32nd LEDEBUR COLLOQUIUM in Freiberg on 26 and 27 October 2023

The Foundry Institute of the TU Bergakademie invites you to the big meeting in Saxony again.

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Those responsible at the Foundry Institute of the TU Bergakademie Freiberg, Prof. Dr.-Ing. Gotthard Wolf and Dr.-Ing. Claudia Dommaschk, have once again prepared an interesting programme of lectures and are pleased to invite graduates and interested colleagues to the 32nd Ledebur Colloquium on 26 and 27 October 2023 at the Foundry Institute in Freiberg!

In addition to the interesting technical lectures, social exchange should of course also be supported, and the Foundry Evening offers the best conditions for refreshing common memories, exchanging news and making contacts.

Here is the date and the programme to remember and register for:

32nd Ledebur Colloquium in Freiberg
Thursday 26 October 2023

11.00  Guided tour of the institute

13.00  Prof. Gotthard Wolf TU Bergakademie Freiberg, Foundry Institute


13.15 Dr. Christiane Heunisch-Grotz HEUNISCH Foundry GmbH, Bad Windsheim Do we actually still want energy-intensive companies in Germany?

13.45 Dr. Wolfram Baer Federal Institute for Materials Research and Testing, Berlin What you always wanted to know about chunky graphite but didn't dare to ask until now?

14.15 Break

14.45 Thomas Achenbach Krämer + Grebe GmbH & Co. KG, Biedenkopf Tool-side solutions for resource conservation and wear optimisation in the production of sand cores

15.15 Cathrine Hartung Elkem Silicon Products, Norway Interaction between boron and pearlite-promoting elements in GJS

15.45  Prof. Michal Szucki TU Bergakademie Freiberg, Foundry Institute Removal of iron from aluminium melts

16.15 Ceremonial farewell of the graduates, presentation of awards and appointment of the honorary foundryman

16.45 Annual meeting of the "Verein Fachschaft der Freiberger Gießer e. V." (Association of Foundrymen of Freiberg)

19.00 Student council evening at TIVOLI in Freiberg, admission from 6.00 p.m.

Friday 27 October 2023

9.00 Stefan Meutzner Zalewa Tec GbR, Großschirma Possibilities and limitations of sand-printed models

9.30  Dr. Christoph Bleicher Fraunhofer Institute for Structural Durability and System Reliability LBF, Darmstadt Evaluating and designing the reliability of cast iron components

10.00 Torsten Moczigemba Saxon State Office for the Environment, Agriculture and Geology, Dresden Influence on emissions and odours in iron casting

10.30 Prof. Wolfram Volk*, Constantin Bauer TU Munich, UTG Fibre optic sensors in foundry technology: Application examples and potentials

11.00 Break

11.30 Maximilian Kombächer Meissner AG, Biedenkopf-Wallau Automation in the foundry environment

12.00 Florian Mrugalla TU Bergakademie Freiberg, Foundry Institute Fine, finer, FineSteel - Grain refinement of cast steel

12.20 Lukas Mastaler TU Bergakademie Freiberg, Foundry Institute Decarbonisation in Thermoprocess Technology: The UHT Thermo-Jet

12.40 Mengmeng ZhangTU Bergakademie Freiberg, Foundry Institute Photometric bentonite content determination of green sand regrinds

13:00 Eric Schramm TU Bergakademie Freiberg, Foundry Institute Lighter braking - particle-reinforced aluminium alloys for automotive brake discs

13:20 Farewell

Registration, information and details at:
Ms Hille: 0049 3731-39-4191, Diana.Hille(at)


Company Info

TU Bergakademie Freiberg Gießerei Institut

Akademiestraße 6
09596 Freiberg

Telephone: +493731390