Technische Universität Dortmund
Fakultät Maschinenbau
Lehrstuhl für Werkstoffprüftechnik
Address
Baroper Straße 303
44227 Dortmund
Deutschland
GERiT
This institution in GERiT
44227 Dortmund
Projects
Research Grants
Current projects
Alloying- and microstructure-depended fatigue life characterisation and improvement of vacuum brazed AISI 304L joints with Ni-based filler metals in corrosive environments
(Applicant
Walther, Frank
)
Characterization and modeling of load- and cycle-dependent residual stress development and damage evolution of electrically conductive fiber metal laminates with process-based residual stresses
(Applicants
Hausmann, Joachim
;
Walther, Frank
)
Characterization of laser-cut carbon fiber-reinforced polymers with regard to tension-compression and bending fatigue loading for simulation-based fatigue life prediction
(Applicants
Jäschke, Peter
;
Walther, Frank
)
Development and validation of a methodology for in-situ detection and model-based evaluation of manufacturing defects in electron beam powder bed fusion
(Applicants
Körner, Carolin
;
Walther, Frank
)
Evaluation of the impact of deep rolling on the mechanical and corrosion properties of additively manufactured aluminum alloy AlSi10Mg
(Applicants
Niendorf, Thomas
;
Walther, Frank
)
Mechanism-based characterization and evaluation of the performance of resistively sintered semi-finished products based on recycled aluminum chips
(Applicants
Behrens, Bernd-Arno
;
Walther, Frank
)
Mechanism-based surface conditioning for a function-oriented adjustment of the surface integrity of highly stressed components using combined deep rolling and microfinishing processes
(Applicants
Biermann, Dirk
;
Walther, Frank
)
Numerical-experimental method development for superplastic hydroforming processes of titanium hollow sections
(Applicants
Walther, Frank
;
Winter, Sven
)
Phase-resolved fatigue damage mechanisms of duplex steels processed by laser-directed energy deposition
(Applicants
Röttger, Arne
;
Walther, Frank
)
Understanding fatigue damage mechanisms of L-PBF manufactured lattice structures through experimental and numerical methods
(Applicants
Münstermann, Sebastian
;
Walther, Frank
)
µCT-based characterization of corrosion extent to predict time-dependent performance spectrum for magnesium-based biomaterials considering supercritical pitting
(Applicants
Maier, Petra
;
Walther, Frank
)
Completed projects
Analysis and extension of the limits of application in metal forming based recycling of aluminum chips
(Applicants
Tekkaya, A. Erman
;
Walther, Frank
)
Basic technological investigation of a new high-performance process for the production of internal threads and microstructure-based characterization of their performance
(Applicants
Biermann, Dirk
;
Walther, Frank
)
Data- and model-driven quantification of the interaction of defect distribution, atmosphere, and stress parameters during the HCF/VHCF damage evolution of age-hardenable Al-Si cast alloys
(Applicants
Bührig-Polaczek, Andreas
;
Krupp, Ulrich
;
Walther, Frank
)
Development and validation of an in vitro short-time testing method for the prediction of the in vivo behavior of absorbable metallic implant materials
(Applicants
Smeets, Ralf
;
Walther, Frank
)
Energy-efficient manufacturing and mechanism-based characterization of the corrosion fatigue behavior of laser-structured hybrid composites
(Applicants
Haubrich, Jan
;
Tröster, Thomas
;
Walther, Frank
)
Holistic development and characterization of an efficient manufacturing of detachable joints for aluminium and magnesium lightweight materials
(Applicants
Biermann, Dirk
;
Walther, Frank
)
Identification and Modeling of Fatigue Damage Mechanisms in Al-Si-Mg Cast Alloys under Fatigue Loading at High and Very High Number of Cycles
(Applicants
Krupp, Ulrich
;
Walther, Frank
)
Investigations on the influence of machining and sulphur content on the fatigue strength of the quenched and tempered steel 42CrMo4+QT
(Applicants
Biermann, Dirk
;
Walther, Frank
)
Isothermes und thermisch-mechanisches Ermüdungsverhalten hochbeanspruchter UIC-Radstähle
(Applicant
Eifler, Dietmar
)
Mechanism-based assessment of the influence of powder production and process parameters on the microstructure and the deformation behavior of SLM-compacted C + N steels in air and in corrosive environments
(Applicants
Ellendt, Nils
;
Walther, Frank
;
Weber, Sebastian
)
Mechanism-based characterization of the texture influence on the corrosion and corrosion fatigue properties of zinc-based wrought magnesium alloys
(Applicants
Letzig, Dietmar
;
Walther, Frank
)
Mechanism-based development and validation of a structural health monitoring for climate adaptive architectural Cottonid elements
(Applicants
Walther, Frank
;
Zollfrank, Cordt
)
Mechanism-based investigation of additively-manufactured aluminium matrix composites (AMC) for enhanced mechanical strength
(Applicants
Imgrund, Philipp
;
Wagner, Guntram
;
Walther, Frank
)
Mechanism-based understanding of functional grading focused on fatigue behaviour of additively processed Ti-6Al-4V and Al-12Si alloys
(Applicants
Emmelmann, Claus
;
Walther, Frank
)
Mechanism-correlated characterization of the deformation and damage behavior of thermo-plastic-based fiber metal laminates for property-oriented process development
(Applicants
Wagner, Guntram
;
Walther, Frank
)
Mechanism-oriented characterization of the microstructural and load direction-dependent cyclic creep (ratcheting) behavior of the magnesium alloy WE43
(Applicant
Walther, Frank
)
Microstructure and defect controlled additive manufacturing of gamma titanium aluminides for function-based control of local materials properties
(Applicants
Leyens, Christoph
;
Walther, Frank
)
Microstructure- and defect-controlled damage tolerance evaluation of lattice structures at room temperature and 650 °C based on the E-PBF processed Ni-based alloy Inconel 718
(Applicants
Niendorf, Thomas
;
Walther, Frank
)
Microstructure- and mechanism-correlated characterization of the corrosion fatigue behavior of the creep-resistant magnesium alloys DieMag422 and AE42
(Applicant
Walther, Frank
)
Microstructure-based understanding of the test frequency influence on the corrosion fatigue behaviour of austenite AISI 304L joints brazed with nickel based filler metal
(Applicant
Walther, Frank
)
Process parameters correlated characterization of the corrosion fatigue behavior of post-treated ZnAl-coated arc-sprayed systems
(Applicants
Biermann, Dirk
;
Tillmann, Wolfgang
;
Walther, Frank
)
Quantified evaluation of the influence of testing frequency on the fatigue behaviour of unalloyed steels for implementation in resource-efficient fatigue life prediction methods
(Applicants
Starke, Peter
;
Walther, Frank
)
Temperatureinfluss auf das Wechselverformungsverhalten der neuentwickelten Magnesium-Gusslegierungen MRI-153M und MRI-230D
(Applicant
Eifler, Dietmar
)
Wechselverformungsverhalten von hochbeanspruchten Eisenbahn-Radstählen im VHCF-Bereich
(Applicant
Eifler, Dietmar
)
Research Units
Current projects
Coordination Funds
(Applicant
Walther, Frank
)
FOR 5250: Mechanism-based characterization and modeling of permanent and bioresorbable implants with tailored functionality based on innovative in vivo, in vitro and in silico methods
(Spokesperson
Walther, Frank
)
Mechanism-based characterization of the fatigue and corrosion fatigue properties of addtively manufactured TPMS lattice structures under physiological conditions
(Applicant
Walther, Frank
)
Major Research Instrumentation
Completed projects
CLSM-AFM microscopy system for 3D-characterisation of material properties
Dual-tube X-ray system with in situ load unit
Electrodynamic axial-torsional fatigue testing system
Electron beam powder bed fusion system
FLM 3D printer system
Focused Ion Beam Rasterelektronenmikroskop (FIB-REM)
High-frequency fatigue testing system
High-speed camera system
High-speed thermography system
In-situ and ex-situ testing under pressurized hydrogen using an internal pressure testing system
In situ Atomic Force Microscope (in situ AFM)
Magneto-optical Kerr microscope with in situ tension-compression stage
Röntgendiffraktometer (XRD-System)
Servohydraulisches Hochgeschwindigkeitsprüfsystem 40/50kN
Servohydraulisches Schwingprüfsystem 250 kN
Priority Programmes
Current projects
Greybox model-based prediction of wear evolution of coated tools through experimental and model-driven identification of relevant loads
(Applicants
Walther, Frank
;
Zabel, Andreas
)
Iron-based structures of industrial heritage - Sensor-based and data-driven AI system for structural health monitoring of large-scale objects of industrial and cultural heritage
(Applicants
Prange, Michael
;
Walther, Frank
)
Methodology for holistic process chain analysis and modeling using the example of bipolar plate production
(Applicants
Psyk, Verena
;
Walther, Frank
)
Property control during spinning of metastable austenites
(Applicants
Homberg, Werner
;
Trächtler, Ansgar
;
Walther, Frank
)
Completed projects
Process-integrated measuring and control system for the determination and reliable generation of functionally relevant properties in surface edge zones during BTA deep-hole-drilling
(Applicants
Biermann, Dirk
;
Walther, Frank
;
Zabel, Andreas
)
Qualification of new steel-alloying strategies for LAM powders by combined in-situ additivation, agglomeration and in-/post-process treatments
(Applicants
Fechte-Heinen, Rainer
;
Theisen, Werner
;
Walther, Frank
)
Selective induction and stabilization of residual stresses in austenitic disc springs by incremental forming and integrated surface layer treatment
(Applicants
Buhl, Johannes
;
Walther, Frank
)
CRC/Transregios
Current projects
Measurement-based assessment and prediction of the interaction between ductile and cyclic damage on a macroscopic level
(Project Heads
Menzel, Andreas
;
Walther, Frank
)
Thermo-mechanical coupled damage model for operational loading conditions – predicting the operating time of formed components
(Project Heads
Kurzeja, Patrick
;
Mosler, Jörn
;
Walther, Frank
)
Completed projects
Measurement-based characterization and prediction of ductile and cyclic damage interaction at the macroscale
(Project Heads
Menzel, Andreas
;
Walther, Frank
)
Thermomechanically coupled damage model for operating loads – predicting service life of formed parts
(Project Heads
Kurzeja, Patrick
;
Mosler, Jörn
;
Walther, Frank
)
Major Instrumentation Initiatives
Completed projects
Computertomographic investigation and FE simulation of the impact of manufacturing process parameters and service conditions on the microstructure and the properties of selected material systems
(Applicant
Tillmann, Wolfgang
)
