Dr.-Ing. Philipp Lechner

Postdoctoral Researcher

Phone:    +49 (0)89 / 289 - 13984
E-Mail:    philipp.lechner@utg.de
Room:     0445

Dissertation (2021)

A Material Model for Foundry Cores - The Brittle Fracture Behaviour of Chemically-Bound Foundry Cores

ORCID iD

Research and Work Focus

  • Member of the management board
  • Responsibility and coordination of the research field „Data-based Material Modelling and Process Control"
    • Material modelling
    • Data-based modelling
    • Process monitoring
    • Process control
    • Additive manufacturing
  • Process modelling for the casting industry
  • Acoustic analysis
  • Characterization of foundry core materials

Within the research field "Data-based Material Modelling and Process Control" Dr. Lechner is responsible for the following research projects:

Project Title

 

Person in Charge

Sponsors

Info

Property-Controlled Process Design of Freeform Bending taking into Account the Semi-Finished Product Properties   Daniel Maier, M.Sc. DFG PDF

Investigation of the Influence of Batch Variations on the Springback Behavior of Spring Steels using a Process-Integrated Inline Measurement Concept

 

Lucas Böhm, M.Sc.

FSV/AiF

 

Development of a material model for gas generation in inorganic foundry sands

 

Simon Kammerloher, M.Sc.
Benedikt Kirchebner, M.Sc.

DFG

PDF

"Incremental Casting": Support Material and Close-Loop Control of Layer Height for Direct Metal Printing with Aluminum - Project Continuation

 

Benedikt Kirchebner, M.Sc.

DFG

PDF

Additive processing of copper materials in the Material Jetting process

 

Maximilian Plötz, M.Sc.

AiF

PDF

Publications

2022

  • Gruber, M.; Spörer, T.; Illgen, C.; Frint, P.; Wagner, M. F.-X.; Lechner, P.; Volk, W.: Effect of Equal-Channel Angular Pressing and Targeted Heat Treatment on Aluminum AA7075 Sheet Metal. In: Characterization of Minerals, Metals, and Materials 2022. Springer International Publishing, 2022, 25-36 more…
  • Lechner, P.; Reberger, E.; Gruber, M.; Kammerloher, S.; Hartmann, C.; Volk, W.: Localization of Cavities in Cast Components via Impulse Excitation and a Finite Element Analysis. Production Engineering, 2022 more…
  • Maier, D.; Kerpen, C.; Werner, M.K.; Scandola, L.; Lechner, P.; Stebner, S.C.; Ismail, A.; Lohmann, B.; Münstermann, S.; Volk, W.: Development of a partial heating system for freeform bending with movable die. Proceedings on Hot Sheet Metal forming of High-Performance Steel, 20228th International Conference, 767-774 more…

2021

  • Ettemeyer, Florian; Schweinefuß, Maria; Lechner, Philipp; Stahl, Jens; Greß, Thomas; Kaindl, Johannes; Durach, Linus; Volk, Wolfram; Günther, Daniel: Characterisation of the decoring behaviour of inorganically bound cast-in sand cores for light metal casting. Journal of Materials Processing Technology 296, 2021, 117201 more…
  • Hartmann, C.; Weiss, H.A.; Lechner, P.; Volk, W.; Neumayer, S.; Fitschen, J.H.; Steidl, G.: Measurement of strain, strain rate and crack evolution in shear cutting. Journal of Materials Processing Technology 288, 2021, 116872 more…
  • Kammerloher, Simon; Hoyer, Julika; Lechner, Philipp; Mittler, Tim; Volk, Wolfram: A Method for Characterising the Influence of Casting Parameters on the Metallurgical Bonding of Copper and Steel Bimetals. Materials 14 (20), 2021, 6223 more…
  • Kirchebner, Benedikt; Ploetz, Maximilian; Rehekampff, Christoph; Lechner, Philipp; Volk, Wolfram: Influence of Salt Support Structures on Material Jetted Aluminum Parts. Materials 14 (15), 2021, 4072 more…
  • Kirchebner, Benedikt; Rehekampff, Christoph; Tröndle, Martin; Lechner, Philipp; Volk, Wolfram: Analysis of salts for use as support structure in metal material jetting. Production Engineering, 2021 more…
  • Lechner, P.; Hartmann, C.; Ettemeyer, F.; Volk, W.: A Plane Stress Failure Criterion for Inorganically-Bound Core Materials. Materials 14 (2), 2021 more…
  • Lechner, Philipp; Heinle, Philipp; Hartmann, Christoph; Bauer, Constantin; Kirchebner, Benedikt; Dobmeier, Fabian; Volk, Wolfram: Feasibility of Acoustic Print Head Monitoring for Binder Jetting Processes with Artificial Neural Networks. Applied Sciences 11 (22), 2021, 10672 more…
  • Lechner, Philipp; Stahl, Jens; Hartmann, Christoph; Ettemeyer, Florian; Volk, Wolfram: Mohr–Coulomb characterisation of inorganically-bound core materials. Journal of Materials Processing Technology 296, 2021, 117214 more…

2020

  • Ettemeyer, Florian; Lechner, Philipp; Hofmann, Tobias; Andrä, Heiko; Schneider, Matti; Grund, Dominik; Volk, Wolfram; Günther, Daniel: Digital sand core physics: Predicting physical properties of sand cores by simulations on digital microstructures. International Journal of Solids and Structures 188-189, 2020, 155-168 more…
  • Lechner, P.; Ettemeyer, F.; Volk, W.: Ein mechanisches Bruchmodell für wasserglas-gebundene Formstoffe. Formstoff-Forum, 2020 more…
  • Lechner, P.; Fuchs, G.; Hartmann, C.; Steinlehner, F.; Ettemeyer, F.; Volk, W.: Acoustical and Optical Determination of Mechanical Properties of Inorganically-Bound Foundry Core. Materials (13), 2020 more…
  • Lechner, Philipp; Fuchs, Georg; Hartmann, Christoph; Steinlehner, Florian; Ettemeyer, Florian; Volk, Wolfram: Acoustical and Optical Determination of Mechanical Properties of Inorganically-Bound Foundry Core Materials. Materials 13 (11), 2020, 2531 more…

2019

  • Hartmann, C.; Lechner, P.; Himmel, B.; Krieger, Y.; Lueth, T.C.; Volk, W.: Compensation for Geometrical Deviations in Additive Manufacturing. MDPI Technologies 7, 2019, 1-13 more…
  • Lechner, P.; Filippov, P.; Kraschienski, N.; Ettemeyer, F.; Volk, W.: A Novel Method for Measuring Elastic Modulus of Foundry Silicate Binders. International Journal of Metalcasting, 2019, 1-9 more…

2018

  • Ettemeyer, F.; Steinlehner, F.; Lechner, P.; Volk, W.; Günther, D.: Detection of Core Fracture in Inorganically Bound Cast-in Sand Cores by Acoustic Microphony. Congress of the German Academic Association for Production Technology, 2018, 34-43 more…
  • Ettemeyer, Florian; Steinlehner, Florian; Lechner, Philipp; Volk, Wolfram; Günther, Daniel: Detection of Core Fracture in Inorganically Bound Cast-in Sand Cores by Acoustic Microphony. In: Advances in Production Research. Springer International Publishing, 2018 more…
  • Lechner, P.; Ettemeyer, F.; Volk, W.; Schneider, M.; Hofmann, T.; Andrä, H.: Mikrostrukturbasierte Vorhersage von Materialeigenschaften anorganischer Formstoffe. Formstoff-Forum, 2018 more…
  • Lechner, P.; Stahl, J.; Ettemeyer, F.; Himmel, B.; Tananau-Blumenschein, B.; Volk, W.: Fracture Statistics for Inorganically-Bound Core Materials. Materials (11), 2018, 1996-1944 more…
  • Schneider, M.; Hofmann, T.; Andrä, H.; Lechner, P.; Ettemeyer, F.; Volk, W.; Steeb, H.: Modelling the microstructure and computing effective elastic properties of sand core materials. International Journal of Solids and Structures, 2018 more…

2017

  • Volk, W.; Baumgartner, G.; Lechner, P.; Ettemeyer, F.: Prognose von Werkstoffeigenschaften mit Hilfe einer Mikrostrukturanalyse im Bereich des Kokillengusses und anorganischer Formstoffe. Deutscher Gießereitag, 2017 more…