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  1. Friedrich-Alexander-Universität
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Zenk, Christopher

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  • Team
    • Akhlaghi, Maryam
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    • Arnold, Christopher
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Zenk, Christopher

Mitarbeiterfoto Cristopher Zenk

Dr.-Ing. Christopher Zenk

Gruppenleiter Hochleistungslegierungen

Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)

Raum: Raum 242
Martensstr. 5
91058 Erlangen
  • Telefon: +49 9131 85-27530
  • Faxnummer: +49 9131 85-27515
  • E-Mail: christopher.zenk@fau.de

Publikationen

2022

  • Bezold A., Volz N., Lenz M., Karpstein N., Zenk C., Spiecker E., Göken M., Neumeier S.:
    Quantification of the temperature-dependent evolution of defect structures in a CoNi-base superalloy
    In: Acta Materialia 227 (2022), Art.Nr.: 117702
    ISSN: 1359-6454
    DOI: 10.1016/j.actamat.2022.117702
  • Luo N., Galgon F., Krauß S., Morales LA., Merle B., Zenk C., Körner C.:
    Microstructural evolution and mechanical properties in Zr–Cu–Al–Nb bulk metallic glass composites prepared by laser metal deposition
    In: Intermetallics 140 (2022), Art.Nr.: 107393
    ISSN: 0966-9795
    DOI: 10.1016/j.intermet.2021.107393
  • Morales Victoria L., Luo N., Li K., Zenk C., Körner C.:
    On stabilizing an α/α′/α″ microstructure in ferritic superalloys
    In: Journal of Alloys and Compounds 911 (2022), Art.Nr.: 164996
    ISSN: 0925-8388
    DOI: 10.1016/j.jallcom.2022.164996

2021

  • Bezold A., Volz N., Lenz M., Zenk C., Spiecker E., Mills MJ., Göken M., Neumeier S.:
    Yielding behavior of a single-crystalline γ'-strengthened Co-Ti-Cr superalloy
    In: Scripta Materialia 200 (2021), S. 113928
    ISSN: 1359-6462
    DOI: 10.1016/j.scriptamat.2021.113928
  • Gaag T., Ritter N., Peters A., Volz N., Gruber D., Neumeier S., Zenk C., Körner C.:
    Improving the Effectiveness of the Solid-Solution-Strengthening Elements Mo, Re, Ru and W in Single-Crystalline Nickel-Based Superalloys
    In: Metals 11 (2021), Art.Nr.: 1707
    ISSN: 2075-4701
    DOI: 10.3390/met11111707
  • Mukhopadhyay S., Sriram H., Zenk C., Didomizio R., Detor AJ., Hayes RW., Viswanathan GB., Wang Y., Mills MJ.:
    Creep behavior of compact γ′-γ′′ coprecipitation strengthened in718-variant superalloy
    In: Metals 11 (2021), Art.Nr.: 1897
    ISSN: 2075-4701
    DOI: 10.3390/met11121897
  • Volz N., Xue F., Zenk C., Bezold A., Gabel S., Subramanyam AP., Drautz R., Hammerschmidt T., Makineni SK., Gault B., Göken M., Neumeier S.:
    Understanding creep of a single-crystalline Co-Al-W-Ta superalloy by studying the deformation mechanism, segregation tendency and stacking fault energy
    In: Acta Materialia 214 (2021), S. 117019
    ISSN: 1359-6454
    DOI: 10.1016/j.actamat.2021.117019
  • Zenk CH., Feng L., Mcallister D., Wang Y., Mills MJ.:
    Shearing mechanisms of co-precipitates in IN718
    In: Acta Materialia 220 (2021), Art.Nr.: 117305
    ISSN: 1359-6454
    DOI: 10.1016/j.actamat.2021.117305

2020

  • Bezold A., Volz N., Xue F., Zenk CH., Neumeier S., Göken M.:
    On the Precipitation-Strengthening Contribution of the Ta-Containing Co3(Al,W)-Phase to the Creep Properties of γ/γ′ Cobalt-Base Superalloys
    In: Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science 51 (2020), S. 1567-1574
    ISSN: 1073-5623
    DOI: 10.1007/s11661-020-05626-2
  • He J., Zenk C., Zhou X., Neumeier S., Raabe D., Gault B., Makineni SK.:
    On the atomic solute diffusional mechanisms during compressive creep deformation of a Co-Al-W-Ta single crystal superalloy
    In: Acta Materialia 184 (2020), S. 86-99
    ISSN: 1359-6454
    DOI: 10.1016/j.actamat.2019.11.035
  • Slone C., LaRosa CR., Zenk CH., George EP., Ghazisaeidi M., Mills MJ.:
    Deactivating deformation twinning in medium-entropy CrCoNi with small additions of aluminum and titanium
    In: Scripta Materialia 178 (2020), S. 295-300
    ISSN: 1359-6462
    DOI: 10.1016/j.scriptamat.2019.11.053
  • Volz N., Zenk C., Halvaci T., Matuszewska K., Neumeier S., Göken M.:
    Castability and Recrystallization Behavior of γ′-Strengthened Co-Base Superalloys
  • Xue F., Zenk C., Freund L., Neumeier S., Göken M.:
    Understanding raft formation and precipitate shearing during double minimum creep in a γ′-strengthened single crystalline Co-base superalloy
    In: Philosophical Magazine (2020)
    ISSN: 1478-6443
    DOI: 10.1080/14786435.2020.1836415
  • Zenk C., Volz N., Bezold A., Huber LK., Eggeler Y., Spiecker E., Göken M., Neumeier S.:
    The Effect of Alloying on the Thermophysical and Mechanical Properties of Co–Ti–Cr-Based Superalloys
  • Zenk C., Volz N., Zenk C., Felfer P., Neumeier S.:
    Impact of the Co/Ni-Ratio on Microstructure, Thermophysical Properties and Creep Performance of Multi-Component γ′-Strengthened Superalloys
    In: Crystals 10 (2020), S. 1058
    ISSN: 2073-4352
    DOI: 10.3390/cryst10111058

2019

  • Lenz M., Eggeler Y., Müller J., Zenk C., Volz N., Wollgramm P., Eggeler G., Neumeier S., Göken M., Spiecker E.:
    Tension/Compression asymmetry of a creep deformed single crystal Co-base superalloy
    In: Acta Materialia 166 (2019), S. 597-610
    ISSN: 1359-6454
    DOI: 10.1016/j.actamat.2018.12.053
  • Weiser M., Galetz MC., Zschau HE., Zenk C., Neumeier S., Göken M., Virtanen S.:
    Influence of Co to Ni ratio in γ′-strengthened model alloys on oxidation resistance and the efficacy of the halogen effect at 900 °C
    In: Corrosion Science (2019)
    ISSN: 0010-938X
    DOI: 10.1016/j.corsci.2019.05.007

2018

  • Makineni SK., Kumar A., Lenz M., Kontis P., Meiners T., Zenk C., Zaefferer S., Eggeler G., Neumeier S., Spiecker E., Raabe D., Gault B.:
    On the diffusive phase transformation mechanism assisted by extended dislocations during creep of a single crystal CoNi-based superalloy
    In: Acta Materialia (2018), S. 362-371
    ISSN: 1359-6454
    DOI: 10.1016/j.actamat.2018.05.074
  • Volz N., Zenk C., Cherukuri R., Kalfhaus T., Weiser M., Makineni SK., Betzing C., Lenz M., Gault B., Fries SG., Schreuer J., Vassen R., Virtanen S., Raabe D., Spiecker E., Neumeier S., Göken M.:
    Thermophysical and Mechanical Properties of Advanced Single Crystalline Co-base Superalloys
    In: Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science (2018), S. 1-11
    ISSN: 1073-5623
    DOI: 10.1007/s11661-018-4705-1
  • Xue F., Zenk C., Freund L., Hoelzel M., Neumeier S., Göken M.:
    Double minimum creep in the rafting regime of a single-crystal Co-base superalloy
    In: Scripta Materialia 142 (2018), S. 129-132
    ISSN: 1359-6462
    DOI: 10.1016/j.scriptamat.2017.08.039
  • Zenk C.:
    Systematische Untersuchungen zum Einfluss wichtiger Legierungselemente in Co-Basis und Co/Ni-Basis Superlegierungen: Thermophysikalische und mechanische Eigenschaften (Dissertation, 2018)
    URL: https://opus4.kobv.de/opus4-fau/frontdoor/index/index/docId/9641

2017

  • Kolb M., Zenk C., Kirzinger A., Povstugar I., Raabe D., Neumeier S., Göken M.:
    Influence of rhenium on γ′-strengthened cobalt-base superalloys
    In: Journal of Materials Research 32 (2017), S. 2551-2559
    ISSN: 0884-2914
    DOI: 10.1557/jmr.2017.242
  • Zenk C., Povstugar I., Li R., Rinaldi F., Neumeier S., Raabe D., Göken M.:
    A novel type of Co-Ti-Cr-base γ/γ′ superalloys with low mass density
    In: Acta Materialia 135 (2017), S. 244-251
    ISSN: 1359-6454
    DOI: 10.1016/j.actamat.2017.06.024

2016

  • Hammerschmidt T., Koßmann J., Zenk C., Neumeier S., Göken M., Lopez-Galilea I., Mujica Roncery L., Huth S., Kostka A., Theisen W., Drautz R.:
    The role of local chemical composition for TCP phase precipitation in Ni-base and Co-base superalloys
    13th International Symposium on Superalloys, SUPERALLOYS 2016
    DOI: 10.1002/9781119075646.ch10
  • Neumeier S., Rehman HU., Neuner J., Zenk C., Michel S., Schuwalow S., Rogal J., Drautz R., Göken M.:
    Diffusion of solutes in fcc Cobalt investigated by diffusion couples and first principles kinetic Monte Carlo
    In: Acta Materialia 106 (2016), S. 304-312
    ISSN: 1359-6454
    DOI: 10.1016/j.actamat.2016.01.028
  • Zenk C., Bauer A., Goik P., Neumeier S., Stone HJ., Göken M.:
    Microstructure, Lattice Misfit, and High-Temperature Strength of γ′-Strengthened Co-Al-W-Ge Model Superalloys
    In: Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science 47 (2016), S. 2141-2149
    ISSN: 1073-5623
    DOI: 10.1007/s11661-016-3408-8
  • Zenk C., Neumeier S., Engl N., Fries SG., Dolotko O., Weiser M., Virtanen S., Göken M.:
    Intermediate Co/Ni-base model superalloys - Thermophysical properties, creep and oxidation
    In: Scripta Materialia 112 (2016), S. 83-86
    ISSN: 1359-6462
    DOI: 10.1016/j.scriptamat.2015.09.018
  • Zenk C., Neumeier S., Kolb M., Volz N., Fries SG., Dolotko O., Povstugar I., Raabe D., Göken M.:
    The role of the base element in γ′ strengthened cobalt/nickel-base superalloys
    13th International Symposium on Superalloys, SUPERALLOYS 2016
    DOI: 10.1002/9781119075646.ch103

2015

  • Lopez-Galilea I., Zenk C., Neumeier S., Huth S., Theisen W., Göken M.:
    The thermal stability of intermetallic compounds in an as-cast SX co-base superalloy
    In: Advanced Engineering Materials 17 (2015), S. 741-747
    ISSN: 1438-1656
    DOI: 10.1002/adem.201400249

2014

  • Bhowmik A., Neumeier S., Barnard JS., Zenk C., Göken M., Rae CMF., Stone HJ.:
    Microstructure and mechanical properties of Cr-Ta-Si Laves phase-based alloys at elevated temperatures
    In: Philosophical Magazine 94 (2014), S. 3914-3944
    ISSN: 1478-6443
    DOI: 10.1080/14786435.2014.971086
  • Povstugar I., Choi PP., Neumeier S., Bauer A., Zenk C., Göken M., Raabe D.:
    Elemental partitioning and mechanical properties of Ti- and Ta-containing Co-Al-W-base superalloys studied by atom probe tomography and nanoindentation
    In: Acta Materialia 78 (2014), S. 78-85
    ISSN: 1359-6454
    DOI: 10.1016/j.actamat.2014.06.020
  • Zenk C., Neumeier S., Stone HJ., Göken M.:
    Mechanical properties and lattice misfit of γ/γ' strengthened Co-base superalloys in the Co-W-Al-Ti quaternary system
    In: Intermetallics 55 (2014), S. 28-39
    ISSN: 0966-9795
    DOI: 10.1016/j.intermet.2014.07.006



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