This page provides information about the courses offered by the Metal Forming department in the winter semester 2025/26. If you have any questions about a specific course, please contact Dr.-Ing. Christian Overhagen.

Access to the moodle courses is granted by password which is mentioned in the lectures.

Grundlagen der Umformtechnik / Fundamentals of Metal Forming (Bachelor)

taught in German language

Discontinued lecture: If you are interested in this course, please register in advance by email at Dr.-Ing. Christian Overhagen.

Contents:

• Introduction to metal forming, classification of forming processes
• Elementary calculation of deformations
• Hot and cold flow curves of metallic materials
• Fundamentals: state of stress and equilibrum
• Yield criteria of metallic materials
• Fundamental modelling of forming processes: upsetting, forging, rolling, drawing

Umformtechnik / Metal Forming (Bachelor)

taught German language

To register for the lab, please contact Mr. Beuke by email at thilo.beuke@uni-due.

Contents of the lecture:

• Introduction to metal forming, classification of forming processes
• Fundamental calculation of deformations
• Hot and cold flow curves of metallic materials
• Technology of hot rolling of flat products (heavy plates and hot rolled strips)
• Technology of cold rolling of strips
• Technology of hot rolling of long products: bars, wire rod, sections
• Technology of open-die forging and drop forging
• Technology of further processing of wire rod (die drawing, roll drawing, cold rolling)
• Technology of extrusion processes

Design Theory 2 (Bachelor)

Taught in  English language

Contents:

• Failure theories of ductile and brittle materials
• Threaded  fasteners: Fundamentals, design, static and dynamic loading, flexibility and stiffness
• Hertzian pressure
• Form-fit connections: design, loading, durability 
• Force-fit connections: radial press fit, conical press fit
• Sliding bearings: design, calculation, temperature evolution
• Roller bearings: Design, selection, loadings, life time evaluation, lubrication
• Weld connections: Fundamentals, nominal stress theory, equivalent weld stress, design acc. to DS 95201
• Gearboxed: Fundamentals of toothing, multi-stage gearboxed, calculation of transmission, efficiency factors, speeds and torques, loading and durability of gears
• Belt and chain drives

Testing of Metallic Materials (Master)

taught in English language

The group assignment for the lab takes place in the Moodle course.

Contents of the lecture:

• Failure theories of ductile and brittle materials
• The tensile test: Fundamentals, standardization, samples, evaluation, formability and necking
• Der upsetting test: Fundamentals, samples, evaluation, elastic machine behaviour, determination of hot and cold flow curves
• Hardness testing of metallic materials: Fundamentals, standardization, testing devices
• The bending test: Fundamentals, standardization, evaluation
• The torsion test: Fundamentals, application, evaluation, determination of flow curves
• Toughness testing in the charpy impact bending test: Fundamentals, standardization, evaluation, mathematical description of test results
• Testing of forming characteristics for sheet metals: Flat tensile test, technological testing, cupping test, foming limit curves, deformation analysis

Plastomechanik und Umformverfahren / Theory of plasticity and forming processes (Master)

taught in German language

This lecture will from now on only take place in the winter semester.

The group assignment for the lab takes place in the Moodle course.

Contents of the lecture:

• Classification of forming processes, calculation of deformations
• State of stress and equilibrium
• Kinematics of material flow, velocity fields, criteria for kinematic admissibility
• Fundamental material modeling with flow curve functions
• Yield criteria of metallic materials
• Flow rule acc. to Levý - v. Mises
• Slab method theory with applications to forming processes (strip theory: rolling and plane-strain forging, tube theory: upsetting of full cylinders, disc theory: wire drawing and tube drawing)
• Calculation of processing forces at drawing of rounds and sections
• Higher theory of plasticity: Upper bound on forming power, Slip line field theory
• Fundamentals of the finite element method in metal forming