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Department of Mechanical Engineering
[Translate to English:] © IUL

Basic research in forming technology

Completed projects

01/01/2021

Influencing the Evolution of Damage in Cold Extrusion

a) Experiments to determine the effect of load path changes and b) of heat treatments on damage
01/01/2021

Production of Sheets by Hot Extrusion of Aluminum Chips

Process chain for the production of chip-based sheets
01/01/2021

Damage in Sheet Metal Bending of Lightweight Profiles

Experiments on damage investigation in multi-stage sheet metal forming and hot sheet metal forming
01/01/2021

Passive Granular Medium-Based Tube Press Hardening

a) Process schematic, b) Required corner forming pressure, c) Cross section of a formed part
12/01/2020

Development of a Model to Predict Geometry Changes in Spring Manufacturing Based on Plasticity Theory Considering Heat Treatment

a) Process chain for the production of compression springs, b) Residual stresses in the wire cross section
09/01/2020

Analysis of the Application Potential of Roll-Clad MnB-Cr Steel Composites for Press Hardening

a) Hardness of the composite, b) Validation of the analytics
05/01/2020

Application and Analysis of Adiabatic Blanking

a) Comparison of strain localization, b) Effect of the strain rate sensitivity on forming energy
01/01/2020

Functionalization of Additively Manufactured Hot Stamping Tools Using Ball Burnishing

a) Surface properties, b-d) Additive manufacturing of cooling channels: procedure and preliminary tests
01/01/2020

Process for Manufacturing Composite Components by a Combination of Deep Drawing and Cold Forging

a-d) Process with counter holder, e) Asymmetrically and f) Symmetrically encapsulated component
01/01/2020

Property-Controlled Multi-Stage Hot Sheet Metal Forming

a) Closed-loop control and progressive die, b) Temperature drop during stretch drawing, c) Comparison of thinning
12/01/2019

Media-Based Profile Shaping and Kinematic Bending in a Continuous Process Using a Graded Temperature Field

a) Hot-Tube-Bulge-Test setup, b) Determined forming limits at 1000 °C including the strain paths
09/01/2019

Improvement of Product Properties by Selective Induction of Residual Stresses in Incremental Sheet Metal Forming

Comparative structural strength test with in-situ corrosion
07/01/2019

Kinematic Profile Bending with Locally Heated Cross Section

a) Process principle, b) Profile cross section after forming, c) Springback, d) Warping
07/01/2019

Production of Flange-Shaped Components by Cold Forging of Composite Hot Extruded Semi-Finished Products

a) Process sequence, b) Profile cross section with steel and copper as reinforcements, c) Process window aluminum − steel
07/01/2019

Influence of the Multiaxial Bauschinger Effect in Cold Forging

Numerically determined residual stress distribution in cold-extruded parts and comparison with experiments
01/01/2019

Composite Cold Forging of Cold-Forged Semi-Finished Parts

a) Process route for composite cold forging, b) Hollow demonstration part
07/01/2018

Forming by Locally Varying Vaporizing Actuators

Researched computation possibilities and selected experiment
01/01/2017

Analysis of Strain Path-Dependent Damage and Microstructure Development for the Numerical Design of Sheet-Bulk Metal Forming Processes

Evaluation of the accuracy of different damage models regarding the occurrence of failure
01/01/2017

Fundamental Research and Process Development for the Manufacturing of Load-Optimized Parts by Incremental Forming of Metal Sheets – Incremental Sheet-Bulk Metal Forming (iSBMF)

a) Schematic setup, b) Resulting current density, c) Measured impact on the forming force
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