Explanipedia

A multiscale investigation of hardening behavior in dispersoid-modified AlZnMg alloys Open

Viktor Wessely, Indranil Basu, Jeffrey M. Wheeler, R. Schäublin, Ueli Töpfer , et al. · 2025

While dispersoid-modified Al–Zn–Mg alloys have improved thermal stability compared to their unmodified variants, they generally exhibit a reduced age-hardening potential. In the current work, Al–Zn–Mg alloys with Hf and Zr additions below …

Towards Establishing Best Practice in the Analysis of Hydrogen and Deuterium by Atom Probe Tomography Open

Baptiste Gault, Aparna Saksena, Xavier Sauvage, Paul A.J. Bagot, Leonardo Shoji Aota , et al. · 2024

As hydrogen is touted as a key player in the decarbonization of modern society, it is critical to enable quantitative hydrogen (H) analysis at high spatial resolution and, if possible, at the atomic scale. H has a known deleterious impact …

Integrated textural and geochemical analysis of igneous zircon by atom probe tomography Open

Michelle L. Foley, Elias Bloch, Stephan Gerstl, Benita Putlitz, Lukas P. Baumgartner · 2024

Mechanisms relating to growth and/or compositional modification of zircon occur at the atomic scale. For felsic igneous systems, processes responsible for growth patterns in zircon have previously remained elusive as the volume of material…

On the Resolution Limit of Electrohydrodynamic Redox 3D Printing Open

Maxence Menétrey, Cédric Kupferschmid, Stephan Gerstl, Ralph Spolenak · 2024

Additive manufacturing (AM) will empower the next breakthroughs in nanotechnology by combining unmatched geometrical freedom with nanometric resolution. Despite recent advances, no micro‐AM technique has been able to synthesize functional …

Towards establishing best practice in the analysis of hydrogen and deuterium by atom probe tomography Open

Baptiste Gault, Aparna Saksena, Xavier Sauvage, Paul A.J. Bagot, Leonardo Shoji Aota , et al. · 2024

As hydrogen is touted as a key player in the decarbonization of modern society, it is critical to enable quantitative H analysis at high spatial resolution, if possible at the atomic scale. Indeed, H has a known deleterious impact on the m…

Correlating microscopy methods: The case of precipitation in lean, bioabsorbable Mg alloys Open

R. Schäublin, Tatiana Akhmetshina, Peng Zeng, Stephan Gerstl, Jörg F. Löffler · 2024

Atomic Level Characterization of Magmatic Zircon Oscillatory Zones via Atom Probe Tomography Open

Michelle Foley, Elias Bloch, Stephan Gerstl, Benita Putlitz, Lukas P. Baumgartner · 2023

Targeted Additive Micromodulation of Grain Size in Nanocrystalline Copper Nanostructures by Electrohydrodynamic Redox 3D Printing (Small 51/2022) Open

Maxence Menétrey, Lukas Koch, Alla S. Sologubenko, Stephan Gerstl, Ralph Spolenak , et al. · 2022

Nanocrystalline Copper Nanostructures In article 2205302, Maxence Menétrey and co-workers present a novel approach for microstructure control in nanopillars synthesized by electrohydrodynamic redox 3D printing. Variations in the deposition…

Targeted Additive Micromodulation of Grain Size in Nanocrystalline Copper Nanostructures by Electrohydrodynamic Redox 3D Printing Open

Maxence Menétrey, Lukas Koch, Alla S. Sologubenko, Stephan Gerstl, Ralph Spolenak , et al. · 2022

The control of materials’ microstructure is both a necessity and an opportunity for micro/nanometer‐scale additive manufacturing technologies. On the one hand, optimization of purity and defect density of printed metals is a prerequisite f…

APT characterization of irradiation effects on MX phase in reduced-activation ferritic/martensitic steels Open

Lijuan Cui, Yong Dai, Stephan Gerstl, Manuel A. Pounchon · 2022

Reduced activation ferritic/martensitic steels (RAFMs), such as Eurofer 97 and F82H, are designed to enhance the high-temperature strength by forming the fine dispersive particles of the MX phase. However, the stability of MX phase is stil…

Macroscopic magnetic hardening due to nanoscale spinodal decomposition in Fe–Cr Open

Vladimír Vojtěch, Michalis Charilaou, András Kovács, Alexander Firlus, Stephan Gerstl , et al. · 2022

The Fe–Cr alloy system is the basis of ferritic steels, which are important structural materials for many applications, including their use in future fusion reactors. However, when exposed to elevated temperatures and radiation, the Fe–Cr …

Precipitation in lean Mg–Zn–Ca alloys Open

R. Schäublin, Michael A. Becker, Martina Cihova, Stephan Gerstl, Davide Deiana , et al. · 2022

3d-Apt Characterization of Grain Boundary Segregation in F82h Steel Open

Lijuan Cui, Yong Dai, Yufeng Du, Stephan Gerstl, Xing Huang , et al. · 2022

Thermally Decomposed Binary Fe–Cr Alloys: Toward a Quantitative Relationship Between Strength and Structure Open

Severin Küchler, Vladimír Vojtěch, Stephan Gerstl, R. Schäublin, Jörg F. Löffler · 2021

Binary Fe–Cr alloys are model alloys for ferritic steels proposed as structural materials for future fusion reactors. They are used to investigate the fundamental mechanisms of their degradation induced by heat and irradiation. Fe–Cr prese…

Precipitation in lean Mg-Zn-Ca alloys Open

R. Schäublin, Michael A. Becker, Martina Cihova, Stephan Gerstl, Davide Deiana , et al. · 2021

While lean Mg-Zn-Ca alloys are promising materials for temporary implants, questions remain on the impact of Zn and Ca. In this context, the precipitation in Mg-1.5Zn-0.25Ca (ZX20, in wt.%) was investigated upon linear heating from about r…

Quantitative APT analysis of solid transmutants in ferritic-martensitic steels after irradiation in SINQ targets: Experimental validation of neutronic calculations Open

Lijuan Cui, Jinyang Li, Stephan Gerstl, M.A. Pouchon, Yong Dai · 2021

The properties of materials applied in fission and fusion reactors and targets of spallation neutron sources can be greatly degraded by radiation-induced transmutants. A precise prediction of the production of transmutants is highly import…

Temperature dependence of magnetization processes in Sm(Co, Fe, Cu, Zr)z magnets with different nanoscale microstructures Open

Leonardo Pierobon, R. Schäublin, András Kovács, Stephan Gerstl, Alexander Firlus , et al. · 2021

The characteristic microstructure of Sm (Co, Fe, Cu, Zr) z (z = 6.7 - 9.1) alloys with SmCo 5 cell walls in Sm 2 Co 17 cells, all intersected by Zr-rich platelets, makes them some of the best performing high-temperature permanent magnets. …

Unconventional magnetization textures and domain-wall pinning in Sm–Co magnets Open

Leonardo Pierobon, András Kovács, R. Schäublin, Stephan Gerstl, Jan Caron , et al. · 2020

Characterization of Grain Boundary Segregation in Ferritic/Martensitic Steel after Irradiation in SINQ Target 4 Open

Lijuan Cui, Yong Dai, Stephan Gerstl, M.A. Pouchon, Xin Huang , et al. · 2020

Ferritic/martensitic (FM) steels are major structural materials irradiated in the targets of Swiss Spallation Neutron Source (SINQ). The post-irradiation examination (PIE) of irradiated FM specimens show strong degradation of mechanical pr…

Size-dependent diffusion controls natural aging in aluminium alloys Open

Phillip Dumitraschkewitz, Peter J. Uggowitzer, Stephan Gerstl, Jörg F. Löffler, Stefan Pogatscher · 2019

A key question in materials science is how fast properties evolve, which relates to the kinetics of phase transformations. In metals, kinetics is primarily connected to diffusion, which for substitutional elements is enabled via mobile ato…

Clustering in Age‐Hardenable Aluminum Alloys Open

Phillip Dumitraschkewitz, Stephan Gerstl, Leigh T. Stephenson, Peter J. Uggowitzer, Stefan Pogatscher · 2018

This review gives an overview of the effects of clusters in various aluminum alloys. Characterization methods are discussed in general and results for the important AlMgSi alloys are presented in detail. Indirect characterization methods, …

An Open-Access Atom Probe Tomography Mass Spectrum Database Open

David R. Diercks, Brian P. Gorman, Stephan Gerstl · 2017

Atom probe tomography as a reliable and accessible materials characterization technique has greatly expanded within the past decade.Along with that expansion has come the published analyses of a greater variety of materials [1].While these…

Enabling Atom Probe Analyses of New Materials Classes with Vacuum-Cryo-Transfer Capabilities Open

Stephan Gerstl, Sebastian Tacke, Yi‐Sheng Chen, Julia Wagner, Roger Wepf · 2017

Improving Local Electrode Performance by Tesla Coil Electric Discharges Open

Dieter Isheim, Austin J. Akey, Stephan Gerstl · 2017

An environmental transfer hub for multimodal atom probe tomography Open

Daniel E. Perea, Stephan Gerstl, Jackson Chin, Blake Hirschi, James Evans · 2017

Atom Probe Tomography Study of As‐Quenched Al–Mg–Si Alloys Open

Phillip Dumitraschkewitz, Stephan Gerstl, Peter J. Uggowitzer, Jörg F. Löffler, Stefan Pogatscher · 2016

This study deploys a new method to gain insight into the as‐quenched microstructure of Al–Mg–Si alloys using atom probe tomography (APT) as an imaging method. Here, diffusion of solutes during sample preparation and handling is suppressed …

The Nanolathe - a Dedicated Two-axis Positioner for Concentric Sample Rotation. Open

Andrew J. Sutherland‐Smith, Klaus Schock, Stephan Kleindiek, Stephan Gerstl · 2016

Journal Article The Nanolathe - a Dedicated Two-axis Positioner for Concentric Sample Rotation. Get access A J Smith, A J Smith Kleindiek Nanotechnik, Reutlingen, Germany Search for other works by this author on: Oxford Academic Google Sch…

Atom Probe Tomography Investigations of Modified Early Stage Clustering in Si-Containing Aluminum Alloys Open

Stefan Pogatscher, Stephan Gerstl, Jörg F. Löffler, Peter J. Uggowitzer · 2015

In this paper atom probe tomography is used to explore early stage clustering in aluminum alloys.Two novel concepts for a modication of clustering are discussed.Control of early stage clustering is welcome from an application point of view…

Methods in Creating, Transferring, & Measuring Cryogenic Samples for APT Open

Stephan Gerstl, Roger Wepf · 2015

ISSN:1431-9276

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