Project Details

Professor Dr.-Ing. Bernd-Arno Behrens

Address Gottfried Wilhelm Leibniz Universität Hannover
Produktionstechnisches Zentrum
Institut für Umformtechnik und Umformmaschinen
An der Universität 2
30823 Garbsen

Projects

As Applicant
- Current projects
  - Method for Model-driven Design of Deep Drawing Tools (Research Grants)
  - Experimental and numerical modeling and analysis of microstructural residual stresses in hot bulk forming parts under specific cooling (Priority Programmes)
  - Generally modelling of material behavior and surface modifications for FEM analysis of die forging of carbon steels (Research Grants)
  - Experimental and numerical investigations on the morphological evolution of non-metallic inclusions in the steel matrix during hot forging (Research Grants)
  - Forging of steel encased titanium workpieces (Research Grants)
  - Substitution of conventional mold lubrication by using self-lubricating raw parts in sinter forging II (Research Grants)
  - Component variation in the production of hybrid compounds by forming with free kinematics (Research Grants)
  - Determination of the heat transfer coefficient for the numerical design of compound forging processes (Research Grants)
  - Characterisation and modelling of medium Mn steel for hot press forming simulation (Research Grants)
  - Wear prediction and characterisation of load-adjusted profiles with secondary design elements within draw bending (Research Grants)
  - Analysis of the geometrical deviations of long forged components under consideration of the influence of variable stress states on the transformation induced plastic strain behaviour (Research Grants)
  - Modeling of material failure of press-hardened steel for shear cutting considering a pre-damage in the austenitic state (Research Grants)
  - Development of a model for automated determination of the ideal lubricant layer thickness for hot forging processes (Research Grants)
  - Experimental and numerical modeling and analysis of microstructural residual stresses in hot bulk forming parts under specific cooling (Research Grants)
  - Increasing the strength of magnesium wrought alloy components by precipitation hardening (Research Grants)
  - FE-simulation of shear cutting for aluminium bars by considering the stress and temperature dependent effects in the plasticity and damage modelling (Research Grants)
  - Mechanism-based characterization and evaluation of the performance of resistively sintered semi-finished products based on recycled aluminum chips (Research Grants)
- Completed projects
  - Simulation des Walzprozesses von Ringen mit profiliertem Querschnitt (Research Grants)
  - Verformungsinduzierte Martensitbildung bei metastabilen austenitischen Stahl (Research Grants)
  - Bewertung von Schmiedeprozessen anhand technischer Merkmale (Research Grants)
  - Entwicklung eines analytischen Simulationsmodelles als Basis für die Regelung einer Richtmaschine (Research Grants)
  - Aluminiumschmieden von Langteilen mit genauer Massevorverteilung (Research Grants)
  - Development of control algorithms for a parallel kinematics based metal forming machine and simulative determination of suitable machine parameters (Priority Programmes)
  - Verfahrensvergleich von Kalibrierprozessen präzisionsgeschmiedeter Bauteile (Research Grants)
  - Bildung eines Prozessmodells für die Qualitätsüberwachung beim Gesenkschmieden durch den Einsatz Künstlicher Neuronaler Netze (Research Grants)
  - Optimization of the deep drawability of sheets by using non-destructive testing methods (Research Grants)
  - FEM-Simulation des Aluminium-Sinterschmiedeprozesses (Research Grants)
  - Erhöhung des Verschleißwiderstandes von Warmarbeitsstählen durch Absenkung der Ac1b-Temperatur und anschließenden Nitrierbehandlungen (Research Grants)
  - Modellierung von Größeneinflüssen bei Massivumformprozessen (Priority Programmes)
  - Vergleich unterschiedlicher Fertigungsabläufe beim Pulverschmieden und Pulverpressen von Titan (Research Grants)
  - Einfluss der Maschinensteifigkeit auf die Schneidspaltaufweitung bei hydraulischen Knüppelscheren (Research Grants)
  - Keramische Werkzeugwerkstoffe für das Isothermschmieden von Titanlegierungen (Research Grants)
  - Entwurf optimaler Vorformstufen zum gratlosen Präzisionsschmieden von Langteilen unter Anwendung von stochastischen Optimierungsverfahren (Research Grants)
  - Untersuchungen zum kombinierten Umformen und Lochen (Research Grants)
  - Berechnung der Hüftgelenkbeanspruchung beim Hund mit Hilfe der Mehrkörper- und Finite-Element-Simulation (Research Grants)
  - Simulationsgestützte Entwicklung eines adaptiv-elastischen Niederhalters mit zentraler Krafteinleitung zur Steuerung des Werkstoffflusses beim Tiefziehen (Research Grants)
  - Scherschneiden dünner Bleche unter Einsatz adaptiver Magnetaktorik (Research Grants)
  - Entwicklung eines sensorlosen Systems zur Überwachung der Kühlschmierung für die Massivumformung (Research Grants)
  - Entwicklung eines Temperaturmodells zur methodischen Konstruktion temperierter Tiefziehwerkzeuge (Research Grants)
  - Keramik-Stahl-Werkstoffverbundschichten als Verschleißschutz in der Aluminiummassivumformung (Research Grants)
  - Numerische Ermittlung und Vermeidung von Schmiedefalten (Research Grants)
  - Modellbildung zur Berücksichtigung des Maschineneinflusses in der numerischen Simulation von Umformprozessen (Priority Programmes)
  - Untersuchungen zur Vorformung von Stahl im Halbwarmtemperaturbereich mit modifizierten kohlenstoffbasierten Schichtsystemen (Research Grants)
  - Simulation des Presshärtens von Blechen aus Mangan-Bor-Stählen unter Berücksichtigung der Gefügeausbildung (Research Grants)
  - Schnelle inverse Materialflusssimulation für die Massivumformung mittels der dreidimensionalen Mediale-Achse-Transformation (Research Grants)
  - Erweiterung der Formgebungsgrenzen beim Schmieden verschiedener Magnesiumslegierungen durch die Überlagerung hydrostatischer Druckspannungen (Research Grants)
  - Verschleißreduktion beim Scherenschneiden mittels sekundärer Umformoperationen im Stanzabfall (Research Grants)
  - Servoelektrischer Pressenantrieb mit Leistungsverzweigung und mechanisch gekoppeltem Schwungrad (Research Grants)
  - Entwicklung eines optimierten Kühl-/Schmierkonzeptes für keramisch beschichtete Umformwerkzeuge (Research Grants)
  - Entwicklung eines Verfahrens zur schnellen Simulation des Stoffflusses beim Querkeilwalzen (Research Grants)
  - Führungslose, miniaturisierte Maschine zur Herstellung kleiner Stanzteile unter Einsatz einer Resonanzantriebseinheit (Research Grants)
  - Minimierung der Schwingungsanregung von Schneidstempeln durch den Einsatz von Piezoaktoren (Research Grants)
  - Integrative Prozesskettenplanung und -auslegung umformtechnisch gefertigter Bauteile auf Basis genetischer Algorithmen (Research Grants)
  - Lokale Wärmebehandlung beim Gleitziehbiegen zur anforderungsgerechten Herstellung von eigenschaftsoptimierten Profilbauteilen (Research Grants)
  - Entwicklung einer Methode zur produktionsangepassten Konstruktion von Schmiedebauteilen (Research Grants)
  - Einfluss des Materialflusses auf die Verdichtung beim Sinterschmieden (Research Grants)
  - Material characterization and material modelling of composite-metal sheets (Research Grants)
  - Online-Monitoring of Die Forging Processes by Means of Acoustic Emission (Research Grants)
  - Performance analyses of eroded and nitrided forging dies (Research Grants)
  - Component Optimization by Forging of Composite Aluminum Extrusions (Research Grants)
  - Investigation on interactions between topography, friction and wear in the tribological system tool-component in hot forging (Research Grants)
  - Design of optimal preforms for forged parts by use of stochastic optimization methods (Research Grants)
  - FE-based development of highly wear resistant hot working tools by alloy modification in combination with a process- and material adapted nitriding layer (Research Grants)
  - Production of powder metallurgy components with radially graded material system by means of segregation (Research Grants)
  - Acoustic Emission Analysis for Online Monitoring in Sheet Metal Forming (Research Grants)
  - Production of complex geometries made of particle reinforced steel materials by powder compaction and subsequent thixoforging (Research Grants)
  - AI-based prediction of the results of bulk forming simulations (Research Grants)
  - Investigations on the application of metal containing DLC-coatings as wear protection systems for forging dies (Research Grants)
  - Hot Forging of partially particle-reinforced sintered components (Research Grants)
  - Investigation of mechanical properties of forged iron-aluminium alloys (Research Grants)
  - Improved FEA of deep drawing at elevated temperatures of magnesium sheet materials based on a realistic modelling of their formability at process conditions (Research Grants)
  - Numerical calculation of the thermal load during the thixoforming of steel and of the tool life. (Research Grants)
  - Investigations of the shear behaviour of aluminium alloys (Research Grants)
  - Press hardening using masks during furnace process for partial austenitization (Research Grants)
  - Compound forging of hybrid powder-solid-parts made of steel and aluminum (Research Grants)
  - Development of a wear resistant and stress adapted modular build tool, manufactured out of a ceramics reinforced metal matrix composite material (MMC), for the use in hot forging industry (Research Grants)
  - Production of areas with reduced strength in press-hardened components by means of a tempering station (Research Grants)
  - Development and Investigation of Mechanical Properties of Hot Forging Dies by Bulk Forming and Thermomechanical Treatment (Research Grants)
  - Determination of process limits for the reconditioning of worn-out gear wheels by precision postforming at elevated temperatures (Research Grants)
  - Finite element analyses and simulation of the failure of short-fiber reinforced thermoplastics and aluminium blanks by clinching (Priority Programmes)
  - Development of a geometry-based method for compensation of process-induced dimensional deviations of massive formed components (Research Grants)
  - Hybrid compound forging for joining aluminum bulk elements and steel sheet metals (Research Grants)
  - Influence of cooling of forging dies on the process-related microstructural changes in the surface zone and their effect on wear behaviour (Research Grants)
  - Precision Forging of Cast Preforms (Research Grants)
  - Studies on the preforming of steel in semi-hot temperature range with modified carbon-based coating systems (Research Grants)
  - Improvement and identification of mechanical properties in forged parts by immediate post-forming after hot forging on different temperature levels by influencing microstructure of tempering steel (Research Grants)
  - Improvement of fracture characterisation of high-strength steel sheet metals by means of coupling of optical strain analysis systems with acoustic emission techniques (Research Grants)
  - Determination of forming limits of the martensitic chromium steels in hot forming processes (Research Grants)
  - Recycling of metal chips by sintering and forging (Research Grants)
  - Selective thermally oxidized tool surfaces for dry deep drawing (Priority Programmes)
  - Use of different flow stresses for forming inhomogeneously heated billets (Research Grants)
  - Investigations of gradient-dependent nitrided forging tools in hot bulk metal forming under cyclic thermomechanical loading (Research Grants)
  - Characterization of the application behavior of self-lubricating powder pressing tools (Research Grants)
  - Improved Fracture Characterization of High Strength Steels due to a new Test Method for Shear Tension Specimen on uniaxial Tensile Testing Machines (Research Grants)
  - Dry lubrication of rolling contacts by self-regenerating molybdenum-oxide coatings (Priority Programmes)
  - Deep drawing with additional force transmission (Research Grants)
  - Development of a methodology for the assessment of the fatigue life of hot forging dies based on advanced material models (Research Grants)
  - Numerical Simulation of hot forging with an integrated heat treatment considering the impact of unsteady stress state on the transformation induced plasticity (Research Grants)
  - Improved FE simulation of the shear cutting process using a temperature and strain rate-dependent extension of the MMC model (Research Grants)
  - Surface layer treatment using martensite formation of formed stainless steel (Research Grants)
  - Targeted die temperature control by integrating heat pipes in hot forging tools (Research Grants)
As Leader
- Completed projects
  - Servomotorisch direkt angetriebene Umformmaschine mit integriertem Transfersystem und Bandanlage (Major Research Instrumentation)
  - Thermo-mechanisches System zur physikalischen Simulation von Umformprozessen (Major Research Instrumentation)
  - Hydraulische Tiefziehpresse (Major Research Instrumentation)
As Spokesperson
- Current projects
  - SFB 1153: Process Chain for Manufacturing of Hybrid High Performance Components by Tailored Forming (Collaborative Research Centres)
As Participating Researcher
- Current projects
  - EXC 2122: PhoenixD: Photonics, Optics, and Engineering – Innovation Across Disciplines (Clusters of Excellence (ExStra))
- Completed projects
  - GRK 1378: Manufacture, Machining and Qualification of Hybrid Material Systems (Research Training Groups)
  - GRK 615: Interaction of Modeling, Computation Methods and Software Concepts for Scientific-Technological Problems (Research Training Groups)
  - GRK 1627: Virtual Materials and Structures and their Validation (International Research Training Groups)
As Project Head
- Current projects
  - New diagnostic methods to detect loosened hip arthroplasties (CRC/Transregios)
  - High-temperature-resistant tool edge layer by applying the Tailored Forming technology to hot forging tools (Collaborative Research Centres)
  - Influence of the local microstructure on the workability of extruded composite materials (Collaborative Research Centres)
  - Die forging of coaxially arranged hybrid semi-finished parts (Collaborative Research Centres)
  - Determination of the deformability and the resulting component properties in the impact extrusion of serially arranged hybrid semi-finished parts (Collaborative Research Centres)
  - Experimental-numerical method to predict damage and failure of interphases in hybrid workpieces during forming (Collaborative Research Centres)
  - Central Task (Collaborative Research Centres)
  - Flexible process chain for the resource-efficient production of tailored forming components (Collaborative Research Centres)
  - Novel process combination for the production of components based on titanium aluminide in an oxygen-free atmosphere (Collaborative Research Centres)
- Completed projects
  - Erhöhung der Prozessstabilität von Feinblechen eines Umformprozesses durch die in-Prozess Stoffflussmessung (Collaborative Research Centres)
  - Auslegung und Entwicklung einer Werkzeug- und Sprühtechnologie für das Präzisionsschmieden auf schnelllaufenden Kurbelprozessen (Collaborative Research Centres)
  - Erhöhung der Prozessstabilität von Feinblechen eines Umformprozesses durch die In-Prozess Stoffflussmessung (Collaborative Research Centres)
  - Werkstoffe für das Präzisionsschmieden (Collaborative Research Centres)
  - Erweiterte Simulationsmodelle für das Präzisionsschmieden (Collaborative Research Centres)
  - Prozessauslegung und Prozessführung beim Präzisionsschmieden (Collaborative Research Centres)
  - Innovative Maschinen- und Werkzeugtechnologien zum Präzisionsschmieden (Collaborative Research Centres)
  - Metal-forming manufacture of mechanical load sensors by inserting local strains (Collaborative Research Centres)
  - Umformtechnische Strukturierung von Blechbauteilen zur lokalen Verstärkung (Collaborative Research Centres)
  - Local strain hardening of sheet metal components by martensite generation (Collaborative Research Centres)
  - Production of complex local strain hardened bulk metal components by means of superimposed hydrostatic pressure (Collaborative Research Centres)
  - Numerical simulation on stress-compatible design of total prosthetic joint replacements and implants (Collaborative Research Centres)
  - Gesteuerte Abkühlung von Karosseriebauteilen mittels Zweiphasen-Sprühkühlung (Collaborative Research Centres)
  - Weiterentwicklung eines Berechnungsansatzes zur FE-Simulation des Werkzeugverschleißes bei Schmiedeprozessen unter Verwendung von Rigid-Body-Elementen (Collaborative Research Centres)
  - Beschichtungen als Verschleißschutz für Werkzeuge der Warmmassivumformung (Collaborative Research Centres)
  - Sintering Gentelligent Parts from Metal Powder (Collaborative Research Centres)
  - Improvement of combined cutting and deep drawing processes by means of overlaying dynamic process forces (CRC/Transregios)
  - Analysis of horizontal loads in sheet-bulk metal forming and their consideration in simulation (CRC/Transregios)
  - Extension of the process limits by integration of oscillation tool into an industry-oriented sheet-bulk metal forming process (CRC/Transregios)
  - Numerical calculation of the tool wear in industrial cold forming processes by further develop-ment of a wear model (CRC/Transregios)
  - Forming of a Functionally Tailored Hybrid Pinion Gear (Collaborative Research Centres)
As Participating Person
- Completed projects
  - Werkstoff- und verfahrenstechnische Entwicklung von wirkmedienbasierten Umformprozessen für Magnesiumbleche (Priority Programmes)
  - Vergleichende Untersuchung von Bauteileigenschaften zur beanspruchungsgerechten Auslegung präzisionsgeschmiedeter Langteile (Research Grants)
  - Untersuchungen zum Knüppelscheren mit niederfrequenter Schwingungsanregung des Schneidewerkzeuges (Research Grants)
  - Untersuchungen zum wirkmedienbasierten Schmieden von gratlosen Hohlbauteilen aus Aluminium mit großen Hinterschneidungen (Research Grants)
  - Gratloses Schmieden von Metall-Matrix-Kompositen auf Aluminiumbasis (Research Grants)
  - Mechanismen zur Steuerung einer variablen Gratbahn und deren Einfluss auf die verschleiß- und volumenschwankungsabhängige Formfüllung beim Gesenkschmieden (Research Grants)
  - ProKomb - Process combination of cross wedge rolling with multi-directional forming (Research Grants)
  - Hybrid-Forging: Combined Forming and Joining of Sheet and Bulk Metal (Research Grants)
  - Prevention of thin flash along the process chain for the precision forging of aluminum (Research Grants)
  - SPP 1640: Joining by Plastic Deformation (Priority Programmes)
  - SPP 1676: Dry Metal Forming - Sustainable Production through Dry Processing in Metal Forming (Priority Programmes)
As Co-Investigator
- Current projects
  - Control of forming behavior by inhomogeneous heating of semi-finished products during cross-wedge rolling (Research Grants)
  - Transparent AI-Based Process Modelling in Die Forging (Priority Programmes)
  - AI based setup assistance system for multi-stage presses (Priority Programmes)
  - Investigation of the usability of recycled polymers in the context of additive manufacturing in the field of dental technology for the production of aligner models with regard to toxicology and accuracy of fit in comparison to alternative methods. (Research Grants)
- Completed projects
  - Method to Determine the Energy Characteristics of Metal Forming Presses as a Basis for Energy Efficient Forming Technologies (Research Grants)
  - Contactless Feeding of Metallic Foils in Micro-Precision Stamping Technology (Research Grants)
  - Setting an ultrafine grain at forged preforms by using cross wedge rolling (Research Grants)
  - Investigating of the production of several eccentric, non-circular cross sections using cross wedge rolling (Research Grants)
  - Prevention of thin flash formation in the flashless forging of aluminium under consideration of industrial process parameters and variation of tool-integrated sealing concepts (Research Grants)
  - Linear driven hybrid actuator for the production of complex workpieces (Research Grants)

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Professor Dr.-Ing. Bernd-Arno Behrens

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Professor Dr.-Ing. Bernd-Arno Behrens

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