Jun.-Prof. Dr.-Ing. Peer Woizeschke

• Ongoing research projects
  • In-situ alloy variation in powder bed based laser beam melting (DFG)
  • Understanding the effect of interlayers on the interface temperature in laser brazing for the utilization of higher melting point brazing materials (DFG)
  • Influence of absorption mechanisms on the temperature distribution at the capillary wall during laser deep penetration welding (DFG)
  • Stabilization of the vapour capillary by additional intensity maxima along the beam axis (DFG)
• Main research areas
  • Laser material processing / laser beam processes
  • Additive manufacturing in the powder bed (LPBF: Laser Powder Bed Fusion)
  • Laser beam welding and laser beam soldering
  • Multi-material design and graded materials
  • Additive-subtractive process chain
  • Process-functional interfaces (incl. surfaces)
  • Process sensor technology (in-process and post-process)

Doctorate at the Faculty of Production Engineering at the University of Bremen on the topic: Properties of laser beam-joined mixed joints made of aluminum and titanium as a function of edge geometry and semi-finished product structure Strahltechnik Vol. 65, eds.: F. Vollertsen, R. Bergmann, BIAS Verlag Bremen.

Articles in peer-reviewed journals

Cho, W; Woizeschke, P Numerical study of the effect of workpiece thickness on the interfacial behavior of a molten aluminum droplet on a zinc-coated steel sheet The International Journal of Advanced Manufacturing Technology volume 119 (2022) 6245-6254, DOI: 10.1007/s00170-022-08719-x

Möbus, M; Woizeschke, P Laser beam welding setup for the coaxial combination of two laser beams to vary the intensity distribution Welding in the World 66 (2022) 471-480, DOI: 10.1007/s40194-021-01234-9

Mattulat, T; Pordzik, R; Woizeschke, P OCT welding depth monitoring at negative pressure WT Werkstattstechnik online 11/12 (2021) 863-868 DOI: 10.37544/1436-4980-2021-11-12-93

Müller, S; Woizeschke, P Feasibility of a laser powder bed fusion process for additive manufacturing of hybrid structures using aluminum-titanium powder-substrate pairings Additive Manufacturing 48 (2021) 102377, DOI: 10.1016/j.addma.2021.102377

Cho, W; Woizeschke, P Analysis of molten pool dynamics in laser welding with beam oscillation and filler wire feeding International Journal of Heat and Mass Transfer 164 (2021) 120623, DOI: 10.1016/j.ijheatmasstransfer.2020.120623

Mattulat, T; Woizeschke, P The influence of the ratio between the wire and process velocities on the wetting process during laser brazing Production Engineering 14 (2020) 523-534, DOI: 10.1007/s11740-020-00978-5

Henze, I; Woizeschke, P Influence of the beam oscillation pattern and oscillation frequency on the temperature field in laser brazing with keyhole formation The International Journal of Advanced Manufacturing Technology 111 (2020) 807-816, DOI: 10.1007/s00170-020-06111-1

Pordzik, R; Woizeschke, P An Experimental Approach for the Direct Measurement of Temperatures in the Vicinity of the Keyhole Front Wall during Deep-Penetration Laser Welding Applied Sciences 10 (2020) 3951, DOI: 10.3390/app10113951

Cho, W; Woizeschke, P Analysis of molten pool behavior with buttonhole formation in laser keyhole welding of sheet metal International Journal of Heat and Mass Transfer 152 (2020) 119528, DOI: 10.1016/j.ijheatmasstransfer.2020.119528

Woizeschke, P; Vollertsen, F Laser keyhole micro welding of aluminum foils to lap joints even with large gap size CIRP Annals - Manufacturing Technology 69 (2020) 237-240, DOI: 10.1016/j.cirp.2020.04.063

Leithäuser, T; Woizeschke, P Influence of the Wire Feeding on the Wetting Process during Laser Brazing of Aluminum Alloys with Aluminum-Based Braze Material Journal of Manufacturing and Materials Processing 3 (2019) 83, DOI: 10.3390/jmmp3040083

Prieske, M; Müller, S; Woizeschke, P Interaction of methane concentration and deposition temperature in atmospheric laser-based CVD diamond deposition on hard metal Coatings 9 (2019) 537, DOI: 10.3390/coatings9090537

Felsing, A; Woizeschke, P Influence of Magnesium on Spatter Behavior in Laser Deep Penetration Welding of Aluminum Alloys Journal of Manufacturing and Materials Processing 3 (2019) 71, DOI: 10.3390/jmmp3030071

Radel, T; Woizeschke, P Reduction of hot cracking susceptibility during laser welding of aluminum by vibrations Welding in the Word 63, 3 (2019) 599-606, DOI: 10.1007/s40194-018-00680-2

Woizeschke, P Approach for bidirectional laser bending of sheet metal with one-sided accessibility CIRP Annals - Manufacturing Technology 68 (2019) 277-280, DOI: 10.1016/j.cirp.2019.04.098

Schultz, V; Woizeschke, P High Seam Surface Quality in Keyhole Laser Welding: Buttonhole Welding J. Manuf. Mater. Process 2 (2018) 78, DOI: 10.3390/jmmp2040078

Cho, W; Schultz, V; Woizeschke, P Numerical study of the effect of the oscillation frequency in buttonhole welding Journal of Materials Processing Technology 261 (2018) 202-212, DOI: 10.1016/j.jmatprotec.2018.05.024

Gatzen, M; Woizeschke, P; Radel, T; Thomy, C; Vollertsen, F Experimental and Numerical Investigation of an Overheated Aluminum Droplet Wetting a Zinc-Coated Steel Surface Metals 2017, 7 (2017) 535, DOI:10.3390/met7120535

Woizeschke, P; Radel, T; Nicolay, P; Vollertsen, F Laser deep penetration welding of aluminum alloys with simultaneously applied vibrations Laser in Manufacturing and Materials Processing 4, 1 (2017) 1-12, DOI: 10.1007/s40516-016-0032-9

Woizeschke, P; Vollertsen, F A strength-model for laser joined hybrid aluminum-titanium transition structures CIRP Annals - Manufacturing Technology 65 (2016) 241-244, DOI: 10.1016/j.cirp.2016.04.027

Woizeschke, P; Vollertsen, F Fracture analysis of competing failure modes of aluminum-CFRP joints using three-layer titanium laminates as transition Journal of Materials Engineering and Performance 24, 9 (2015) 3558-3572, DOI: 10.1007/s11665-015-1638-3

Woizeschke, P; Mosgowoi, E; Vollertsen, F Decreasing pore formation in multiple-sheet laser joining with interfacial polymeric contaminations Welding in the World 59, 5 (2015) 683-692, DOI: 10.1007/s40194-015-0244-1

Woizeschke, P; Vollertsen, F Distortion Effects in Deep Penetration Laser Micro Welding: Challenges and Results Lasers in Engineering 28 (2014) 337-359

Book chapter

Woizeschke, P Laser Joining Processes for Lightweight Aircraft Structures In: Pantelakis S., Tserpes K. (eds) Revolutionizing Aircraft Materials and Processes. Springer, Cham (2020) 303-335, DOI: 10.1007/978-3-030-35346-9_11

Papers at conferences with peer review

Mattulat, T; Woizeschke, P Manipulation of the cyclic wetting process using longitudinal filler wire oscillation in the laser brazing of zinc-coated steel sheets LANE 2020: 11th CIRP Conference on Photonic Technologies, Procedia CIRP 94 (2020) 616-621, DOI: 10.1016/j.procir.2020.09.091

Woizeschke, P; Heinrich, L; Eichner, P Laser edge forming to increase the bending radius in hemming Proc. of the 5th International Conference on New Forming Technology (ICNFT 2018), MATEC Web of Conferences 190, 02002 (2018), DOI: 10.1051/matecconf/201819002002 (online)

Cho, W; Woizeschke, P; Schultz, V Simulation of molten pool dynamics and stability analysis in laser buttonhole welding Procedia CIRP 74 - 10th CIRP Conference on Photonic Technologies [LANE 2018], eds: M. Schmidt, F. Vollertsen, G. Dearden. Elsevier Ltd. Amsterdam (2018) 687-690, DOI: 10.1016/j.procir.2018.08.042

Mittelstädt, C; Seefeld, T; Woizeschke, P; Vollertsen, F Laser welding of hidden T-joints with lateral beam oscillation Procedia CIRP 74 - 10th CIRP Conference on Photonic Technologies [LANE 2018], eds.: M. Schmidt, F. Vollertsen, G. Dearden. Elsevier Ltd. Amsterdam (2018) 456-460, DOI: 10.1016/j.procir.2018.08.151

Kunze, A; von Hehl, A; Schumacher, J; Woizeschke, P; Zoch, H Fatigue Behavior of Titanium Transition Structures for Advanced Carbon Fibre Reinforced Plastics (CFRP)-aluminium Joints Light Metals Technology 2015, Materials Science Forum Vols. 828-829 (2015) 285-290, DOI: 10.4028/www.scientific.net/MSF.828-829.285

Woizeschke, P; Schumacher, J; Specht, U; Lang, A; Vollertsen, F Joining of aluminum and CFRP parts using titanium foils as transition elements Euro Hybrid - Materials and Structures 2014, eds: J. M. Hausmann, M. Siebert. German Society for Materials Science e. V. Frankfurt (2014) 69-75

Woizeschke, P; Schumacher, J Failure behavior of aluminum-titanium hybrid seams within a novel aluminum-CFRP joining concept Lasers in Manufacturing (LIM 2013). Physics Procedia 41, eds: C. Emmelmann, M.F. Zäh, T. Graf, M. Schmidt. Elsevier Amsterdam (2013) 12-19, DOI: 10.1016/j.phpro.2013.03.046

Woizeschke, P; Wottschel, V Recent developments for laser beam joining of CFRP-aluminum structures Procedia Materials Science: Materials Science Engineering (MSE2012), Symposium B6 - Hybrid Structures Vol. 2. Elsevier-Verlag (2013) 250-258, DOI: 10.1016/j.mspro.2013.02.031

Woizeschke, P; Vollertsen, F Challenges of investigating distortion effects in laser micro welding Proc. of the 37th International MATADOR Conference, eds.: S. Hinduja, L. Li. Springer Publishing House London (2012) 319-322

Contributions to conferences without peer review

Müller, S; Woizeschke, P Methodology for analyzing the influence of contact temperatures in laser beam brazing Proc. of the Lasers in Manufacturing Conference 2021 (LIM21)

wlt.de/sites/default/files/2021-10/joining_welding_brazing/Contribution_299_final.pdf

Karwoth, B; Mattulat, T; Woizeschke, P Occurrence of coating-related accumulations within the seam in laser beam deep penetration welding of aluminum-silicon coated press-hardened steels Proc. of the Lasers in Manufacturing Conference 2021 (LIM21) n0. 280

wlt.de/sites/default/files/2021-10/joining_welding_brazing/Contribution_280_final.pdf

Tyralla, D; Woizeschke, P; Seefeld, T Spatially resolved melt pool monitoring for process characterization in laser powder bed fusion Proc. of the Lasers in Manufacturing Conference 2021 (LIM21) no. 233

wlt.de/sites/default/files/2021-10/system_technology_process_control/Contribution_233_final.pdf

Henze, I; Mattulat; T; Woizeschke, P Effects of separately laser-induced metal vapor amounts on the stability of a TIG arc Proc. of the Lasers in Manufacturing Conference 2021 (LIM21) no. 323

wlt.de/sites/default/files/2021-10/joining_welding_brazing/Contribution_323_final.pdf

Mattulat, T; Woizeschke, P Laser beam brazing with oscillating cold wire to increase seam quality DVS CONGRESS - GST Große Schweißtechnische Tagung 2020, DVS-Berichte Vol. 365. DVS Media GmbH Düsseldorf (2020) 343-348

Henze, I; Woizeschke, P Keyhole Brazing with Two-Dimensional Laser Irradiation Patterns Proc. of the Lasers in Manufacturing Conference 2019 (LIM19), eds.: U. Reisgen, M. Schmidt, M. Zäh, M. Rethmeier (2019) no. 337

www.wlt.de/lim/Proceedings2019/data/PDF/Contribution_337_final.pdf

Schultz, V; Cho, W; Woizeschke, P; Vollertsen, F Laser deep penetration weld seams with high surface quality Lasers in Manufacturing (LIM17) eds.: L. Overmeyer, U. Reisgen, A. Ostendorf, M. Schmidt (2017) no. 29

www.wlt.de/lim/Proceedings2017/Data/PDF/Contribution29_final.pdf

Radel, T; Woizeschke, P; Vollertsen, F Keyhole brazing - an approach for energy efficient brazing by using the deep penetration effect LÖT 2016. DVS Report Vol. 325, DVS Media GmbH, Düsseldorf (2016) 302-306

Radel, T; Woizeschke, P; Vollertsen, F Material effects on the cathodic arc cleaning in laser-plasma processing of aluminum alloys Löt 2016, DVS Berichte Bd. 325, DVS Media GmbH, Düsseldorf (2016) 90-95

Khazan, P; Radel, T; Woizeschke, P Numerical simulation of the distortion in conventional laser and fluxless laser-plasma brazing of aluminum using simufact welding 9th Int. Congress Aluminium Brazing, DVS Berichte Vol. 323, DVS Media Düsseldorf (2016) 60-65

Woizeschke, P; Schultz, V; Messaoudi, H; Mehrafsun, S; Feuerhahn, F; Köhler, H; Thomy, C; Vollertsen, F Laser processing of lightweight aircraft structures The 84th Laser Materials Processing Conference. Japan Laser Processing Society (2016) 21-26

Volpp, J; Woizeschke, P; Vollertsen, F Impacts on keyhole oscillations and process pores during laser deep penetration welding Proc. of the 34th International Congress on Applications of Lasers & Electro-Optics (ICALEO 2015), LIA Orlando FL (2015) no. 401, 330-335

Radel, T; Gatzen, M; Woizeschke, P; Thomy, C Influence of different zinc coatings on laser brazing of aluminum to steel Lasers in Manufacturing (LIM15) eds.: T. Graf, C. Emmelmann, L. Overmeyer, F. Vollertsen (2015) no. 144

www.wlt.de/lim/Proceedings2015/Stick/PDF/Contribution144_final.pdf

Woizeschke, P; Vollertsen, F Laser joining of transition structures for joining CFRP and aluminum Große Schweißtechnische Tagung (GST 2013). DVS Media GmbH Düsseldorf (2013) 205-211

Articles in open-access journals without peer review

Prieske, M; Woizeschke, P CVD diamond coating of forming dies with a homogenous coating thickness Dry Met. Forming 5 (2019) 9-12

Articles in journals

Henze, I; Mattulat, T; Woizeschke, P Possibility to experimentally investigate the influence of metal vapor on a TIG arc Source: Schweißen und Schneiden 74, 1-2 (2022) 48-49

Möbus, M; Mattulat, T; Woizeschke, P Processing optics for the investigation of three-dimensional spot displacements of two laser beams during laser beam welding Schweißen und Schneiden, Issue 8 (2021) 550 - 551

Mattulat, T; Woizeschke, P Laser beam soldering with oscillating cold wire to increase the seam quality Welding and Cutting, Issue 4 (2021) 230 - 234

Henze, I; Woizeschke, P Energy-efficient soldering by utilizing the deep welding effect in combination with two-dimensional beam oscillation PhotonicsViews Special Issue, DOI: 10.1002/phvs.202100013

Pordzik, R; Woizeschke, P Implementation of synchronized multi-method process monitoring in laser deep penetration welding PhotonicsViews Special Issue, DOI: 10.1002/phvs.202100011

Mattulat, T; Woizeschke, P Laser soldering with wire oscillation to increase the seam edge quality PhotonicsViews Special Issue, DOI: 10.1002/phvs.202100012

Karwoth, B; Mattulat, T; Woizeschke, P Distribution of intermetallic phases during laser beam welding of press-hardened steels Schweißen und Schneiden, Issue 12 (2020) 798

Woizeschke, P; Mattulat, T; Warneke, P; Bohlen, A; Dörfert, R; Tyralla, D; Halisch, C; Simons, M; Stephen, A Current developments in laser applications Welding and Cutting 72, 9 (2020) 577-581

Vollertsen, F; Woizeschke, P; Schultz, V; Mittelstädt, C Laser beam joining with high seam surface quality - Latest developments Der Praktiker 8 (2018) 420-425 also in: Yearbook Welding Technology 2020. DVS Media GmbH, Düsseldorf (2019) 327-336

Woizeschke, P; Mittelstädt, C Laser joining of dissimilar joints: ultra-high-strength steels, aluminum, titanium and CFRP DGM-dIALOG Materialwissenschaft und Werkstofftechnik 01 (2018) 174-175

Radel, T; Gatzen, M; Woizeschke, P; Thomy, C; Vollertsen, F Methods for characterizing the adhesion and wetting behaviour in short-time brazing processes Schweißen und Schneiden 69, 12 (2017) 826-828

Vollertsen, F; Woizeschke, P; Schultz, V; Mittelstädt, C Developments in laser joining with high seam surface quality lightweight.design 5 (2017) 10-17

Vollertsen, F; Woizeschke, P; Schultz, V; Mittelstädt, C Developments for laser joining with high-quality seam surfaces Lightweight Design worldwide 10, 5 (2017) 6-13, DOI: 10.1007/s41777-017-0041-1

Schultz, V; Woizeschke, P; Vollertsen, F Laser deep penetration welding in visible seam quality Schweißen und Schneiden 69, 6 (2017) 346-347

Verhoeven, R; Kügler, H; Woizeschke, P; Seefeld, T Welding with autopilot: Correcting the weld path using a sensor I2B Express 02 (2016) 15

Woizeschke, P; Kügler, H; Vollertsen, F Evaluating and comparing the gap bridgeability of different thermal joining processes - The benchmark gap Der Praktiker 8 (2016) 356-358

Schultz, V; Woizeschke, P; Vollertsen, F Laser deep penetration welding with high surface quality - Process reliability even with large gap dimensions Der Praktiker 1-2 (2016) 14-15

Woizeschke, P; Brüning, H; Vollertsen, F Laser-generated sheet metal edges Laser Magazin 5 (2015) 22-24

Schultz, V; Seefeld, T; Woizeschke, P; Thomy, C; Vollertsen, F Process-reliable laser welding with high gap-bridging capability and seam quality Laser Magazin 4 (2015) n.p.

Woizeschke, P; Sandner, M Distortion measurement in laser microwelding Microproduction (Special on microlaser processing) 3, 14 (2014) 42-43

Woizeschke, P Joining of aluminum and CFRP components using an innovative "foil concept" Welding & Cutting 66, 4 (2014) 209-210

Woizeschke, P; Möller, F; Vollertsen, F Laser joining of CFRP and aluminum components for the lightweight construction of tomorrow Laser-Magazin 4 (2012) 6-7

Published final reports (partly in book form)

Mattulat, T; Woizeschke, P (and Deutscher Verband für Schweißen und Verwandte Verfahren) Laser beam brazing with oscillating cold wire to improve seam quality Final report on IGF project no. 19.987 N, reporting period: 01.03.2018 to 31.08.2020. BIAS - Bremer Institut für angewandte Strahltechnik GmbH (2020)

Woizeschke, P; Vollertsen, F Joining of aluminum to titanium sheets/ laminates for aluminum-CFRP transitions Outcome of the research unit FOR 1224: CFRP-Al transition structures in lightweight constructions, eds. Axel S. Herrmann. Fiber Institute Bremen e.V., Bremen (2018) 31-74

Woizeschke, P; Vollertsen, F Laser joining of titanium wires and aluminum sheets for aluminum-CFRP transitions Outcome of the research unit FOR 1224: CFRP-Al transition structures in lightweight constructions, eds. Axel S. Herrmann. Fiber Institute Bremen e.V., Bremen (2018) 25-31

Woizeschke, P Process Monitoring for Process-functional Surfaces and Interfaces in Laser Material Processing^18th Conference on Nordic Laser Material Processing, NOLAMP, 18-20th January 2022 in Luleå, Sweden (2022)

Woizeschke, P Improvements in laser welding and brazing processes by beam oscillation The 8th International Congress on Laser Advanced Materials Processing, May 21-24, 2019, International Conference Center Hiroshima, Japan (2019)