Ralf Rettig



Organisation


Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)



Project lead


(Ein neue Generation einkristalliner Superlegierungen: Vom Atom zur Turbinenschaufel – Festigkeitssteigernde Elementarprozesse, verfahrenstechnische Grundlagen u. skalenübergreifende Modellierung):
SFB/TRR 103 (C07): Multi-criteria calculation of optimum compositions for single crystal superalloys
Dr.-Ing. Matthias Markl; Dr.-Ing. Ralf Rettig; Prof. Dr.-Ing. Robert Singer
(01/01/2016 - 31/12/2019)

(TRR 103: From Atoms to Turbine Blades - a Scientific Approach for Developing the Next Generation of Single Crystal Superalloys):
SFB/TRR 103 (B01): Single crystalline solidification with enhanced microstructure
Dr.-Ing. Ralf Rettig; Prof. Dr.-Ing. Robert Singer
(01/01/2012 - 31/12/2019)

(TRR 103: From Atoms to Turbine Blades - a Scientific Approach for Developing the Next Generation of Single Crystal Superalloys):
SFB/TRR 103 (WSP): Supply of single crystalline Ni- and Co-base superalloys: planning, melting, casting and characterization
Dr.-Ing. Ralf Rettig; Prof. Dr.-Ing. Robert Singer
(01/01/2012 - 31/12/2019)


Publications (Download BibTeX)

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Müller, A., Sprenger, M., Ritter, N., Rettig, R., Markl, M., Körner, C., & Singer, R. (2019). MultOpt++: a fast regression-based model for the constraint violation fraction due to composition uncertainties. Modelling and Simulation in Materials Science and Engineering, 27(2). https://dx.doi.org/10.1088/1361-651X/aaf01e
Müller, A., Roslyakova, I., Sprenger, M., Git, P., Rettig, R., Markl, M.,... Singer, R. (2019). MultOpt++: a fast regression-based model for the development of compositions with high robustness against scatter of element concentrations. Modelling and Simulation in Materials Science and Engineering, 27(2). https://dx.doi.org/10.1088/1361-651X/aaf0b8
Markl, M., Müller, A., Ritter, N., Hofmeister, M., Naujoks, D., Schaar, H.,... Körner, C. (2018). Development of Single-Crystal Ni-Base Superalloys Based on Multi-criteria Numerical Optimization and Efficient Use of Refractory Elements. Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science, 49A(9), 4134-4145. https://dx.doi.org/10.1007/s11661-018-4759-0
Ritter, N., Sowa, R., Schauer, J.C., Gruber, D., Göhler, T., Rettig, R.,... Singer, R. (2018). Effects of Solid Solution Strengthening Elements Mo, Re, Ru, and W on Transition Temperatures in Nickel-Based Superalloys with High γ′-Volume Fraction: Comparison of Experiment and CALPHAD Calculations. Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science. https://dx.doi.org/10.1007/s11661-018-4730-0
Sheng, N., Horke, K., Meyer, A., Rettig, R., & Singer, R. (2018). Oxidation Behavior of Superalloy IN 713 Fabricated by Metal Injection Molding. Oxidation of Metals. https://dx.doi.org/10.1007/s11085-018-9869-y
Ritter, N., Schesler, E., Müller, A., Rettig, R., Körner, C., & Singer, R. (2017). On the Influence of Ta and Ti on Heat-Treatability and γ/γ'-Partitioning of High W Containing Re-Free Nickel-Based Superalloys. Advanced Engineering Materials. https://dx.doi.org/10.1002/adem.201700150
Sheng, N., Horke, K., Meyer, A., Gotterbarm, M., Rettig, R., & Singer, R. (2017). Surface recrystallization and its effect on oxidation of superalloy C263. Corrosion Science, 128, 186-197. https://dx.doi.org/10.1016/j.corsci.2017.09.020
Rettig, R., Matuszewski, K., Müller, A., Helmer, H.E., Ritter, N., & Singer, R. (2016). Development of a low-density rhenium-free single crystal nickel-based superalloy by application of numerical multi-criteria optimization using thermodynamic calculations. In M. Hardy, E. Huron, U. Glatzel, B. Griffin, B. Lewis, C. Rae, V. Seetharaman, S. Tin (Eds.), Superalloys 2016: Proceedings of the 13th Intenational Symposium of Superalloys (pp. 35-44). Seven Springs, US: Minerals, Metals and Materials Society.
Grodzki, J., Hartmann, N., Rettig, R., Affeldt, E., & Singer, R. (2016). Effect of B, Zr, and C on Hot Tearing of a Directionally Solidified Nickel-Based Superalloy. Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science, 47(6), 2914-2926. https://dx.doi.org/10.1007/s11661-016-3416-8
Pröbstle, M., Neumeier, S., Feldner, P., Rettig, R., Helmer, H.E., Singer, R., & Göken, M. (2016). Improved creep strength of nickel-base superalloys by optimized γ/γ′ partitioning behavior of solid solution strengthening elements. Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing, 676, 411-420. https://dx.doi.org/10.1016/j.msea.2016.08.121

Last updated on 2019-15-03 at 22:54