Zenk, Christopher
Dr.-Ing. Christopher Zenk
Gruppenleiter Hochleistungslegierungen
Martensstr. 5
91058 Erlangen
Chair of Materials Science and Engineering for Metals
Martensstr. 5
91058 Erlangen
- Phone number: +49 9131 85-27530
- Fax number: +49 9131 85-27515
- Email: christopher.zenk@fau.de
2025
Microscopic mechanism of the L12–D019 phase transformation in a Co-base single crystal superalloy
In: Acta Materialia 282 (2025), Article No.: 120416
ISSN: 1359-6454
DOI: 10.1016/j.actamat.2024.120416
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2024
On the Evolution of the γ/γ′ Lattice Misfit and TCP Phase Precipitation in a Highly Alloyed Single Crystalline Ni-Base Superalloy
15th International Symposium on Superalloys, ISS 2024 (Pennsylvania, PA, USA, 8. September 2024 - 12. September 2024)
In: Jonathan Cormier, Ian Edmonds, Stephane Forsik, Paraskevas Kontis, Corey O’Connell, Timothy Smith, Akane Suzuki, Sammy Tin, Jian Zhang (ed.): Minerals, Metals and Materials Series 2024
DOI: 10.1007/978-3-031-63937-1_7
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Segregation-induced strength anomalies in complex single-crystalline superalloys
In: Communications Materials 5 (2024), Article No.: 8
ISSN: 2662-4443
DOI: 10.1038/s43246-024-00447-x
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A Novel Approach for Rapid Material Library Generation Using Laser-Remelting
In: Advanced Engineering Materials 26 (2024), Article No.: 2301316
ISSN: 1438-1656
DOI: 10.1002/adem.202301316
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Experimental Validation of Property Models and Databases for Computational Superalloy Design
In: Advanced Engineering Materials (2024)
ISSN: 1438-1656
DOI: 10.1002/adem.202401051
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Accelerating Alloy Development for Additive Manufacturing
15th International Symposium on Superalloys, ISS 2024 (Pennsylvania, PA, 8. September 2024 - 12. September 2024)
In: Jonathan Cormier, Ian Edmonds, Stephane Forsik, Paraskevas Kontis, Corey O’Connell, Timothy Smith, Akane Suzuki, Sammy Tin, Jian Zhang (ed.): Minerals, Metals and Materials Series 2024
DOI: 10.1007/978-3-031-63937-1_11
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Improving Microstructural Homogeneity of Investment-Cast Single-Crystalline Ni-Base Superalloys by Using Fluidized Carbon Bed Cooling
In: Advanced Engineering Materials (2024)
ISSN: 1438-1656
DOI: 10.1002/adem.202302123
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2023
Phase field modeling of shearing processes of a dual-lobed γ″|γ′|γ″ coprecipitate
In: Acta Materialia 246 (2023), Article No.: 118693
ISSN: 1359-6454
DOI: 10.1016/j.actamat.2023.118693
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Influence of the W and Ta content on the High-Temperature Oxidation Resistance of Multinary Co/Ni-Based Superalloys at 1050 °C and 1150 °C
In: High Temperature Corrosion of Materials (2023)
ISSN: 2731-8397
DOI: 10.1007/s11085-023-10183-1
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Influence of refractory and platinum group metals on the microstructure and thermo-physical properties of Co-Al-W-based superalloys
In: Journal of Alloys and Compounds 947 (2023), Article No.: 169542
ISSN: 0925-8388
DOI: 10.1016/j.jallcom.2023.169542
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Influence of Cu Addition and Microstructural Configuration on the Creep Resistance and Mechanical Properties of an Fe-Based alpha/alpha '/alpha '' Superalloy
In: Advanced Engineering Materials (2023)
ISSN: 1438-1656
DOI: 10.1002/adem.202201652
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Influence of the γ′ Volume Fraction on the High-Temperature Strength of Single Crystalline Co–Al–W–Ta Superalloys
In: Crystals 13 (2023), Article No.: 1095
ISSN: 2073-4352
DOI: 10.3390/cryst13071095
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2022
Quantification of the temperature-dependent evolution of defect structures in a CoNi-base superalloy
In: Acta Materialia 227 (2022), Article No.: 117702
ISSN: 1359-6454
DOI: 10.1016/j.actamat.2022.117702
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Miniature mechanical testing of LMD-fabricated compositionally & microstructurally graded γ titanium aluminides
In: Journal of Materials Research (2022)
ISSN: 0884-2914
DOI: 10.1557/s43578-022-00801-0
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Microstructural evolution and mechanical properties in Zr–Cu–Al–Nb bulk metallic glass composites prepared by laser metal deposition
In: Intermetallics 140 (2022), Article No.: 107393
ISSN: 0966-9795
DOI: 10.1016/j.intermet.2021.107393
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Laser powder bed fusion of FeCoBSiNb-Cu bulk metallic glass composites: Processing, microstructure and mechanical properties
In: Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing 849 (2022), Article No.: 143405
ISSN: 0921-5093
DOI: 10.1016/j.msea.2022.143405
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On stabilizing an α/α′/α″ microstructure in ferritic superalloys
In: Journal of Alloys and Compounds 911 (2022), Article No.: 164996
ISSN: 0925-8388
DOI: 10.1016/j.jallcom.2022.164996
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2021
Yielding behavior of a single-crystalline γ'-strengthened Co-Ti-Cr superalloy
In: Scripta Materialia 200 (2021), p. 113928
ISSN: 1359-6462
DOI: 10.1016/j.scriptamat.2021.113928
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Improving the Effectiveness of the Solid-Solution-Strengthening Elements Mo, Re, Ru and W in Single-Crystalline Nickel-Based Superalloys
In: Metals 11 (2021), Article No.: 1707
ISSN: 2075-4701
DOI: 10.3390/met11111707
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Creep behavior of compact γ′-γ′′ coprecipitation strengthened in718-variant superalloy
In: Metals 11 (2021), Article No.: 1897
ISSN: 2075-4701
DOI: 10.3390/met11121897
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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), p. 117019
ISSN: 1359-6454
DOI: 10.1016/j.actamat.2021.117019
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Shearing mechanisms of co-precipitates in IN718
In: Acta Materialia 220 (2021), Article No.: 117305
ISSN: 1359-6454
DOI: 10.1016/j.actamat.2021.117305
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2020
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), p. 1567-1574
ISSN: 1073-5623
DOI: 10.1007/s11661-020-05626-2
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On the atomic solute diffusional mechanisms during compressive creep deformation of a Co-Al-W-Ta single crystal superalloy
In: Acta Materialia 184 (2020), p. 86-99
ISSN: 1359-6454
DOI: 10.1016/j.actamat.2019.11.035
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Deactivating deformation twinning in medium-entropy CrCoNi with small additions of aluminum and titanium
In: Scripta Materialia 178 (2020), p. 295-300
ISSN: 1359-6462
DOI: 10.1016/j.scriptamat.2019.11.053
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Castability and Recrystallization Behavior of γ′-Strengthened Co-Base Superalloys
DOI: 10.1007/978-3-030-51834-9_88
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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
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The Effect of Alloying on the Thermophysical and Mechanical Properties of Co–Ti–Cr-Based Superalloys
DOI: 10.1007/978-3-030-51834-9_89
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Impact of the Co/Ni-Ratio on Microstructure, Thermophysical Properties and Creep Performance of Multi-Component γ′-Strengthened Superalloys
In: Crystals 10 (2020), p. 1058
ISSN: 2073-4352
DOI: 10.3390/cryst10111058
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2019
Tension/Compression asymmetry of a creep deformed single crystal Co-base superalloy
In: Acta Materialia 166 (2019), p. 597-610
ISSN: 1359-6454
DOI: 10.1016/j.actamat.2018.12.053
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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
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2018
On the diffusive phase transformation mechanism assisted by extended dislocations during creep of a single crystal CoNi-based superalloy
In: Acta Materialia (2018), p. 362-371
ISSN: 1359-6454
DOI: 10.1016/j.actamat.2018.05.074
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Thermophysical and Mechanical Properties of Advanced Single Crystalline Co-base Superalloys
In: Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science (2018), p. 1-11
ISSN: 1073-5623
DOI: 10.1007/s11661-018-4705-1
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Double minimum creep in the rafting regime of a single-crystal Co-base superalloy
In: Scripta Materialia 142 (2018), p. 129-132
ISSN: 1359-6462
DOI: 10.1016/j.scriptamat.2017.08.039
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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
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2017
Influence of rhenium on γ′-strengthened cobalt-base superalloys
In: Journal of Materials Research 32 (2017), p. 2551-2559
ISSN: 0884-2914
DOI: 10.1557/jmr.2017.242
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A novel type of Co-Ti-Cr-base γ/γ′ superalloys with low mass density
In: Acta Materialia 135 (2017), p. 244-251
ISSN: 1359-6454
DOI: 10.1016/j.actamat.2017.06.024
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2016
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
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Diffusion of solutes in fcc Cobalt investigated by diffusion couples and first principles kinetic Monte Carlo
In: Acta Materialia 106 (2016), p. 304-312
ISSN: 1359-6454
DOI: 10.1016/j.actamat.2016.01.028
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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), p. 2141-2149
ISSN: 1073-5623
DOI: 10.1007/s11661-016-3408-8
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Intermediate Co/Ni-base model superalloys - Thermophysical properties, creep and oxidation
In: Scripta Materialia 112 (2016), p. 83-86
ISSN: 1359-6462
DOI: 10.1016/j.scriptamat.2015.09.018
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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
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2015
The thermal stability of intermetallic compounds in an as-cast SX co-base superalloy
In: Advanced Engineering Materials 17 (2015), p. 741-747
ISSN: 1438-1656
DOI: 10.1002/adem.201400249
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2014
Microstructure and mechanical properties of Cr-Ta-Si Laves phase-based alloys at elevated temperatures
In: Philosophical Magazine 94 (2014), p. 3914-3944
ISSN: 1478-6443
DOI: 10.1080/14786435.2014.971086
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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), p. 78-85
ISSN: 1359-6454
DOI: 10.1016/j.actamat.2014.06.020
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Mechanical properties and lattice misfit of γ/γ' strengthened Co-base superalloys in the Co-W-Al-Ti quaternary system
In: Intermetallics 55 (2014), p. 28-39
ISSN: 0966-9795
DOI: 10.1016/j.intermet.2014.07.006
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