Nicolas Karpstein

2025

• Bezold A., Egan A., Völkl J., Karpstein N., Gaag T., Spiecker E., Göken M., Mills MJ., Neumeier S.:
  Localized phase transformation strengthening in CoNi-based superalloys
  In: Scripta Materialia 254 (2025), Article No.: 116312
  ISSN: 1359-6462
  DOI: 10.1016/j.scriptamat.2024.116312
  BibTeX: Download

2024

• Bezold A., Vollhüter J., Karpstein N., Lenz M., Subramanyam AP., Zenk C., Hammerschmidt T., Spiecker E., Göken M., Neumeier S.:
  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
  BibTeX: Download
• Karpstein N., Lenz M., Bezold A., Zehl R., Wu M., Ludwig A., Laplanche G., Neumeier S., Spiecker E.:
  Unambiguous Stacking Fault Analysis for Unraveling Shearing Mechanisms and Shear-Based Transformations in the L12-Ordered γ′ Phase
  15th International Symposium on Superalloys, ISS 2024 (Champion, PA, USA, September 8, 2024 - September 12, 2024)
  In: Jonathan Cormier, Ian Edmonds, Stephane Forsik, Paraskevas Kontis, Corey O’Connell, Timothy Smith, Akane Suzuki, Sammy Tin, Jian Zhang (ed.): Proceedings of the 15th International Symposium on Superalloys 2024
  DOI: 10.1007/978-3-031-63937-1_4
  BibTeX: Download
• Karpstein N., Wu M., Bezold A., Neumeier S., Cormier J., Spiecker E.:
  Temperature and Time Dependence of Elemental Segregation at Stacking Faults in Ni- and Co-Base Superalloys
  15th International Symposium on Superalloys, ISS 2024 (Champion, PA, USA, September 8, 2024 - September 12, 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_47
  BibTeX: Download

2023

• Bezold A., Amon L., Karpstein N., Spiecker E., Göken M., Neumeier S.:
  Recovery of superlattice stacking faults at high temperatures
  In: Scripta Materialia 222 (2023), Article No.: 115005
  ISSN: 1359-6462
  DOI: 10.1016/j.scriptamat.2022.115005
  BibTeX: Download
• Karpstein N., Lenz M., Bezold A., Wu M., Neumeier S., Spiecker E.:
  Reliable identification of the complex or superlattice nature of intrinsic and extrinsic stacking faults in the L12 phase by high-resolution imaging
  In: Acta Materialia 260 (2023), Article No.: 119284
  ISSN: 1359-6454
  DOI: 10.1016/j.actamat.2023.119284
  BibTeX: Download
• Vollhüter J., Bezold A., Karpstein N., Köbrich M., Spiecker E., Göken M., Neumeier S.:
  Strain Rate-Dependent Anomalous Work Hardening of a Single-Crystalline CoNi-Base Superalloy
  In: Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science (2023)
  ISSN: 1073-5623
  DOI: 10.1007/s11661-023-06966-5
  BibTeX: Download

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), Article No.: 117702
  ISSN: 1359-6454
  DOI: 10.1016/j.actamat.2022.117702
  BibTeX: Download

2021

• Volz N., Zenk C., Karpstein N., Lenz M., Spiecker E., Göken M., Neumeier S.:
  Creep properties and deformation mechanisms of single-crystalline gamma '-strengthened superalloys in dependence of the Co/Ni ratio
  In: Philosophical Magazine (2021)
  ISSN: 1478-6435
  DOI: 10.1080/14786435.2021.2017051
  BibTeX: Download

2020

• Schrenker N., Xie Z., Schweizer P., Moninger M., Werner F., Karpstein N., Mackovic M., Spyropoulos G., Göbelt M., Christiansen SH., Brabec C., Bitzek E., Spiecker E.:
  Microscopic Deformation Modes and Impact of Network Anisotropy on the Mechanical and Electrical Performance of Five-fold Twinned Silver Nanowire Electrodes
  In: ACS nano (2020), Article No.: acsnano.0c06480
  ISSN: 1936-0851
  DOI: 10.1021/acsnano.0c06480
  BibTeX: Download

2019

• Schrenker N., Schweizer P., Moninger M., Karpstein N., Mackovic M., Spyropoulos G., Göbelt M., Christiansen S., Brabec C., Spiecker E.:
  Mechanical and Electrical Failure of Silver Nanowire Electrodes: A Scale Bridging In Situ Electron Microscopy Study
  In: Microscopy and Microanalysis 25 (2019)
  ISSN: 1431-9276
  DOI: 10.1017/S1431927619010924
  BibTeX: Download

2015

• Peukert W., Meric Z., Mehringer C., Jank M., Frey L., Karpstein N.:
  Tunable conduction type of solution-processed germanium nanoparticle based field effect transistors and their inverter integration
  In: Physical Chemistry Chemical Physics 17 (2015), p. 22106-22114
  ISSN: 1463-9076
  DOI: 10.1039/c5cp03321g
  BibTeX: Download