Metal Physics

Selected Publications

Book
  • F. Appel, J. Paul, and M. Oehring, Gamma Titanium Aluminide Alloys. 2011: Wiley-VCH Verlag GmbH & Co. KGaA.
2019
  • Bresler J., Neumeier S., Ziener M., Pyczak F., Göken M., The influence of niobium, tantalum and zirconium on the microstructure and creep strength of fully lamellar γ/α 2 titanium aluminides, Materials Science and Engineering A 744 ((2019)) 46, doi: 10.1016/j.msea.2018.11.152
  • Hauschildt K., Stark A., Schell N., Müller M., Pyczak F., The transient liquid phase bonding process of a γ-TiAl alloy with brazing solders containing Fe or Ni, Intermetallics 106 (2019), doi: 10.1016/j.intermet.2018.12.004
  • Schnabel J.E., Bargmann S., Paul J.D.H., Oehring M., Pyczak F., Work hardening and recovery in fully lamellar TiAl: relative activity of deformation systems, Philosophical Magazine 99 (2019) 2, doi: 10.1080/14786435.2018.1532121
  • Song L., Wang L., Oehring M., Hu X., Appel F., Lorenz U., Pyczak F., Zhang T., Evidence for deformation twinning of the D0 19 -α 2 phase in a high Nb containing TiAl alloy, Intermetallics 109 (2019), doi: 10.1016/j.intermet.(2019).03.014
  • Wang L., Oehring M., Li Y., Song L., Liu Y., Stark A., Lorenz U., Pyczak F., Microstructure, phase stability and element partitioning of γ-γ′ Co-9Al-9W-2X alloys in different annealing conditions, Journal of Alloys and Compounds 787 (2019), doi: 10.1016/j.jallcom.(2019).01.289
  • Wang L., Oehring M., Liu Y., Lorenz U., Pyczak F., Site occupancy of alloying elements in the L12 structure determined by channeling enhanced microanalysis in γ/γ’ Co-9Al-9W-2X alloys, Acta Materialia 162 (2019) 176, doi: 10.1016/j.actamat.2018.09.059
2018
  • dos Santos, J. F.; Staron, P.; Fischer, T.; Robson, J. D.; Kostka, A.; Colegrove, P.; Wang, H.; Hilgert, J.; Bergmann, L.; Huetsch, L. L.; Huber, N.; Schreyer, A., Understanding precipitate evolution during friction stir welding of Al-Zn-Mg-Cu alloy through in-situ measurement coupled with simulation, ACTA MATERIALIA 148 (2018) 163, doi: 10.1016/j.actamat.2018.01.020
  • Freund, Lisa P.; Stark, Andreas; Pyczak, Florian; Schell, Norbert; Goeken, Mathias; Neumeier, Steffen, The grain boundary pinning effect of the mu phase in an advanced polycrystalline gamma/gamma' Co-base superalloy, JOURNAL OF ALLOYS AND COMPOUNDS 753 (2018) 333, doi: 10.1016/j.jallcom.2018.04.204
  • Lazurenko, D.V., Bataev, I.A., Mali, V.I., Jorge Jr., A.M., Stark, A., Pyczak, F., Ogneva, T.S., and Maliutina, I.N., Synthesis of metal-intermetallic laminate (MIL) composites with modified Al3Ti structure and in situ synchrotron X-ray diffraction analysis of sintering process, Materials and Design 151 (2018) 8, doi: 10.1016/j.matdes.2018.04.038
  • Li, Yuzhi; Pyczak, Florian; Paul, Jonathan; Oehring, Michael; Lorenz, Uwe; Yao, Zekun; Ning, Yongquan, Rafting of gamma' precipitates in a Co-9Al-9W superalloy during compressive creep, MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 719 (2018) 43, doi: 10.1016/j.msea.2018.02.017
  • Li, Yuzhi; Pyczak, Florian; Paul, Jonathan; Yao, Zekun, Oxidation behaviors of Co-A1-W-0.1B superalloys in a long-term isothermal exposure at 900 degrees C, JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 34 (2018) 11, doi: 10.1016/j.jmst.2018.03.013
  • Wang, Li; Oehring, Michael; Lorenz, Uwe; Stark, Andreas; Pyczak, Florian, New insights into perovskite-Ti3AlC precipitate splitting in a Ti-45Al-5Nb-0.75C alloy by transmission electron microscopy, INTERMETALLICS 100 (2018), doi: 10.1016/j.intermet.2018.06.006
  • Wang, Li; Oehring, Michael; Lorenz, Uwe; Yang, Junjie; Pyczak, Florian, Influence of alloying additions on L1(2) decomposition in gamma-gamma ' Co-9Al-9W-2X quaternary alloys, SCRIPTA MATERIALIA 154 (2018), doi:10.1016/j.scriptamat.2018.05.051
2006 - 2017
  • Paul, J., Oehring, M., Appel, F., Pyczak, F., Depth resolved near-surface residual stresses in γ-based TiAl before and after high-temperature exposure, Intermetallics 84 (2017) 103-111.
  • Kim, Y. M., Mendis, Ch., Sasask, T., Letzig, D., Pyczak, F., Hono, K., Yi, S., Static recrystallization behaviour of cold rolled Mg-Zn-Y alloy and role of solute segregation in microstructure evolution, Scripta Materialia 136 (2017) 41-45.
  • Rackel, M., Stark, A., Gabrisch, H., Schell, N., Schreyer, A., Pyczak, F., Orthorhombic phase formation in a Nb-rich γ-TiAl based alloy – an in situ synchrotron radiation investigation, Acta Mat. 121 (2016) 343-351.
  • Wang, L., Gabrisch, H., Lorenz, U., Schimansky, F.P., Schreyer, A., Stark, A., Pyczak, F., Nucleation and thermal stability of carbide precipitates in high Nb containing TiAl alloys, Intermetallics 66 (2015) 111-119.
  • Pyczak, F., Bauer, A., Göken, M., Lorenz, U., Neumeier, S., Oehring, M., Paul, J., Schell, N., Schreyer, A., Stark, A., Symanzik, F., The effect of tungsten content on the properties of L12-hardened Co-Al-W alloys, Journal of Alloys and Compounds 632 (2015) 110-115.
  • Ovri, H., Jägle, E.A., Stark, A., Lilleodden, E.T., Microstructural influences on strengthening in a naturally aged and overaged Al-Cu-Li-Mg based alloy, Materials Science and Engineering A 637 (2015) 162-169.
  • Bolz, S., Oehring, M., Lindemann, J., Pyczak, F., Paul, J., Stark, A., Lippmann, T., Schrüfer, S., Roth-Fagaraseanu, D., Schreyer, A., Weiß, S., Microstructure and mechanical properties of a forged β-solidifying γ-TiAl alloy in different heat treatment conditions, Intermetallics 58 (2015) 71-83.
  • Garces, G., Morris, D.G., Muñoz-Morris, M.A., Perez, P., Tolnai, D., Mendis, C., Stark, A., Lim, H.K., Kim, S., Shell, N., Adeva, P., Plasticity analysis by synchrotron radiation in a Mg97Y2Zn1 alloy with bimodal grain structure and containing LPSO phase, Acta Materialia 94 (2015) 78-86.
  • Löber, L., Schimansky, F.P., Kühn, U., Pyczak, F., Eckert; J., Selective laser melting of a beta-solidifying TNMB1 titanium aluminide alloy, Journal Materials Processing Technology 214 (2014) 1852-1860.
  • Zhao, D., Chang, K., Ebel, T., Qian, M., Willumeit, R., Yan, M., Pyczak, F., Microstructure and mechanical behavior of metal injection molded Ti-Nb binary alloys as biomedical material, Journal of the Mechanical Behavior of Biomedical Materials 28 (2013) 171-182.
  • Pyczak, F., Bauer, A., Göken, M., Neumeier, S, Lorenz, U., Oehring, M., Schell, N., Schreyer, A., Stark, A., Symanzik, F., Plastic Deformation Mechanisms in a Crept L12 hardened Co-Base Superalloy, Mater. Sc. Engg A 571 (2013) 13-18.
  • Hauschildt, K., Stark, A., Lorenz, U., Schell, N., Fischer, T., Blankenburg, M., Mueller, M., Pyczak, F., Diffusion brazing of γ-TiAl-alloys: Investigations of the joint by electron microscopy and high-energy X-ray diffraction, In: MRS Online Proceedings Library Vol. 1516 (2013) (DOI: 10.1557/opl.2012.1750).
  • Limberg, W., Ebel, T., Pyczak, F., Oehring, M., Schimansky, F.P., Influence of the sintering atmosphere on the mechanical properties of MIM-processed Ti 45Al 5Nb 0.2B 0.2C, Mater. Sc. Engg. A 552 (2012) 323-329.
  • Kaysser; W., Esslinger, J., Abetz, V., Huber, N., Kainer, K.U., Klassen, T., Pyczak, F., Schreyer, A., Staron, P., Research with Neutron and Synchrotron Radiation on Aerospace and Automotive Materials and Components, Advanced Engineering Materials 13 (2011) 637-657.
  • Stark, A., Oehring, M., Pyczak, F., Schreyer, A., In Situ Observation of Various Phase Transformation Paths in Nb-Rich TiAl Alloys during Quenching with Different Rates, Advanced Engineering Materials 13 (2011) 700-704.
  • Bauer, A., Neumeier, S., Pyczak, F., Göken, M., Microstructure and creep strength of different γ/γ'- strengthened Co-base superalloy variants, Scripta Materialia 63 (2010) 1197-1200.
  • Appel, F.; Oehring, M.; Paul, J.D.H., A novel in situ composite structure in TiAl alloys, Materials Science and Engineering A493 (2008) 232 – 236.
  • R. Gerling, E. Aust, W. Limberg, F. P. Schimansky, Metal Injection Moulding of Gamma Titanium Aluminide Alloy Powder, Mater. Sci. Eng. A 423 (2006) 262 - 268.