (ed.): Procedia CIRP 2022
    DOI: 10.1016/j.procir.2022.08.112
    BibTeX: Download
  • Rothfelder R., Huber F., Schmidt M.:
    Influence of beam shape on spatter formation during PBF-LB/M of Ti6Al4V and tungsten powder
    12th CIRP Conference on Photonic Technologies, LANE 2022 (Erlangen, DEU, September 4, 2022 - September 8, 2022)
    In: M. Schmidt, F. Vollertsen, B.M. Colosimo (ed.): Procedia CIRP 2022
    DOI: 10.1016/j.procir.2022.08.105
    BibTeX: Download

  • Hafenecker J., Kuball CM., Rothfelder R., Schmidt M., Merklein M.:
    Surface modification of additively manufactured parts by forming
    ESAFORM 2021 (Liège, April 14, 2021 - April 16, 2021)
    DOI: 10.25518/esaform21.2124
    BibTeX: Download
  • Hafenecker J., Rothfelder R., Schmidt M., Merklein M.:
    Stretch Forming of Ti-6Al-4V Hybrid Parts at Elevated Temperatures
    19th International Conference on Sheet Metal (Shemet 2021) (Erlangen, March 29, 2021 - March 31, 2021)
    In: Merklein, M.; Duflou, J.; Fratini, L.; Hagenah, H.; Martins, P.; Meschut, G.; Micari, F. (ed.): Sheet Metal 2021, Zürich: 2021
    DOI: 10.4028/www.scientific.net/KEM.883.135
    BibTeX: Download
  • Huber F., Papke T., Kauffmann C., Rothfelder R., Krakhmalev P., Merklein M., Schmidt M.:
    Systematic exploration of the L-PBF processing behavior and resulting properties of β-stabilized Ti-alloys prepared by in-situ alloy formation
    In: Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing 818 (2021), Article No.: 141374
    ISSN: 0921-5093
    DOI: 10.1016/j.msea.2021.141374
    BibTeX: Download
  • Rothfelder R., Lanzl L., Selzam JH., Drummer D., Schmidt M.:
    Vibrational Microfeeding of Polymer and Metal Powders for Locally Graded Properties in Powder-Based Additive Manufacturing
    In: Journal of Materials Engineering and Performance (2021)
    ISSN: 1059-9495
    DOI: 10.1007/s11665-021-06271-5
    BibTeX: Download

  • Scheitler CJ., Rothfelder R., Rasch M., Ahuja B., Schmidt M., Merklein C., Beer O.:
    Laser beam melting of M50NiL: Influence of inert gas flow on resulting part properties
    International Conference on Additive Technologies - icat 2016 (Nürnberg, November 29, 2016 - November 30, 2016)
    In: Igor Drstvenšek, Dietmar Drummer and Michael Schmidt. (ed.): 6th INTERNATIONAL CONFERENCE ON ADDITIVE TECHNOLOGIES - iCAT 2016 - PROCEEDINGS 2016
    BibTeX: Download
Institute of Photonic Technologies
Friedrich-Alexander-University Erlangen-Nürnberg

Konrad-Zuse-Straße 3/5
91052 Erlangen
Germany
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