Aufgabenbereiche
| seit 05/2022 |
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10/2010– 04/2022 |
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Veröffentlichungen
2022
L. Hagen, M. Paulus, W. Tillmann, Microstructural and Tribo-mechanical Properties of Arc-Sprayed CoCr-Based Coatings, J Therm Spray Tech (2022). doi: 10.1007/s11666-022-01440-x
W. Tillmann, D. Stangier, A. Meijer, E. Krebs, A. Ott, T. Platt, N.F. Lopes Dias, L. Hagen, D. Biermann, Adapting the Surface Integrity of High-Speed Steel Tools for Sheet-Bulk Metal Forming, JMMP 6 (2022) 37.
W. Tillmann, L. Hagen, I. Baumann, M. Paulus, WC Decomposition Phenomena in ID-HVOF-Sprayed WC-CoCr Coatings Using Fine Powder Feedstock, Coatings 12 (2022) 124.
2021
W. Tillmann, L. Hagen, I. Baumann, C. Schaak, Process Technology Boundary Conditions with Regard to the Coating of Internal Surfaces on Rotationally Symmetrical Components by Means of HVOF/HVAF Spraying, Thermal Spray Bulletin 14 (2021) 102–110.
W. Tillmann, L. Hagen, D. Stangier, N.F. Lopes Dias, J. Görtz, M.D. Kensy, Lapping and Polishing of Additively Manufactured 316L Substrates and their Effects on the Microstructural Evolution and Adhesion of PVD CrAlN Coatings, Surface and Coatings Technology 428 (2021) 127905.
K.-U. Garthe, K.-P. Hoyer, L. Hagen, W. Tillmann, M. Schaper, Correlation between Pre- and Post-Treatments of Additively Manufactured 316L Parts and the Resulting Low Cycle Fatigue Behavior, RPJ (2021).
I. Baumann, W. Tillmann, C. Schaak, K. Schmidt, L. Hagen, J. Zajaczkowski, G. Schmidtmann, G. Matthäus, W. Luo, Internal Diameter Coating by Warm Spraying of Fine WC-12Co Powders (− 10 +2 µm) with Very Short Spray Distances up to 10 mm, J Therm Spray Tech 30 (2021) 1344–1364.
I. Baumann, L. Hagen, W. Tillmann, P. Hollingsworth, D. Stangier, G. Schmidtmann, M. Tolan, M. Paulus, C. Sternemann, Process Characteristics, Particle Behavior and Coating Properties During HVOF Spraying of Conventional, Fine and Nanostructured WC-12Co Powders, Surface and Coatings Technology 405 (2021) 126716.
W. Tillmann, M. Abdulgader, L. Hagen, D. Biermann, A. Timmermann, A. Wirtz, F. Walther, M. Milz, Mechanical and Microstructural Properties of Post-Treated ZnAl4 Sprayed Coatings Using Twin Wire Arc Spraying, in: ITSC 2021 - Proceedings of the International Thermal Spray Conference, 2021, pp. 750–757.
A. Timmermann, A. Wirtz, D. Biermann, M. Abdulgader, L. Hagen, W. Tillmann, M. Milz, F. Walther, Characterisation of Arc-sprayed Corrosion Protection Coatings Post-Treated by Means of “Machine Hammer Peening”, Thermal Spray Bulletin 14 (2021) 46–52.
S. Zimmermann, J. Schein, W. Tillmann, L. Hagen, H.-G. Rademacher, Validation of the Velocity/Temperature/Particle Measurements in Processes Based on Plasma, Wire Arc and HVOF Spraying - Status Report, Thermal Spray Bulletin 14 (2021) 96–101.
2020
W. Tillmann, L. Hagen, K.-U. Garthe, K.-P. Hoyer, M. Schaper, Effect of Substrate Pre‐treatment on the Low Cycle Fatigue Performance of Tungsten Carbide‐Cobalt Coated Additive Manufactured 316 L Substrates, Materialwiss. Werkstofftech. 51 (2020) 1452–1464.
W. Tillmann, L. Hagen, M.D. Kensy, M. Abdulgader, M. Paulus, Microstructural and Tribological Characteristics of Sn-Sb-Cu-Based Composite Coatings Deposited by Cold Spraying, J Therm Spray Tech 29 (2020) 1027–1039.
W. Tillmann, L. Hagen, C. Schaak, J. Liß, M. Schaper, K.-P. Hoyer, M.E. Aydinöz, K.-U. Garthe, Adhesion of HVOF-Sprayed WC-Co Coatings on 316L Substrates Processed by SLM, J Therm Spray Tech 29 (2020) 1396–1409.
W. Tillmann, M. Abdulgader, L. Hagen, S. Hüning, Embedding Behavior of Ceramic Particles in Babbitt Coatings and Its Effect on the Tribological Properties of Low-Pressure Cold Sprayed Coatings, Coatings 10 (2020) 769.
W. Tillmann, L. Hagen, M. Abdulgader, M.D. Kensy, M. Paulus, Microstructural Characteristics in Babbitt Coatings Deposited by LPCS, Coatings 10 (2020) 689.
W. Tillmann, L. Hagen, C. Schaak, A. Geldmacher, Investigation of the Substrate Heating During Lining by Means of HVOF Spraying and Warm Spraying, Thermal Spray Bulletin 13 (2020) 20–27.
W. Tillmann, N.F. Lopes Dias, D. Stangier, L. Hagen, M. Schaper, F. Hengsbach, K.-P. Hoyer, Tribo-mechanical Properties and Adhesion Behavior of DLC Coatings Sputtered onto 36NiCrMo16 Produced by Selective Laser Melting, Surface and Coatings Technology 394 (2020) 125748.
W. Tillmann, D. Stangier, L. Hagen, D. Biermann, D. Freiburg, A. Meijer, Tribological Investigation of Surface Structures Processed by High-feed Milling on HVOF Sprayed WC-12Co Coatings, Surface and Coatings Technology 395 (2020) 125945.
S. Zimmermann, R.S. Forster, J. Schein, W. Tillmann, C. Schaak, L. Hagen, H.-G. Rademacher, Possibilities for the Validation of Particle Velocity Measurements Using the Example of HVOF Spraying Processes, Thermal Spray Bulletin 13 (2020) 38–43.
W. Tillmann, D. Kokalj, D. Stangier, L. Hagen, L. Kesper, U. Berges, C. Westphal, C. Sternemann, M. Paulus, Structural Analysis of TiN Nanoparticle Reinforced CrN Thin Films, in: 16th DELTA User Meeting & Annual Report 2020, Dortmund, Germany, 2020, pp. 29–32.
W. Tillmann, L. Hagen, C. Schaak, I. Baumann, B. Krekler, K. Schmidt, WC-Co-Cr Beschichtungen von rotationssymmetrischen Innenflächen mittels HVOF, in: DVS Congress 2020, Düsseldorf, Germany, 2020, pp. 761–772.
W. Tillmann, D. Stangier, D. Kokalj, L. Hagen, P. Roese, K. Shamout, M. Schmitz, L. Kesper, A. Burkowitz, U. Berges, C. Westphal, Influence of Sputtered Carbon on the Development of Amorphous Phases in CrAlCN DC/HiPIMS PVD Coatings, in: 16th DELTA User Meeting & Annual Report 2020, Dortmund, Germany, 2020, pp. 35–38.
A. Timmermann, M. Abdulgader, L. Hagen, A. Koch, P. Wittke, D. Biermann, W. Tillmann, F. Walther, Effect of Machine Hammer Peening on the Surface Integrity of a ZnAl-Based Corrosion Protective Coating, MATEC Web Conf. 318 (2020) 1008.
W. Tillmann, M. Paulus, L. Hagen, D. Kokalj, D. Stangier, M. Abdulgader, X-ray Diffraction Study on Cold Sprayed Babbitt coatings, in: 16th DELTA User Meeting & Annual Report 2020, Dortmund, Germany, 2020, pp. 55–57.
W. Tillmann, D. Stangier, D. Grisales, D. Kokalj, L. Hagen, J. Latarius, C. Sternemann, M. Paulus, Influence of the Deposition Technology on the Crystalline Structure of TiAlN PVD Coatings, in: 16th DELTA User Meeting & Annual Report 2020, Dortmund, Germany, 2020, pp. 51–54.
W. Tillmann, L. Hagen, D. Stangier, D. Kokalj, N.F. Lopes Dias, M.D. Kensy, Structural Analysis of LBM 316L Substrate PVD CrAlN Coating Composites, in: 16th DELTA User Meeting & Annual Report 2020, Dortmund, Germany, 2020, pp. 59–62.
2019
W. Tillmann, L. Hagen, D. Stangier, M. Krabiell, P. Schröder, J. Tiller, C. Krumm, C. Sternemann, M. Paulus, M. Elbers, Influence of Etching-Pretreatment on Nano-grained WC-Co Surfaces and Properties of PVD/HVOF Duplex Coatings, Surface and Coatings Technology 374 (2019) 32–43.
W. Tillmann, L. Hagen, D. Stangier, M. Paulus, M. Tolan, R. Sakrowski, D. Biermann, D. Freiburg, Microstructural Characteristics of High-feed Milled HVOF Sprayed WC-Co Coatings, Surface and Coatings Technology 374 (2019) 448–459.
W. Tillmann, L. Hagen, C. Schaak, R. Zielke, M. Schaper, M.E. Aydinöz, Pretreatment and Coatability of Additive Manufactured Components Made by Means of Selective Laser Melting, Thermal Spray Bulletin 12 (2019) 38–45.
W. Tillmann, L. Hagen, D. Kokalj, M. Paulus, M. Tolan, Temperature-Induced Formation of Lubricous Oxides in Vanadium Containing Iron-Based Arc Sprayed Coatings, Coatings 9 (2019) 18.
W. Tillmann, C. Schaak, L. Hagen, G. Mauer, G. Matthäus, Internal Diameter Coating Processes for Bond Coat (HVOF) and Thermal Barrier Coating (APS) Systems, J Therm Spray Tech 28 (2019) 233–241.
W. Tillmann, L. Hagen, C. Schaak, R. Zielke, M. Schaper, M.E. Aydinöz, Pretreatment and Coatability of Additive Manufactured Components Made by Means of Selective Laser Melting, Welding and Cutting 3 (2019) 208–214.
W. Tillmann, L. Hagen, C. Schaak, J. Liß, M. Schaper, K.-P. Hoyer, M.E. Aydinöz, K.-U. Garthe, Adhesion of HVOF Sprayed WC-Co Coatings on Additively Processed 316L, in: ITSC 2019 - Proceedings of the International Thermal Spray Conference, Yokohama, Japan, 2019, pp. 306–313.
W. Tillmann, L. Hagen, M. Abdulgader, D. Kokalj, D. Stangier, M. Paulus, M. Tolan, Studying the Feasibility of Depositing Alumina Reinforced Sn-Sb-Cu Based Composite Coatings by Means of Low Pressure Cold Spraying, in: 15th DELTA User Meeting & Annual Report 2019, Dortmund, Germany, 2019, pp. 43–45.
W. Tillmann, C. Schaak, L. Hagen, M. Dildrop, Investigation of HVOF-ID Spraying with WC-CoCr -15+5 μm Feedstock Powder, IOP Conf. Ser.: Mater. Sci. Eng. 480 (2019) 12008.
W. Tillmann, L. Hagen, Microstructural Characteristics of Arc Sprayed CoCr-Based Coatings, in: ITSC 2019 - Proceedings of the International Thermal Spray Conference, Yokohama, Japan, 2019, pp. 298–305.
K.-U. Garthe, K.-P. Hoyer, L. Hagen, W. Tillmann, M. Schaper, Einfluss von Eigenspannungen und Oberflächenrauheit Additiv Gefertigter Komponenten aus 316L auf die Beschichtbarkeit und Ermüdungsfestigkeit, in: Bericht 404, Additiv gefertigte Bauteile und Strukturen, Berlin, Germany, 2019, pp. 91–98.
E. Schneider, M. Paulus, T. Witt, J. Bolle, L. Hagen, M. Kowalski, W. Tillmann, M. Tolan, The New Wide and Small Angle Scattering Setup at Beamline BL2 of DELTA, in: 15th DELTA User Meeting & Annual Report 2019, Dortmund, Germany, 2019, pp. 21–22.
2018
W. Tillmann, L. Hagen, W. Luo, A.B. Chehreh, Microstructural Characteristics and Residual Stresses in Arc-Sprayed Cermet Coatings Using Different Carbide Grain Size Fractions, J Therm Spray Tech 27 (2018) 1103–1122.
W. Tillmann, L. Hagen, C. Schaak, R. Zielke, M. Schaper, M.E. Aydinöz, Pretreatment and Coatability of Additive Manufactured Components Made by Means of Selective Laser Melting, in: ITSC 2018 - Proceedings of the International Thermal Spray Conference, Orlando, Florida, 2018, pp. 581–588.
W. Tillmann, C. Schaak, L. Hagen, G. Mauer, G. Matthäus, Internal Diameter Coating Processes for Bond Coat (HVOF) and Thermal Barrier Coating (APS) Systems, in: ITSC 2018 - Proceedings of the International Thermal Spray Conference, Orlando, Florida, 2018, pp. 443–450.
W. Tillmann, H.G. Rademacher, L. Hagen, M. Abdulgader, M. El Barad’ei, Spray Pattern Analysis in TWAS Using Photogrammetry and Digital Image Correlation, IOP Conf. Ser.: Mater. Sci. Eng. 373 (2018) 12014.
W. Tillmann, D. Kokalj, D. Stangier, L. Hagen, Tribological Characteristics of Newly Developed PVD and Thermal Spray Hard Coatings at Elevated Temperatures, in: 14th DELTA User Meeting & Annual Report 2018, Dortmund, Germany, 2018, pp. 109–111.
2017
W. Tillmann, L. Hagen, P. Schröder, Investigation on the Tribological Behavior of Arc-Sprayed and Hammer-Peened Coatings Using Tungsten Carbide Cored Wires, J Therm Spray Tech 26 (2017) 229–242.
W. Tillmann, L. Hagen, P. Schröder, Tribological Characteristics of Tungsten Carbide Reinforced Arc Sprayed Coatings Using Different Carbide Grain Size Fractions, Tribol. Ind. 39 (2017) 168–182.
W. Tillmann, L. Hagen, D. Kokalj, M. Paulus, M. Tolan, A Study on the Tribological Behavior of Vanadium-Doped Arc Sprayed Coatings, J Therm Spray Tech 26 (2017) 503–516.
W. Tillmann, L. Hagen, D. Kokalj, Spray Characteristics and Tribo-Mechanical Properties of High-Velocity Arc-Sprayed WC-W2C Iron-Based Coatings, J Therm Spray Tech 26 (2017) 1685–1700.
W. Tillmann, L. Hagen, D. Kokalj, Embedment of Eutectic Tungsten Carbides in Arc Sprayed Steel Coatings, Surface and Coatings Technology 331 (2017) 153–162.
W. Tillmann, L. Hagen, W. Luo, Process Parameter Settings and Their Effect on Residual Stresses in WC/W2C Reinforced Iron-Based Arc Sprayed Coatings, Coatings 7 (2017) 125.
W. Tillmann, D. Stangier, L. Hagen, P. Schröder, M. Krabiell, Influence of the WC Grain Size on the Properties of PVD/HVOF Duplex Coatings, Surface and Coatings Technology 328 (2017) 326–334.
W. Tillmann, L. Hagen, D. Duda, A Study on the Tribological Behavior of Arc Sprayed Vanadium Doped Stellite Coatings, in: ITSC 2017 - Proceedings of the International Thermal Spray Conference, Düsseldorf, Germany, 2017, pp. 354–359.
W. Tillmann, D. Kokalj, D. Stangier, L. Hagen, C. Sternemann, M. Paulus, M. Tolan, An Examination on the Temperature Dependency of Vanadium Doped Low Friction Wear Resistant PVD Coatings, in: 13th DELTA User Meeting & Annual Report 2017, Dortmund, Germany, 2017, pp. 95–100.
2016
S. Rausch, P. Wiederkehr, D. Biermann, A. Zabel, U. Selvadurai, L. Hagen, W. Tillmann, Influence of Machine Hammer Peening on the Tribological Behavior and the Residual Stresses of Wear Resistant Thermally Sprayed Coatings, Procedia CIRP 45 (2016) 275–278.
W. Tillmann, L. Hagen, F. Hoffmann, M. Dildrop, A. Wibbeke, V. Schöppner, V. Resonnek, M. Pohl, C. Krumm, J.C. Tiller, M. Paulus, C. Sternemann, The Detachment Behavior of Polycarbonate on Thin Films Above the Glass Transition Temperature, Polym Eng Sci 56 (2016) 786–797.
W. Tillmann, L. Hagen, J. Nellesen, D. Kokalj, Production of Finely Structured Coating Systems with the Aid of Ultrasonic Excitation During Arc Wire Spraying, Thermal Spray Bulletin 9 (2016) 24–32.
W. Tillmann, L. Hagen, D. Kokalj, M. Paulus, M. Tolan, Influence of Temperature-Induced Oxide Formation on the Tribological Behavior of Fe-V Arc Sprayed Coatings, in: SMT30 – Proceedings of the 30th International Conference on Surface Modification Technologies, Milan, Italy, 2016.
W. Tillmann, L. Hagen, Wear Behavior of Post-Treated Arc Sprayed Cermet Coatings by Means of Hammer Peening, in: ITSC 2016 - Proceedings of the International Thermal Spray Conference, Shanghai, P.R. China, 2016, pp. 484–489.
W. Tillmann, L. Hagen, P. Schröder, Tribological Behavior of Arc Sprayed and Compressed Coatings with Different Carbide Grain Size Fraction, in: ITSC 2016 - Proceedings of the International Thermal Spray Conference, Shanghai, P.R. China, 2016, pp. 1019–1024.
W. Tillmann, L. Hagen, D. Kokalj, M. Paulus, M. Tolan, Analysis of Temperature-Induced Formation of Lubricous Oxides in Vanadium-Doped Iron Based Arc Sprayed Coatings, in: 12th DELTA User Meeting & Annual Report 2016, Dortmund, Germany, 2016, pp. 87–90.
W. Tillmann, L. Hagen, D. Kokalj, D. Stangier, M. Paulus, M. Tolan, Temperature-Induced Formation of Lubricous Oxides in Vanadium-doped Arc Sprayed Coatings, in: 12th DELTA User Meeting & Annual Report 2016, Dortmund, Germany, 2016, pp. 55–58.
2015
W. Tillmann, L. Hagen, D. Stangier, I.-A. Laemmerhirt, D. Biermann, P. Kersting, E. Krebs, Wear Behavior of Bio-Inspired and Technologically Structured HVOF Sprayed NiCrBSiFe Coatings, Surface and Coatings Technology 280 (2015) 16–26.
W. Tillmann, D. Stangier, L. Hagen, D. Biermann, P. Kersting, E. Krebs, Tribologische Untersuchung bionischer und mikrostrukturierter Funktionsflächen, Mat.-wiss. u. Werkstofftech 46 (2015) 1096–1104.
W. Tillmann, M. Abdulgader, N. Anjami, L. Hagen, Studying the Effect of the Air-Cap Configuration in Twin-Wire Arc-Spraying Process on the Obtained Flow Characteristics Using Design of Experiment Oriented Fluid Simulation, J Therm Spray Tech 24 (2015) 46–54.
T. Wiederkehr, H. Müller, D. Hegels, W. Tillmann, L. Hagen, Fast Coating Deposition Simulation for Path Planning and Iterative Net-Shape Optimization on Complex Workpieces, in: ITSC 2015 - Proceedings of the International Thermal Spray Conference, Long Beach, California, 2015, pp. 390–397.
W. Tillmann, L. Hagen, F. Hoffmann, M. Dildrop, A. Wibbeke, V. Schöppner, M. Pohl, C. Krumm, J.C. Tiller, M. Paulus, C. Sternemann, The Detachment Behavior of Polycarbonate on Thin Films above the Glass Transition Temperature, in: 11th DELTA User Meeting & Annual Report 2015, Dortmund, Germany, 2015, pp. 59–61.
W. Tillmann, L. Hagen, D. Stangier, Investigation of Phase Formation in HVOF Sprayed and Remelted NiCrBSiFe Coatings, in: 11th DELTA User Meeting & Annual Report 2015, Dortmund, Germany, 2015, pp. 56–58.
2014
W. Tillmann, M. Abdulgader, L. Hagen, J. Nellesen, Metal Matrix Composites Deposition in Twin Wire Arc Spraying Utilizing an External Powder Injection Composition, J Therm Spray Tech 23 (2014) 40–50.
W. Tillmann, M. Abdulgader, H.G. Rademacher, N. Anjami, L. Hagen, Adapting of the Background-Oriented Schlieren (BOS) Technique in the Characterization of the Flow Regimes in Thermal Spraying Processes, J Therm Spray Tech 23 (2014) 21–30.
W. Tillmann, I. Baumann, P.S. Hollingsworth, L. Hagen, Sliding and Rolling Wear Behavior of HVOF-Sprayed Coatings Derived from Conventional, Fine and Nanostructured WC-12Co Powders, J Therm Spray Tech 23 (2014) 262–280.
W. Tillmann, L. Hagen, P. Hollingsworth, Konturnahe Bauteilbeschichtung unter Einsatz des Thermischen Spritzens, Robotergestützte Fertigung mithilfe optimierter Bahnplanungsstrategie, in: Werkstoffe und Werkstofftechnische Anwendungen, Band 52: Tagungsband zum 17. Werkstofftechnischen Kolloquium, Chemnitz, Germany, 2014, pp. 82–91.
W. Tillmann, L. Hagen, M. Abdulgader, H.-G. Rademacher, A. Schmidt, H. Müller, T. Wiederkehr, Investigations of Technological Developments in Nozzle Design for Twin Wire Arc Spraying by Means of Spray Plume Characteristics, in: ITSC 2014 - Proceedings of the International Thermal Spray Conference, Barcelona, Spain, 2014, pp. 455–460.
W. Tillmann, H.-G. Rademacher, R. Zielke, M. Abdulgader, L. Hagen, B. Rüther, 3D Thickness Measurement of Layer Build-up During Twin Wire Arc-Spraying Process, in: ITSC 2014 - Proceedings of the International Thermal Spray Conference, Barcelona, Spain, 2014, pp. 641–647.
W. Tillmann, M. Abdulgader, N. Anjami, L. Hagen, Design of Experiment Oriented Fluid Simulation for the Virtual Improvement of the Air-Cap Configuration in Twin-Wire Arc-Spraying (TWAS) Process, in: ITSC 2014 - Proceedings of the International Thermal Spray Conference, Barcelona, Spain, 2014, pp. 208–214.
2013
W. Tillmann, M. Abdulgader, N. Anjami, L. Hagen, H.-G. Rademacher, Characterization of the Flow Regimes in the Jet Spray for Different Twin-Wire Arc Spraying Nozzles by Adapting the Background Oriented Schlieren Technique, in: ITSC 2013 - Proceedings of the International Thermal Spray Conference, Busan, Republic of Korea, 2013, pp. 437–442.
W. Tillmann, M. Abdulgader, L. Hagen, External Powder Injection in Twin Wire Arc Spraying to Control the Coating Composition, in: ITSC 2013 - Proceedings of the International Thermal Spray Conference, Busan, Republic of Korea, 2013, pp. 532–537.
W. Tillmann, I. Baumann, P. Hollingsworth, L. Hagen, Sliding Wear Behavior and Wear Effects of HVOF Sprayed Coatings Derived from Conventional, Fine and Nanostructured WC-12Co Powders, in: ITSC 2013 - Proceedings of the International Thermal Spray Conference, Busan, Republic of Korea, 2013, pp. 357–364.
W. Tillmann, M. Abdulgader, L. Hagen, A Novel Modification for Twin Wire Arc Spraying to Improve the Variety of Application, in: ITSC 2013 - Proceedings of the International Thermal Spray Conference, Busan, Republic of Korea, 2013, pp. 41–46.
W. Tillmann, M. Dildrop, L. Hagen, F. Hoffmann, N. Sievers, A. Eilers, In-Process Fabrication and Application of Horizontally and Vertically Graded Microstructures of Tool Coatings under Application of Deposition Methods, in: H.-P. Heim, D. Biermann, W. Homberg (Eds.), Functionally Graded Materials in Industrial Mass Production: Volume 2, Verlag Wissenschaftliche Scripten, 2013, pp. 75–95.
W. Tillmann, L. Hagen, M. Abdulgader, Technological Developments in Nozzle Design for Twin Wire Arc Spraying to Improve the Variety of Application, in: Sonderforschungsbereich 708 3D-Surface Engineering für Werkzeugsysteme der Blechformteilefertigung - Erzeugung, Modellierung, Bearbeitung - 6. öffentliches Kolloquium, Dortmund, Germany, 2013, pp. 7–19.
W. Tillmann, L. Hagen, M. Dildrop, In-Process Production and Application of Horizontally and Vertically Graded Microstructures of Tools Using PVD and Thermal Spray Processes, in: W. Homberg, D. Biermann, H.-P. Heim (Eds.), Functionally Graded Materials in Industrial Mass Production: Fundamentals, Verlag Wissenschaftliche Scripten, 2013, pp. 83–92.
2012
W. Tillmann, W. Luo, I. Baumann, P. Hollingsworth, B. Krebs, L. Hagen, Optimization of Thermal Spray Coatings for Forming Tools, China Surface Engineering 25 (2012) 1–14.
W. Tillmann, L. Hagen, I.-A. Laemmerhirt, In-situ Processing of Functional Graded Coatings by Means of Atmospheric Plasma Spraying, in: ITSC 2012 - Proceedings of the International Thermal Spray Conference, Houston, Texas, 2012, pp. 776–781.
W. Tillmann, F. Hoffmann, L. Hagen, R. Zielke, N. Sievers, Adhesion and Tribological Behavior of Cr/CrAlN Multilayer Coatings on Thermally Sprayed Substrates for Hot Metal Forming, in: 1st Int’l Conference on Thermo-Mechanically Graded Materials, Kassel, Germany, 2012, pp. 11–18.
W. Tillmann, L. Hagen, M. Abdulgader, Modifikation der Lichtbogenspritztechnik -Externe Hartstoffeindüsung beim Lichtbogenspritzen-, in: Sonderforschungsbereich 708 3D-Surface Engineering für Werkzeugsysteme der Blechformteilefertigung - Erzeugung, Modellierung, Bearbeitung - 5. öffentliches Kolloquium, Dortmund, Germany, 2012, pp. 7–18.
2011
W. Tillmann, L. Hagen, I. Baumann, M. Tolan, M. Paulus, F. Wieland, Correlation of the Particle Behavior, Microstructure and Phase Evolution During the Optimization of HVOF Sprayed WC-12Co Coatings by Means of DoE, in: ITSC 2011 - Proceedings of the International Thermal Spray Conference, Hamburg, Germany, 2011, pp. 845–851.
W. Tillmann, L. Hagen, I. Baumann, M. Tolan, M. Paulus, F. Wieland, Correlation of the Particle Behavior, Microstructure and Phase Evolution During the Optimization of HVOF Sprayed WC-12Co Coatings by Means of DoE, in: 7th DELTA User- meeting, Dortmund, Germany, 2011, pp. 71–73.
W. Tillmann, B. Krebs, L. Hagen, Modifikation der Lichtbogenspritztechnik - Anwendungsbezogene Düsenmodifikation einer Lichtbogenspritzpistole -, in: Sonderforschungsbereich 708 3D-Surface Engineering für Werkzeugsysteme der Blechformteilefertigung - Erzeugung, Modellierung, Bearbeitung - 4. öffentliches Kolloquium, Dortmund, Germany, 2011, pp. 7–18.
N. Sievers, W. Tillmann, H.-G. Rademacher, L. Hagen, F. Hoffmann, R. Zielke, Untersuchung von gradierten Multilayerschichten auf Umformwerkzeugen mittels der optisch angeregten Lock-In Thermographie, in: Thermographie-Kolloquium 2011, Stuttgart, Germany, 2011.
Vorträge
2021
W. Tillmann, I. Baumann, L. Hagen, Prozesstechnische Randbedingungen beim Beschichten von Innenflächen mittels HVOF / HVAF, GTS Workshop, 30. September, 2021, Kamp-Lintfort, Germany.
2019
W. Tillmann, C. Schaak, L. Hagen, M. Dildrop, Investigation of HVOF-ID Spraying with WC-CoCr -15+5 μm Feedstock Powder, 21. Werkstofftechnisches Kolloquium, 06.-07. March, 2019, Chemnitz, Germany.
2018
W. Tillmann, L. Hagen, C. Schaak, R. Zielke, M. Schaper, M.E. Aydinöz, Pretreatment and Coatability of Additive Manufactured Components Made by Means of Selective Laser Melting, ITSC 2018 - International Thermal Spray Conference, 07.-10. May, 2018, Orlando, Florida, USA.
2017
W. Tillmann, L. Hagen, D. Duda, Tribological Properties of Self-Lubricating Arc Sprayed Coatings at Elevated Temperature, 13th DELTA User Meeting, 29. November, 2017, Dortmund, Germany
W. Tillmann, L. Hagen, D. Duda, A Study on the Tribological Behavior of Arc Sprayed Vanadium Doped Stellite Coatings, ITSC 2017 - International Thermal Spray Conference, 07.-09. June, 2017, Düsseldorf, Germany.
2016
W. Tillmann, L. Hagen, D. Kokalj, M. Paulus, M. Tolan, Influence of Temperature-Induced Oxide Formation on the Tribological Behavior of Fe-V Arc Sprayed Coatings, SMT30 - 30th International Conference on Surface Modification Technologies, 29. June - 01. July, 2016, Milan, Italy.
W. Tillmann, L. Hagen, Wear Behavior of Post-Treated Arc Sprayed Cermet Coatings by Means of Hammer Peening, ITSC 2016 - International Thermal Spray Conference, 10.-12. May, 2016, Shanghai, P. R. China.
W. Tillmann, L. Hagen, P. Schröder, Tribological Behavior of Arc Sprayed and Compressed Coatings with Different Carbide Grain Size Fraction, ITSC 2016 - International Thermal Spray Conference, 10.-12. May, 2016, Shanghai, P. R. China.
W. Tillmann, L. Hagen, D. Kokalj, Influence of Oxide Formation on the Tribological Behavior of Fe-V Arc Spray Coatings at Elevated Temperatures, ITSC 2016 - International Thermal Spray Conference, 10.-12. May, 2016, Shanghai, P. R. China.
2015
L. Hagen (on behalf of W. Tillmann), The Institute of Materials Engineering at the Technical University of Dortmund – at a glance, 7th RIPT - Rencontres Internationales sur la Projection Thermique, 09.-11. December, 2015, Limoges, France.
W. Tillmann, L. Hagen, D. Stangier, D. Biermann, P. Kersting, E. Krebs, Surface Modification by Means of Multilayer Systems and Micromilling Technology, ITSC 2015 - International Thermal Spray Conference, 11.-14. May, 2015, Long Beach, California, USA.
2014
W. Tillmann, L. Hagen, P. Hollingsworth, Konturnahe Bauteilbeschichtung unter Einsatz des Thermischen Spritzens, Robotergestützte Fertigung mithilfe optimierter Bahnplanungsstrategie, in: Werkstoffe und Werkstofftechnische Anwendungen, 17. Werkstofftechnisches Kolloquium, 11.-12. September, 2014, Chemnitz, Germany.
W. Tillmann, L. Hagen, M. Abdulgader, H.-G. Rademacher, A. Schmidt, H. Müller, T. Wiederkehr, Investigations of Technological Developments in Nozzle Design for Twin Wire Arc Spraying by Means of Spray Plume Characteristics, ITSC 2014 - International Thermal Spray Conference, 21.-23. May, 2014, Barcelona, Spain.
2013
W. Tillmann, L. Hagen, M. Abdulgader, N. Anjami, Technological Developments in Nozzle Design for Twin Wire Arc Spraying to Improve the Variety of Application, 6th RIPT - Rencontres Internationales sur la Projection Thermique, 11.-13. December, 2013, Limoges, France.
W. Tillmann, L. Hagen, M. Abdulgader, Technological Developments in Nozzle Design for Twin Wire Arc Spraying to Improve the Variety of Application, in: Sonderforschungsbereich 708 3D-Surface Engineering für Werkzeugsysteme der Blechformteilefertigung - Erzeugung, Modellierung, Bearbeitung - 6. öffentliches Kolloquium, 15. November, 2013, Dortmund, Germany.
W. Tillmann, M. Abdulgader, L. Hagen, External Powder Injection in Twin Wire Arc Spraying to Control the Coating Composition, ITSC 2013 - International Thermal Spray Conference, 13.-15. May, 2013, Busan, Republic of Korea.
2012
W. Tillmann, L. Hagen, M. Abdulgader, Modifikation der Lichtbogenspritztechnik -Externe Hartstoffeindüsung beim Lichtbogenspritzen-, in: Sonderforschungsbereich 708 3D-Surface Engineering für Werkzeugsysteme der Blechformteilefertigung - Erzeugung, Modellierung, Bearbeitung - 5. öffentliches Kolloquium, 20. November, 2012, Dortmund, Germany.
W. Tillmann, F. Hoffmann, L. Hagen, R. Zielke, N. Sievers, Adhesion and Tribological Behavior of Cr/CrAlN Multilayer Coatings on Thermally Sprayed Substrates for Hot Metal Forming, in: 1st Int’l Conference on Thermo-Mechanically Graded Materials, 29.-30. October, 2012, Kassel, Germany.
W. Tillmann, L. Hagen, I.-A. Laemmerhirt, In-situ Processing of Functional Graded Coatings by Means of Atmospheric Plasma Spraying, ITSC 2012 - International Thermal Spray Conference, 21.-24. May, 2012, Houston, Texas, USA.
L. Hagen (on behalf of W. Tillmann, M. Abdulgader), Instability of the Arc Spraying Using Cored Wires, ITSC 2012 - International Thermal Spray Conference, 21.-24. May, 2012, Houston, Texas, USA.
2011
W. Tillmann, B. Krebs, L. Hagen, Modifikation der Lichtbogenspritztechnik - Anwendungsbezogene Düsenmodifikation einer Lichtbogenspritzpistole -, in: Sonderforschungsbereich 708 3D-Surface Engineering für Werkzeugsysteme der Blechformteilefertigung - Erzeugung, Modellierung, Bearbeitung - 4. öffentliches Kolloquium, 15. November, 2011, Dortmund, Germany.
W. Tillmann, L. Hagen, I. Baumann, M. Tolan, M. Paulus, F. Wieland, Correlation of the Particle Behavior, Microstructure and Phase Evolution During the Optimization of HVOF Sprayed WC-12Co Coatings by Means of DoE, ITSC 2011 - International Thermal Spray Conference, 27.-29. September, 2011, Hamburg, Germany.