JOhannes henrich schleifenbaum

Professor and Director

Univ.-Prof. Dr.-Ing. Dipl.-Wirt.Ing. Johannes Henrich Schleifenbaum has been holding the Chair Digital Additive Production DAP since August 2016. After he was successfully awarded his doctorate in 2011, he gained experience in the applied science as well as the industry sector. Today, among others, he brings his complex competences and experiences into managing and guiding the DAP Chair.

University Training and Degree

2000 – 2007 Studies of Mechanical Engineering & Business Administration at RWTH Aachen University, Germany and École Centrale de Marseille ECM, Marseille, France

Advanced Academic Qualifications

2007 – 2011 PhD at the RWTH Aachen University Chair for Laser Technology (LLT) Prof. R. Poprawe, Doctoral Thesis Title “Individualized Production

Postgraduate Professional Career

2018 – today Managing Director of ACAM Aachen Center for Additive Manufacturing, Germany
2016 – today Full professor and director of the  RWTH Aachen University Chair Digital Additive Production DAP, Germany
2016 – today Member of the scientific advisory board of Jenoptik AG, Germany
2016 – 2020 Director Additive Manufacturing & Functional Layers,
Fraunhofer Institute for Laser Technology ILT, Germany
2013 – 2016 Guest lecturer at Kempten University, Germany
2011 – 2016 Head of Tool Shop Metals, Phoenix Feinbau GmbH & Co Kg (Phoenix Contact Group), Germany
2011 Group Manager R&D, Phoenix Feinbau GmbH & Co Kg (Phoenix Contact Group), Germany
2007 – 2011 Project Manager & Research Associate, Fraunhofer Institute for Laser Technology ILT, Germany
2006  Project Engineer, Air Liquide, Hamilton, Canada

Awards, International Recognition and Research Experience Abroad

2021 Host of Advanced Manufacturing Technology Conference, AMTC 4 in Aachen, Germany
2018 Coordinator “futureAM – Next Generation Additive Manufacturing”, budget 12 M€
2018 Conference Chair “Inside 3D printing”
2017 Guest editor “Metals”, an international, peer-reviewed, open access journal published online by MDPI
2017 Conference & Program Chair “Metal Powder-based Additive Manufacturing” Coventry UK
2012 Borchers-Plakette, proRWTH, Aachen, Germany
2011 Young Researcher Award
2009 Springorium-Denkmünze, proRWTH, Aachen, Germany


More than 100 scientific presentations and publications, 2 patents granted in the field of Additive Manufacturing (as of 2020). Find the latest publications here.


  1. Bär, F., Berger, L., Jauer, L., Kurtuldu, G., Schäublin, R., Schleifenbaum, J.H., Löffler, J.F., Laser additive manufacturing of biodegradable magnesium alloy WE43: A detailed microstructure analysis. ACTA MATERIALIA 98 36-49 (2019)
  2. Köhnen, P., Létang, M., Voshage, M., Schleifenbaum, J.H., Haase, C., Understanding the process-microstructure correlations for tailoring the mechanical properties of L-PBF produced austenitic advanced high strength steel. Additive Manufacturing 30 100914- (2019)
  3. Gayer, C., Ritter, J., Bullemer, M., Grom, S., Jauer, L., Meiners, W., Pfister, A., Reinauer, F., Vucak, M., Wissenbach, K, Fischer, H., Poprawe, R., Schleifenbaum, J.H., Development of a solvent-free polylactide/calcium carbonate composite for selective laser sintering of bone tissue engineering scaffolds. Materials Science and Engineering: C 101 660-673 (2019)
  4. Kies, F., Ikeda, Y., Ewald, S., Schleifenbaum, J.H., Hallstedt, B., Körmann, F., Haase, C., Combined Al and C alloying enables mechanism-oriented design of multi-principal element alloys: Ab initio calculations and experiments. Scripta Materialia 178 366-371 (2020)
  5. Tenbrock, C., Fischer, F., Wissenbach, K., Schleifenbaum, J.H., Wagenblast, P., Meiners, W., Wagner, J., Influence of keyhole and conduction mode melting for top-hat shaped beam profiles in laser powder bed fusion. JOURNAL OF MATERIALS PROCESSING TECHNOLOGY 278 116514- (2020)
  6. Zhang, D., Wang, W., Guo, Y., Hu, S., Dong, D.,Ziegler, S., Schleifenbaum, J. H., Numerical simulation in the absorption behavior of Ti6Al4V powder materials to laser energy during SLM. JOURNAL OF MATERIALS PROCESSING TECHNOLOGY 268 25-36 (2019)
  7. Gayer, C., Abert, J., Bullemer, M., Grom, S., Jauer, L., Meiners, W., Reinauer, F., Vucak, V.M., Wissenbach, K., Poprawe, R., Schleifenbaum, J.H., Fischer, H., Influence of the material properties of a poly(D,L-lactide)/ß-tricalcium phosphate composite on the processability by selective laser sintering. JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS 87 267-278 (2018)
  8. Ewald, S., Kies,F., Hermsen,S., Voshage, M., Haase, C., Schleifenbaum, J.H., Rapid Alloy Development of Extremely High-Alloyed Metals Using Powder Blends in Laser Powder Bed Fusion. Materials 12 1706- (2019)
  9. Voshage, M., Wen, P., Schaukellis, M., Schleifenbaum, J.H.: Formation Quality, Mechanical Properties, and Processing Behavior of Pure Zinc Parts Produced by Laser-Based Manufacturing for Biodegradable Implants. BERG- UND HÜTTENMÄNNISCHE MONATSHEFTE 164 (3), 133-140 (2019)
  10. Zielinski, J., Düchting, J., Meiners, W., Schleifenbaum, J.H.: Measurement of the Effective Absorption of Laser Radiation for Different States Relevant in the LB-PBF Process on the Example of Ti6AI4V4. Fraunhofer Direct Digital Manufacturing Conference, DDMC 2018, March 14-15, 2018, Berlin. Proceedings, Direct Digital Manufacturing Conference, S. 305-311, (2018).