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Professor Dr.-Ing. Frank Vollertsen

Address BIAS - Bremer Institut für Angewandte Strahltechnik GmbH
Klagenfurter Straße 5
28359 Bremen

Projects

As Applicant
- Completed projects
  - Forming of structured blanks using multiple elastomer membranes in terms of a robust manufacturing process (Priority Programmes)
  - Increase of the limit of formability for bending of aluminium/steel hybrid blanks through laser shot peening (Priority Programmes)
  - Modifiziertes lasergestütztes elektrochemisches Jet-Verfahren zur 3D-Mikrostrukturierung von Metallen und Legierungen (Research Grants)
  - Hochgeschwindigkeitsumformen durch laserinduzierte Schockwellen (Research Grants)
  - Herstellung von Aluminium-Stahl-Mischverbindungen durch Einsatz von Laser- und/oder Plasmastrahlen (Mikrostruktur und Festigkeit) (Research Units)
  - Modellierung von Größeneffekten auf die Zeitkonstante beim skalierten Laserstrahlumformen (Priority Programmes)
  - Modelling of tribologic size-effects in deep drawing (Priority Programmes)
  - Untersuchung zur Herstellung von dämpfungsarmen planaren polymeren Lichtwellenleitern hergestellt mittels UV-Laserlithographie (Research Grants)
  - Development of a system for the simulation of plasma jet forming (Priority Programmes)
  - Near-net-shape Beschichten von Aluminiumlegierungen mittels Laserstrahl (Research Grants)
  - Verständnis und Minderung des Verzugs beim Laserstrahltiefschweißen im Mikrobereich (Research Grants)
  - Photonen-Plasma-CVD-Verfahren zur Synthese ultraharter Hochtemperatur/Verschleißschutz-Sichtsysteme auf C-N-Basis bei Atmosphärendruck (Research Grants)
  - Hochgeschwindigkeitsumformung durch laserinduzierte Schockwellen (Research Grants)
  - Untersuchung und Charakterisierung der Phasenbildung von FeAl-Mischverbindungen bei Verwendung schneller laserbasierter Fügeprozesse mit großen Temperaturgradienten (Research Grants)
  - Methodik zur Beschreibung der Spannungsentwicklung beim inkrementellen thermischen Biegen und deren Integration in ein optimiertes FEM-Modell (Research Grants)
  - Beeinflussung der Durchmischung durch den Einsatz magnetischer Wechselfelder beim Laserstrahlschweißen (Research Grants)
  - Modellierung der spitzentemperaturabhängigen Eigenspannungsausbildung umwandelnder Stähle beim thermischen Umformen (Research Grants)
  - Laserstrahlbeschichten und Simulation der Temperatur- und Eigenspannungssituation (Research Grants)
  - Schichthomogenität und -eigenschaften beim tiefen Laserlegieren von Aluminium (Research Grants)
  - Brechnungsindexmodifikation in perfluorierten Polymerfasern mit ultravioletter Laserstrahlung (Research Grants)
  - Dauerfestigkeit von Mittelschnellläuferkurbelwellen nach Rekonditionierung durch Laserstrahlbeschichten (Research Grants)
  - Semi-static modeling of laser utilization in thermal forming simulations (Research Grants)
  - Prozesskettenverkürzung beim Aluminiumlöten durch den Einsatz eines koaxialen Laser-Plasma-Hybridverfahrens (Research Grants)
  - Selective Laser-Chemical Polishing (Research Grants)
  - Control of the laser induced temperature field for the ralisation of a compact machining module for planar laser material processing (Priority Programmes)
  - Influence of the spatial intensity distribution on keyhole stability during high power laser welding (Research Grants)
  - Thermal joining of integral CFRP-metal joints (Research Units)
  - Structuring of polymer surfaces for micro- and biotechnical applications by hybrid UV-Laser-Fluoration (Research Grants)
  - Influence of punch velocity on friction behavior in micro deep drawing process (Research Grants)
  - Identification of the influence of mechanical vibrations on the solidification process during deep penetration welding (Research Grants)
  - Temperature history influence on laser beam absorption at laser material processing (Research Grants)
  - Diamond layer architecture with locally adapted properties (Research Grants)
  - Dry Deep Drawing of Aluminium for Automotive Production (Priority Programmes)
  - Cutting by laser-induced shock waves (Research Grants)
  - Joining by high speed forming by laser induced shock waves (Priority Programmes)
  - Energy efficient brazing by using the deep penetration effect (Research Grants)
  - Influence of alloying elements on process dynamics during laser deep penetration welding (Research Grants)
  - Stabilization of the interface temperature in laser beam brazing of aluminum alloys with aluminum-based brazing alloys (Research Grants)
  - Laser Finishing of the Multi-Scale Surface Structure of Additive Manufactured Parts (Research Grants)
  - Influence of metal vapor on plasma arc stability (Research Grants)
  - Coordination Funds (Priority Programmes)
  - Polished diamond coatings for dry tapering of aluminum (Priority Programmes)
  - HighPa-Shock - Increasing reproducibility of the spring-back angle of thin metal sheets by inducing residual compressive stress with laser shock (Research Grants)
  - Increase in process efficiency of laser chemical machining by preventing the gas bubble related removal disturbances (Research Grants)
  - Fatigue strength of by selective laser melting generated samples (Research Grants)
  - Water as lubricant for high-speed forming by means of LIPSS (Research Grants)
  - Thermal drift in laser cutting of metallic mesh structures (Research Grants)
As Leader
- Completed projects
  - Hochleistungs-Scheibenlaser (Major Research Instrumentation)
As Spokesperson
- Completed projects
  - SPP 1138: Modelling of Scaling Effects on Manufacturing Processes (Priority Programmes)
  - SFB 747: Micro Cold Forming - Processes, Characterisation, Optimisation (Collaborative Research Centres)
  - SPP 1676: Dry Metal Forming - Sustainable Production through Dry Processing in Metal Forming (Priority Programmes)
As Project Head
- Completed projects
  - Forming limit and springback behaviour in micro sheet metal forming (Collaborative Research Centres)
  - Betrieb des virtuellen Maschinenpools (Collaborative Research Centres)
  - Thermal induced prestressing for Distortion Minimization (Collaborative Research Centres)
  - Control of distortion during fiber laser beam welding taking the example of a shaft-hub connection (Collaborative Research Centres)
  - Distortion control in process chains for the production of car body components (Collaborative Research Centres)
  - Generation of functional parts of a component by laser-based free form heading (Collaborative Research Centres)
  - Controlled and scalable laser removal method for manufacturing contoured micro forming tools (Collaborative Research Centres)
  - Increasing life time of micro deep drawing tools (Collaborative Research Centres)
  - Influence of tool geometry on the process stability in micro forming (Collaborative Research Centres)
  - Optimal cold forming of smallest parts with system (Collaborative Research Centres)
  - Central Tasks (Collaborative Research Centres)
  - Process chains based on thermo-electrochemical reactions for production of metallic micro components (Collaborative Research Centres)
  - Laser deep alloying for the realization of finely graded alloys (Collaborative Research Centres)
  - High speed hardness measurement of metal-based materials (Collaborative Research Centres)
  - Processes with thermo-chemical impact (CRC/Transregios)
As Participating Person
- Completed projects
  - Einfluss der Zinkschicht beim thermischen Fügen von Aluminium-Stahl-Mischverbindungen (Research Grants)
  - SPP 1640: Joining by Plastic Deformation (Priority Programmes)
As Ehemaliger Antragsteller
- Current projects
  - Stabilization of the vapor capillary by additional intensity maxima along the beam axis (Research Grants) to 9/2021
  - Process-oriented characterization of temperature field and ablation changes during laser chemical processing (Research Grants) to 10/2021
- Completed projects
  - Adaptive powder nozzle for additive manufacturing processes (Research Grants) to 9/2021
  - Influence of absorption mechanisms on the temperature distribution on the keyhole wall during laser deep penetration welding (Research Grants) to 9/2021
  - Laser melting inside cavity (Research Grants) to 10/2021
As Co-Investigator
- Current projects
  - In-situ alloy variation in laser powder bed fusion processes (Research Grants)
- Completed projects
  - Surface coating for non-lubricated deep drawing of stainless steel (Priority Programmes)
  - Highly flexible material synthesis and microstructure adjustment through combined laser deposition welding and short-term heat treatment for high-throughput materials development (Major Instrumentation Initiatives)

As Prizewinner
- Gottfried Wilhelm Leibniz-Programm 2002

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