Mathias Liewald MBA

Liewald, M., Vogel-Heuser, B., Bergs, T., Huber, M., & Kröger, P. (2025). Advancing data-driven process modeling in metal forming. At - Automatisierungstechnik, 73, Article 3. https://doi.org/doi:10.1515/auto-2024-0118

Speth, M., Liewald, M., & Riedmueller, K. R. (2025). Applying Object Detection for In-Situ Prediction of the Internal Temperature Distribution of Inductively Heated Semi-Solid Metal Billets. In L. Edwards (Ed.), Light Metals 2025 (No. February 2004; Vol. 3, pp. 274–279). Springer Nature Switzerland. https://doi.org/10.1007/978-3-031-80676-6_36

Groetzinger, K. C. (2025). Verbundfliesspressen von Aluminiumhybridbauteilen in Prozesssfolgen (F. Verlag, Ed.).

Vogel-Heuser, B., Zhang, M., Krueger, M., Vicaria, A., Gardill, M., Jiang, Y., Trächtler, A., Peters, H., Liewald, M., Schenek, A., Heinzelmann, P., & Weyrich, M. (2025). DSL4DPiFS – Eine Grafische Notation zur Modellierung von Daten-Pipelines in der Umformtechnik. At-Automatisierungstechnik, 73, Article 4. https://doi.org/10.1515/auto-2024-0114

Rekowski, M., Goetzinger, K., Schott, A., & Liewald, M. (2024). Thin-film sensors for data-driven concentricity prediction in cup backward extrusion. CIRP Ann. Manuf. Technol., Article 73. https://doi.org/10.1016/j.cirp.2024.04.035

Tchasse, P., Schenek, A., Riedmüller, K. R., & Liewald, M. (2024). Detection of Defective Deep Drawn Sheet Metal Parts by Using Machine Learning Methods for Image Classification. Production at the Leading Edge of Technology, 84–93. https://doi.org/10.1007/978-3-031-47394-4_9

Heinzelmann, P., Görz, M., Riedmüller, K. R., & Liewald, M. (2024). A strategy for minimizing the computational time of simulations involving near-surface embossing of sheet metal materials. Material Forming: ESAFORM 2024, 41, 2262–2270. https://doi.org/10.21741/9781644903131-249

Briesenick, D., & Liewald, M. (2024). Efficient net shape forming of high-strength sheet metal parts by Transversal Compression Drawing. The International Journal of Advanced Manufacturing Technology, 130, Article 5–6. https://doi.org/10.1007/s00170-023-12880-2

Bachmann, M., Göbel, R., Riedmüller, K. R., & Liewald, M. (2024). Influence of Welding Tool Material and Type of Joint on the Formability of Friction Stir Welded Tailored Blanks. In S. Wagstaff (Ed.), The Minerals, Metals & Materials Series (pp. 306–312). Springer Nature Switzerland. https://doi.org/10.1007/978-3-031-50308-5_40

Briesenick, D., Liewald, M., & Heinzelmann, P. (2024). Plate Roll Embossing Process - The Efficient and Flexible Embossing of Sheet Metals. In K. Mocellin, P.-O. Bouchard, R. Bigot, & T. Balan (Eds.), Proceedings of the 14th International Conference on the Technology of Plasticity - Current Trends in the Technology of Plasticity (1st ed. 2024, pp. 78–89). Springer Nature Switzerland. https://doi.org/10.1007/978-3-031-40920-2_9

Beygelzimer, Y., Groetzinger, K. C., Liewald, M., Estrin, Y., & Kulagin, R. (2024). The ``third body″ approach to joining of metals by simple shear under pressure. https://doi.org/10.5445/IR/1000170651

Bauernhansl, T., Verl, A., Liewald, M., & Möhring, H.-C. (2023). Production at the leading edge of technology (1 ed.). Springer International Publishing.

Briesenick, D., Beck, M., Riedmueller, K. R., & Liewald, M. (2023, October). Numerical study on a new forming method for manufacturing large metallic bipolar plates. 14th European LS-DYNA Conference, Baden-Baden, Germany.

Speth, M., Riedmüller, K. R., & Liewald, M. (2023). Influence of Reinforcement Particle Parameters on the Homogeneity of Particle Distribution in Semi-Solid Formed Aluminium Matrix Composites. Solid State Phenomena, 347, 39–45. https://doi.org/10.4028/p-Z0BhRH

Reichle, P., Reichardt, G., Henn, M., Umlauf, G., Barz, J., Riedmüller, K. R., Liewald, M., & Tovar, G. E. M. (2023). Volatile Lubricants Injected Through Laser Drilled Micro Holes Enable Efficiently Hydrocarbon-Free Lubrication for Deep Drawing Processes. Int. J. Precis. Eng. Manuf.-Green Technol., 10, Article 4. https://doi.org/10.1007/s40684-023-00505-8

Speth, M., Riedmueller, K. R., & Liewald, M. (2023). Study on mixing behaviour of aluminium-ceramic powder having high SiC volume fractions up to 50 vol.\%. Functional Composite Materials, 4, Article 1. https://doi.org/10.1186/s42252-023-00045-z

Schenek, A., Görz, M., Liewald, M., & Riedmüller, K. R. (2023). Application of a neural network for predicting the cutting surface quality of punching processes based on tooling parameters. IOP Conference Series: Materials Science and Engineering, 1284, Article 1. https://doi.org/10.1088/1757-899X/1284/1/012014

Deliktas, T. (2023). Numerical study on cold extrusion of gears varying the extrusion shoulder geometry. Materials Research Proceedings, 28, 495–504. https://doi.org/10.21741/9781644902479-54

Reichardt, G., Liewald, M., & Riedmüller, K. (2023). A study on economic tooling concepts for dry deep-drawing using environmentally benign volatile lubricants. Sheet Metal 2023 (SheMet) - Materials Research Proceedings, 25, 405–412. https://doi.org/10.21741/9781644902417-50

Bachmann, M., Riedmüller, K. R., Liewald, M., & Merten, M. (2023). Modelling of the weld seam in the forming simulation of friction stir welded tailored blanks (Vol. 28). https://doi.org/10.21741/9781644902479-118

Liewald, M., Riedmueller, K., Speth, M., & Nezic, N. (2023). Development of a new method utilizing semi-solid aluminum wires for extrusion based additive manufacturing. In Materials Research Proceedings (pp. 75–84). Materials Research Forum LLC. https://doi.org/10.21741/9781644902479-9

Beck, M., Riedmüller, K. R., Liewald, M., Bertz, A., Aslan, M. J., & Carl, D. (2023). Investigation on the Influence of Geometric Parameters on the Dimensional Accuracy of High-Precision Embossed Metallic Bipolar Plates. In M. Liewald, A. Verl, T. Bauernhansl, & H.-C. Möhring (Eds.), Production at the leading edge of technology (pp. 427–438). Springer International Publishing. https://doi.org/10.1007/978-3-031-18318-8_44

Görz, M., Schenek, A., Liewald, M., & Riedmüller, K. R. (2023). Evaluation of Feature Engineering Methods for the Prediction of Sheet Metal Properties from Punching Force Curves by an Artificial Neural Network. Characterization of Minerals, Metals, and Materials 2023, 75–88. https://doi.org/10.1007/978-3-031-22576-5_8

Meissner, R. (2023). Beitrag zur Bestimmung der statischen Torsionsfestigkeit von umformgefuegten Welle-Nabe-Verbindungen (I. f. U. Universitaet Stuttgart, Ed.).

Grötzinger, K. C., Kotzyba, P., Hering, O., Liewald, M., & Tekkaya, A. E. (2023). Predicting the bond characteristics of aluminum compounds during composite hot extrusion and subsequent cold forging using numerical simulation.

M., B., K., R., M., L., & R., G. (2023). Influence of the tool conditions on the quality and fromability of friction stir welded Tailored Blanks.

Weiß, A., & Liewald, M. (2023). Cold forging of hollow shafts with variable wall thickness by means of an adjustable forming zone. Proceedings of the 14th International Conference on Numerical Methods in Industrial Forming (NUMIFORM).

Heinzelmann, P., Briesenick, D., & Liewald, M. (2023). Characterization of the Mechanical Properties of Selectively Embossed Sheet Metal Materials Under Multi-Axial Loads (No. 1). 1284, Article 1. https://doi.org/10.1088/1757-899X/1284/1/012043

Alba, D., Reitinger, P., Bonten, C., & Liewald, M. (2023). Studies on manufacturing polymer-metal hybrid components through integrated bulk forming. Production at the Leading Edge of Technology, 579–588. https://doi.org/10.1007/978-3-031-47394-4_56

Boehm, J., Liewald, M., & Clauß, P. (2023). Study on Scrap Reduction in Cold Forging during Ramp-up Phases through Actuator Control. 326–334. https://doi.org/10.1007/978-3-031-47394-4_32

Grötzinger, K. C., Schott, A., Rekowski, M., Ehrbrecht, B., & Liewald, M. (2023). Compensation of elastic deformation influence on thin-film sensor applied on cold forging punch.

Grötzinger, K. C., Kulagin, R., Gerasimov, D., & Liewald, M. (2023). Analysis of forming limits during cold forging of aluminum hybrid billets.

Meissner, R. (2023). Beitrag zur Bestimmung der statischen Torsionsfestigkeit von umformgefügten Welle-Nabe-Verbindungen (I. f. U. Universitaet Stuttgart, Ed.). http://dx.doi.org/10.18419/opus-13651

Schenek, A., Görz, M., Liewald, M., & Riedmüller, K. R. (2023). Prediction of Cutting Surface Parameters in Punching Processes Aided by Machine Learning. TMS 2023 152nd Annual Meeting & Exhibition Supplemental Proceedings, 607–619. https://doi.org/10.1007/978-3-031-22524-6_54

Grötzinger, K. C., Kulagin, R., Gerasimov, D., & Liewald, M. (2023). Consideration of shear deformation during joining by forming.

Weiß, A., Felde, A., Liewald, M., & Zerfaß, H. (2023). Beneficial effect of stress superposition on damage reduction in trimming processes. Materials Research Proceedings, 28, 611–620. https://doi.org/10.21741/9781644902479-66

Heinzelmannn, P., Briesenick, D., & Liewald, M. (2023). Modifying mechanical properties of sheet metal materials by work hardening mechanisms induced by selective embossing. In Lukasz Madej, Mateusz Sitko, Konrad Perzynski (Ed.), Material Forming (pp. 951–958). Materials Research Forum LLC. https://doi.org/10.21741/9781644902479-104

Brix, P., Liewald, M., & Kuenzel, M. :. (2023). Digitizaton of the manufacturing process chain of forming and joining by means of metamodeling.

Brix, P., Liewald, M., & Kuenzel, M. (2023). Stochastic simulation process chain for predicting springback variations of sheet metal parts and sheet metal assemblies.

Grötzinger, K. C., Schott, A., Rekowski, M., Ehrbrecht, B., Gerasimov, D., & Liewald, M. (2023). Analysis of tool heating in cold forging using thin-film sensors. 28, 2027–2036. https://doi.org/10.21741/9781644902479-218

Schenek, A., Senn, S., & Liewald, M. (2023). Numerical and Experimental Investigations to Increase Cutting Surface Quality by an Optimized Punch Design. In M. Liewald, A. Verl, T. Bauernhansl, & H.-C. Möhring (Eds.), Production at the Leading Edge of Technology (pp. 179–188). Springer International Publishing. https://doi.org/10.1007/978-3-031-18318-8_19

Schenek, A., Senn, S., & Liewald, M. (2023). Erhöhung der Schnittflächenqualität mittels Hohlschneiden. Europäische Forschungsgesellschaft für Blechverarbeitung e.V. (EFB). https://www.efb.de/efb-forschungsbericht-nr-593.html

Alba, D., Weiß, A., & Liewald, M. (2023). Preform optimization for manufacturing process of metal-polymer hybrid components through in tandem forming.

Görz, M., Thissen, S., Clauß, P., Rouven Riedmüller, K., Liewald, M., & Middendorf, P. (2023). Herstellung von zellulären Faltstrukturen aus Blech. Zeitschrift Für Wirtschaftlichen Fabrikbetrieb, 118, Article 9. https://doi.org/10.1515/zwf-2023-1113

Speth, M., Heine, J., Riedmüller, K. R., & Liewald, M. (2022). Modelling of Ceramic Particle Motion during Semi-Solid Forming of Aluminium Matrix Composites via CFD-DEM Four-Way Coupling. Key Engineering Materials, 926, 2303–2311. https://doi.org/10.4028/p-xz23in

Schenek, A., Görz, M., Liewald, M., & Riedmüller, K. R. (2022). Data-driven derivation of sheet metal properties gained from punching forces using an artificial neural network. Key Engineering Materials, 926, 2174–2182. https://doi.org/10.4028/p-41602a

Reichardt, G., Henn, M., Reichle, P., Umlauf, G., Riedmüller, K., Weber, R., Barz, J., Liewald, M., Graf, T., & Tovar, G. E. M. (2022). Friction and wear behavior of deep drawing tools using volatile lubricants injected through laser-drilled micro-holes. Jom, 74, Article 3. https://doi.org/10.1007/s11837-021-05028-8

Schomer, L., Riedmüller, K. R., & Liewald, M. (2022). Bending Strength and Fracture Behaviour of Metal-Ceramic Interpenetrating Phase Composites Manufactured by Using Semi-Solid Forming Technology. Solid State Phenomena, 327, 111–116. https://doi.org/10.4028/www.scientific.net/SSP.327.111

Speth, M., Liewald, M., Riedmüller, K. R., & Schomer, L. (2022). Manufacturing of Hybrid Al-Cu-Heatsinks by Combining Powder Pressing with Thixoforming. Solid State Phenomena, 327, 231–237. https://doi.org/10.4028/www.scientific.net/SSP.327.231

Görz, M., Radonjic, R., Liewald, M., & Riedmüller, K. R. (2022). Tiefziehen mit kraftgebundenen Umformmaschinen/Deep drawing with force-controlled forming machines. Wt Werkstattstechnik Online, 112, Article 10. http://dx.doi.org/10.37544/1436-4980-2022-10-25

Karadogan, C., Görz, M., Liewald, M., & Bühler, M. (2022). An alternative time-based strategy for the evaluation of forming limits using optical experimental measurements. IOP Conference Series: Materials Science and Engineering, 1238, Article 1. https://doi.org/10.1088/1757-899X/1238/1/012045

Liewald, M., Briesenick, D., Senn, S., & Schenek, A. (2022). Shearing of sheet metal under special attention of compressive stresses. Proceedings of the 41st SENAFOR Conference.

Briesenick, D., Liewald, M., & Senn, S. (2022). Improvement of shear cutting process by stress superposition via cross-elastic partholder. IOP Conference Series: Materials Science and Engineering, 1238, Article 1. https://doi.org/10.1088/1757-899X/1238/1/012027

Liewald, M., Bergs, T., Groche, P., Behrens, B.-A., Briesenick, D., Müller, M., Niemietz, P., Kubik, C., & Müller, F. (2022). Perspectives on data-driven models and its potentials in metal forming and blanking technologies. Production Engineering, 16, Article 5. https://doi.org/10.1007/s11740-022-01115-0

Briesenick, D., Liewald, Mathias., Walzer, S., & Heinzelmann, P. (2022). Manufacturing of high strength sheet metal parts with enhanced mechanical properties by using tailored embossed blankse. 6th International Conference on Steels in Cars and Trucks.

Briesenick, D., & Liewald, M. (2022). Multistage Deep-Drawing with Alternating Blank Draw-in for Springback Reduction in Transfer and Progressive Dies. Key Engineering Materials, 926, 674–682. https://doi.org/10.4028/p-25ow1x

M., B., K., R., M., L., & J., S. (2022). Leightweight potential and crash performance of friction stir welded Tailored Blanks.

Weiß, A., Arny, M., & Liewald, M. (2022). Impact of a Splined Mandrel Geometry on Die Filling in a Cold Forging Process with Adjustable Deformation Zone. Key Engineering Materials, 926, 612–620. https://doi.org/10.4028/p-aynwq8

Weiß, A., Weiß, A., Waldhof, M., Schmid, M., Liewald, M., & Parspour, N. (2022). New design approach of an electromagnetic composite material for electrical machines based on compacted recycled sheet metal scrap. Forming Technology Forum.

Simon, N., Erdle, H., Walzer, S., Gibmeier, J., Böhlke, T., & Liewald, M. (2021). Residual stresses in deep-drawn cups made of duplex stainless steel X2CrNiN23-4. Forschung Im Ingenieurwesen, 85, Article 3. https://doi.org/10.1007/s10010-021-00497-4

Kotzyba, P., Grötzinger, K. C., Hering, O., Liewald, M., & Tekkaya, A. E. (2021). Introduction of composite hot extrusion with tubular reinforcements for subsequent cold forging. Production at the Leading Edge of Technology, 193–201. https://doi.org/10.1007/978-3-662-62138-7_20

Briesenick, D., Liewald, M., & Riedmueller, K. R. (2021). New sheet metal forming process for springback reduction by continuous stress superposition. IOP Conference Series: Materials Science and Engineering, 1157, Article 1. https://doi.org/10.1088/1757-899X/1157/1/012030

Karadogan, C., Cyron, P., & Liewald, M. (2021). Potential use of machine learning to determine yield locus parameters. IOP Conference Series: Materials Science and Engineering, 1157, Article 1. https://doi.org/10.1088/1757-899X/1157/1/012064

Cyron, P., & Liewald, M. (2021). Prediction and assessment of skid line formation during deep drawing of sheet metal components by using FEM simulation. IOP Conference Series: Materials Science and Engineering, 1157, Article 1. https://doi.org/10.1088/1757-899X/1157/1/012096

Deliktas, T., Liewald, M., & Nezic, N. (2021, April). Contribution to process digitisation of cold forging processes using additive manufactured tools. Proceedings of ESAFORM. https://doi.org/10.25518/esaform21.1931

Weiss, A., & Liewald, M. (2021). Numerical investigation of a new production method for face gearings incorporating material predistribution -- pin-to-gear method. ESAFORM 2021.

Essig, P., Liewald, M., Burkart, M., & Beck, M. (2021, April). Modelling real contact areas caused by material straining effects in sheet metal forming simulation. Proceedings of ESAFORM. https://doi.org/10.25518/esaform21.1954

Liewald, M., Karadogan, C., Felde, A., Jazdi, N., Lindemann, B., & Weyrich, M. (2021). Werkstückverfolgung und adaptive Steuerung beim Gesenkschmieden. massivUMFORUMUNG, 24–28.

Schenek, A., & Liewald, M. (2021). Punching with a slant angle - cutting surface quality. Proceedings of ESAFORM.

Walzer, S., Simon, N., Liewald, M., & Gibmeier, J. (2021). Local Creation of Uniform Residual Stresses Into Sheet Metal Components by Means of Multiple One-Side Embossing. In G. Daehn, J. Cao, B. Kinsey, E. Tekkaya, A. Vivek, & Y. Yoshida (Eds.), ICTP (pp. 2357–2368). Springer Nature Switzerland AG. https://doi.org/10.1007/978-3-030-75381-8_197

Reichardt, G., Henn, M., Reichle, P., Hemming, D., Umlauf, G., Riedmüller, K., Weber, R., Barz, J., Liewald, M., Graf, T., & Tovar, G. E. M. (2021). Investigations on the Process Stability of Dry Deep Drawing with Volatile Lubricants Injected Through Laser-Drilled Microholes. TMS 2021 150th Annual Meeting & Exhibition Supplemental Proceedings, 230–246. https://doi.org/10.1007/978-3-030-65261-6

Weiß, A., & Liewald, M. (2021). Flexible Fertigung maßgeschneiderter Hohlwellen – Werkzeug und simulative Untersuchung zur Fertigung von Hohlwellen mit Wanddickenvariation. Wt Werkstattstechnik Online, 111, Article 10.

Briesenick, D., Walzer, S., & Liewald, M. (2021). Study on the Effect of Embossing on the Bending Properties of High-Strength Sheet Metals. In G. Daehn, J. Cao, B. Kinsey, E. Tekkaya, A. Vivek, & Y. Yoshida (Eds.), Forming the Future, The Minerals, Metals & Materials Series (pp. 2585–2595). Springer Nature Switzerland AG. https://doi.org/10.1007/978-3-030-75381-8_213

Briesenick, D., & Liewald, M. (2021). Rückfederungskompensation mittels Tiefziehen mit wechselseitigem Platineneinlauf: Vol. Nr. 563. Europäische Forschungsgesellschaft für Blechverarbeitung e.V. (EFB).

Grötzinger, K. C., Benko, K., Kotzyba, P., Hering, O., Liewald, M., & Tekkaya, A. E. (2021). Manufacture of hybrid components with tubular reinforcement by composite hot extrusion and subsequent cold forging. In U. Prahl & G. Korpala (Eds.), The Metal Foming Conference - MEFORM (pp. 93–98).

Kotzyba, P., Grötzinger, K. C., Hering, O., Liewald, M., & Tekkaya, A. E. (2021). Production at the leading edge of technology. In B.-A. Behrens, A. Brosius, W. Hintze, S. Ihlenfeldt, & J. P. Wulfsberg (Eds.), Proceedings of the 10th Congress of the German Academic Association for Production Technology (WGP) (pp. 193–201). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-662-62138-7

Speth, M., Liewald, M., & Riedmüller, K. R. (2021). Thermal Properties of Hybrid Al–Cu-Components Produced by Combining Powder Pressing and Semi-solid Forming Strategies. In L. Perander (Ed.), Light Metals 2021 (pp. 126–131). Springer International Publishing. https://doi.org/10.1007/978-3-030-65396-5_19

Liewald, M., & Schenek, A. (2021). Production of Thin Outer Skin Car Body Panels by Using Novel Short Cycle Stretch-Forming (SCS) Technology. In P. Weißgraeber, F. Heieck, & C. Ackermann (Eds.), Advances in Automotive Production Technology -- Theory and Application (pp. 286–292). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-662-62962-8_33

Heinzelmann, P., Spreng, F., Sollich, D., Eberhard, P., & Williams, J. R. (2021). Analysis of the SPH interpolation moments matrix with regard to the influences of the discretization error in adaptive simulations. Universität Stuttgart. https://doi.org/10.18419/OPUS-11504

Walzer, S., Liewald, M., Simon, N., Gibmeier, J., Erdle, H., & Böhlke, T. (2021). Improvement of sheet metal properties by inducing residual stresses into sheet metal components by embossing & reforming. Applied Science and Engineering Progress.

Radonjic, R., & Liewald, M. (2021). Compensating the springback of ultra-high-strength steel parts by specific stress superposition during sheet metal forming. IOP Conference Series: Materials Science and Engineering, 1157. https://iopscience.iop.org/article/10.1088/1757-899X/1157/1/012037

Liewald, M., Wörz, C., & Riedmüller, K. R. (2021). Characterization of a novel aerostatic lubrication system for deep drawing processes. CIRP Annals, 70, Article 1. https://doi.org/10.1016/j.cirp.2021.03.013

Schenek, A., & Liewald, M. (2021). Scherschneiden – Auslegung von Schneidkantenradien. WT WerkstattsTechnik, Article 10. https://doi.org/10.37544/1436–4980–2021–10

Weiß, A., & Liewald, M. (2021). Flexible Fertigung maßgeschneiderter Hohlwellen. Wt Werkstattstechnik Online, 111, Article 10. https://doi.org/10.37544/1436

Burkart, M., Essig, P., Liewald, M., Beck, M., & Mueller, M. (2020). Compensation of elastic die and press deformations during sheet metal forming by optimizing blank holder design. IOP Conference Series: Materials Science and Engineering, 967, 10. https://doi.org/10.1088/1757-899X/967/1/012074

Schomer, L., Speth, M., Nezic, N., & Liewald, M. (2020). Herstellung von hybriden Durchdringungswerkstoffen mittels der Formgebung im teilflüssigen Zustand. ZWF Zeitschrift Für Wirtschaftlichen Fabrikbetrieb, 115, Article 11. https://doi.org/10.3139/104.112393

Fann, K. J., & Liewald, M. (2020). Finite Element Study on Pattern of Pins Supporting an Elastic Blankholder Used for Stamping Irregular Shaped Sheet Metal Parts. IOP Conference Series: Materials Science and Engineering, 967, 12002. https://doi.org/10.1088/1757-899X/967/1/012002

Weiß, A., Deliktas, T., Liewald, M., & Missal, N. (2020). Cold forging of gear components by a modified Samanta process. Forschung Im Ingenieurwesen, 84, Article 3. https://doi.org/10.1007/s10010-020-00403-4

Henn, M., Reichardt, G., Weber, R., Graf, T., & Liewald, M. (2020). Dry Metal Forming Using Volatile Lubricants Injected into the Forming Tool Through Flow-Optimized, Laser-Drilled Microholes. Jom, 72, Article 7. https://doi.org/10.1007/s11837-020-04169-6

Schomer, L., Kütemeyer, M., & Liewald, M. (2020). Interface reactions occurring in metal-ceramic interpenetrating phase composites manufactured by using semi-solid forming technology. Adv. Compos. Hybrid Mater., 3, Article 2.

Weiß, A., & Liewald, M. (2020). Fließpressen hohler Wellen mit Wanddickenvariation/Cold forging of hollow shafts with wall thickness variation -- Numerical investigation of a hollow forward extrusion process with adjustable deformation zone. Wt Werkstattstechnik Online, 110, Article 10. https://doi.org/10.37544/1436-4980-2020-10-40

Schenek, A., Senn, S., & Liewald, M. (2020). Lochen mit Blechlagewinkel -- Methodenoptimierung/Punching with a slant angle -- a novel approach in process design. Wt Werkstattstechnik Online, 110, Article 10. https://doi.org/10.37544/1436-4980-2020-10-45

Karadogan, C., Cyron, P., & Liewald, M. (2020). Materialcharakterisierung mittels Künstlicher IntelIigenz/Material characterisation by using machine learning models. Wt Werkstattstechnik Online, 110, Article 10. https://doi.org/10.37544/1436-4980-2020-10-12

Essig, P., Liewald, M., & Bolay, C. (2020). Contact Area Evaluation of Digitalized Spotting Images as a Criterion for Die Tryout. Procedia Manufacturing, vol. 47, 855–860.

Schöner, D., Liewald, M., Näckel, H., & Schweizer, A. (2020). Indirekte Bestimmung der Temperaturverteilung von induktionserwärmten Halbzeugen. massivUMFORUMUNG, 30–35.

Burkart, M., Liewald, M., Wied, J., Todzy, T., Hartmann, M., & Müller, M. (2020). Optimization of a Part Holder Design Considering Dynamic Loads during Return Stroke of Tool and Ram. Procedia Manufacturing, 47, 861–866.

Marques, B. M., Andrade, C. M., Neto, D. M., Oliveira, M. C., Alves, J. L., & Menezes, L. F. (2020). Numerical analysis of residual stresses in parts produced by selective laser melting process. Procedia Manuf., 47, 1170–1177.

Meissner, R., Liewald, M., Ulrich, D., & Binz, H. (2020). Numerical study on the applicability to manufacturing of contact-stress-optimised shaft-hub connections joined by lateral extrusion. Manufacturing Review, 7, Article 21. https://doi.org/10.1051/mfreview/2020016

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